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40
LICENSE
40
LICENSE
@ -1,21 +1,21 @@
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|||||||
MIT License
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MIT License
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||||||
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||||||
Copyright (c) 2025 PDF转图片工具
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Copyright (c) 2025 PDF转图片工具
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||||||
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||||||
Permission is hereby granted, free of charge, to any person obtaining a copy
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Permission is hereby granted, free of charge, to any person obtaining a copy
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||||||
of this software and associated documentation files (the "Software"), to deal
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of this software and associated documentation files (the "Software"), to deal
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||||||
in the Software without restriction, including without limitation the rights
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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||||||
copies of the Software, and to permit persons to whom the Software is
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copies of the Software, and to permit persons to whom the Software is
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||||||
furnished to do so, subject to the following conditions:
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furnished to do so, subject to the following conditions:
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||||||
|
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||||||
The above copyright notice and this permission notice shall be included in all
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The above copyright notice and this permission notice shall be included in all
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||||||
copies or substantial portions of the Software.
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copies or substantial portions of the Software.
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||||||
|
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||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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||||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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||||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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||||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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||||||
SOFTWARE.
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SOFTWARE.
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||||||
154
README.md
154
README.md
@ -1,79 +1,77 @@
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# PDF转换工具
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# PDF转图片工具
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一个纯前端的PDF转换工具，支持将PDF转换为图片或Word文档，所有处理均在浏览器中完成，无需上传文件到服务器，保证用户数据安全。
|
一个纯前端的PDF转图片工具，所有处理均在浏览器中完成，无需上传文件到服务器，保证用户数据安全。
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|
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## 功能特点
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## 功能特点
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||||||
|
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- 🔒 **安全可靠**：所有处理均在本地浏览器中完成，无需上传文件到服务器
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- 🔒 **安全可靠**：所有处理均在本地浏览器中完成，无需上传文件到服务器
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||||||
- 🚀 **高效转换**：快速将PDF文件转换为高质量图片或Word文档
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- 🚀 **高效转换**：快速将PDF文件转换为高质量图片
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- 📱 **响应式设计**：适配各种设备屏幕
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- 📱 **响应式设计**：适配各种设备屏幕
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- 🖼️ **多种导出选项**：支持导出单页图片、合并为单张长图或转换为Word文档
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- 🖼️ **多种导出选项**：支持导出单页图片或合并为单张长图
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- 🔍 **实时预览**：转换前可预览PDF内容
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- 🔍 **实时预览**：转换前可预览PDF内容
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- 📦 **批量处理**：支持多页PDF一次性处理
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- 📦 **批量处理**：支持多页PDF一次性处理
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- 📄 **Word转换**：支持将PDF转换为可编辑的Word文档
|
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|
## 使用方法
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## 使用方法
|
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1. 打开网页应用
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1. 打开网页应用
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2. 拖放PDF文件到指定区域或点击"选择文件"按钮
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2. 拖放PDF文件到指定区域或点击"选择文件"按钮
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3. 等待PDF加载和预览生成
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3. 等待PDF加载和预览生成
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4. 选择导出选项（单页图片或合并为单张图片）
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4. 选择导出类型（图片或Word）和相关选项
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5. 点击"导出图片"按钮
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5. 点击"导出文件"按钮
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6. 下载生成的图片文件
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6. 下载生成的图片或Word文档
|
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|
## 本地部署
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## 本地部署
|
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1. 克隆本仓库
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1. 克隆本仓库
|
2. 确保`cssjs/js`目录下包含所有必要的JS库文件
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2. 确保`cssjs/js`目录下包含所有必要的JS库文件
|
3. 使用Web服务器（如Nginx、Apache等）提供静态文件服务
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3. 使用Web服务器（如Nginx、Apache等）提供静态文件服务
|
4. 访问index.html即可使用
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4. 访问index.html即可使用
|
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|
### NGINX 配置示例
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### NGINX 配置示例
|
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|
如果使用 NGINX 服务器，可以添加以下配置以支持 `.mjs` 文件：
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如果使用 NGINX 服务器，可以添加以下配置以支持 `.mjs` 文件：
|
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|
```
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```
|
nginx
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nginx
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types {
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types {
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# 其他 MIME 类型...
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# 其他 MIME 类型...
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text/javascript mjs;
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text/javascript mjs;
|
}
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}
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```
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```
|
## 浏览器兼容性
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## 浏览器兼容性
|
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|
本工具支持所有现代浏览器，包括：
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本工具支持所有现代浏览器，包括：
|
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|
- Chrome 60+
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- Chrome 60+
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- Firefox 60+
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- Firefox 60+
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- Safari 11+
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- Safari 11+
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- Edge 79+
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- Edge 79+
|
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|
## 隐私说明
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## 隐私说明
|
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|
- 所有文件处理均在本地浏览器中完成
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- 所有文件处理均在本地浏览器中完成
|
- 不会将您的 PDF 文件或生成的图片上传到任何服务器
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- 不会将您的 PDF 文件或生成的图片上传到任何服务器
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- 不会收集任何个人信息或使用情况数据
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- 不会收集任何个人信息或使用情况数据
|
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|
## 致谢
|
||||||
## 致谢
|
|
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|
- PDF.js
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- PDF.js
|
- JSZip
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- JSZip
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- FileSaver.js
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- FileSaver.js
|
- Bootstrap
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- Bootstrap
|
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||||||
|
本项目基于原始的PDF转图片工具进行了重构和改进，感谢[原项目](https://github.com/xxlllq/pdf2img)开发者提供的基础功能和灵感。
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本项目基于原始的PDF转图片工具进行了重构和改进，感谢[原项目](https://github.com/xxlllq/pdf2img)开发者提供的基础功能和灵感。
|
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|
## 技术栈
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## 技术栈
|
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|
- HTML5 / CSS3
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||||||
- HTML5 / CSS3
|
- JavaScript (ES6+)
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- JavaScript (ES6+)
|
- [PDF.js](https://mozilla.github.io/pdf.js/) - Mozilla的PDF渲染库
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||||||
- [PDF.js](https://mozilla.github.io/pdf.js/) - Mozilla的PDF渲染库
|
- [JSZip](https://stuk.github.io/jszip/) - 用于创建ZIP文件的JavaScript库
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||||||
- [JSZip](https://stuk.github.io/jszip/) - 用于创建ZIP文件的JavaScript库
|
- [FileSaver.js](https://github.com/eligrey/FileSaver.js/) - 客户端保存文件的解决方案
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- [FileSaver.js](https://github.com/eligrey/FileSaver.js/) - 客户端保存文件的解决方案
|
- [Bootstrap 5](https://getbootstrap.com/) - 用于UI组件和响应式设计
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- [docx](https://github.com/dolanmiu/docx) - 用于生成Word文档的JavaScript库
|
- [Bootstrap Icons](https://icons.getbootstrap.com/) - 图标库
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- [Bootstrap 5](https://getbootstrap.com/) - 用于UI组件和响应式设计
|
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- [Bootstrap Icons](https://icons.getbootstrap.com/) - 图标库
|
## 许可证
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|
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## 许可证
|
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||||||
|
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||||||
本项目采用MIT许可证，详情请查看[LICENSE](LICENSE)文件。
|
本项目采用MIT许可证，详情请查看[LICENSE](LICENSE)文件。
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@ -1,225 +1,211 @@
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:root {
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:root {
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--primary-color: #4361ee;
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--primary-color: #4361ee;
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--secondary-color: #3f37c9;
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--secondary-color: #3f37c9;
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--accent-color: #4895ef;
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--accent-color: #4895ef;
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--light-color: #f8f9fa;
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--light-color: #f8f9fa;
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--dark-color: #212529;
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--dark-color: #212529;
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}
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}
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body {
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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background-color: #f5f7fa;
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background-color: #f5f7fa;
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color: var(--dark-color);
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color: var(--dark-color);
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line-height: 1.6;
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line-height: 1.6;
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}
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}
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.app-container {
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.app-container {
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max-width: 1200px;
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max-width: 1200px;
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margin: 0 auto;
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margin: 0 auto;
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padding: 2rem 1rem;
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padding: 2rem 1rem;
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}
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}
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.header {
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.header {
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text-align: center;
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text-align: center;
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margin-bottom: 2rem;
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margin-bottom: 2rem;
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}
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}
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.header h1 {
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.header h1 {
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font-weight: 700;
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font-weight: 700;
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color: var(--primary-color);
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color: var(--primary-color);
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margin-bottom: 0.5rem;
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margin-bottom: 0.5rem;
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}
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}
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.header p {
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.header p {
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color: #6c757d;
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color: #6c757d;
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font-size: 1.1rem;
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font-size: 1.1rem;
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}
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}
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.card {
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.card {
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border-radius: 12px;
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border-radius: 12px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
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border: none;
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border: none;
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overflow: hidden;
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overflow: hidden;
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transition: transform 0.3s ease;
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transition: transform 0.3s ease;
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}
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}
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.card:hover {
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.card:hover {
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transform: translateY(-5px);
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transform: translateY(-5px);
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}
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}
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.card-header {
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.card-header {
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background-color: var(--primary-color);
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background-color: var(--primary-color);
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color: white;
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color: white;
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font-weight: 600;
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font-weight: 600;
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padding: 1rem;
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padding: 1rem;
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}
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}
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.upload-area {
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.upload-area {
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border: 2px dashed #dee2e6;
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border: 2px dashed #dee2e6;
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border-radius: 8px;
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border-radius: 8px;
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padding: 3rem 2rem;
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padding: 3rem 2rem;
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text-align: center;
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text-align: center;
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cursor: pointer;
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cursor: pointer;
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transition: all 0.3s ease;
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transition: all 0.3s ease;
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background-color: #f8f9fa;
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background-color: #f8f9fa;
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}
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}
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||||||
|
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.upload-area:hover, .upload-area.dragover {
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.upload-area:hover, .upload-area.dragover {
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border-color: var(--primary-color);
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border-color: var(--primary-color);
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||||||
background-color: rgba(67, 97, 238, 0.05);
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background-color: rgba(67, 97, 238, 0.05);
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}
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}
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|
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.upload-icon {
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.upload-icon {
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font-size: 3rem;
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font-size: 3rem;
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||||||
color: var(--primary-color);
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color: var(--primary-color);
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||||||
margin-bottom: 1rem;
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margin-bottom: 1rem;
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||||||
}
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}
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||||||
|
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.btn-primary {
|
.btn-primary {
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||||||
background-color: var(--primary-color);
|
background-color: var(--primary-color);
|
||||||
border-color: var(--primary-color);
|
border-color: var(--primary-color);
|
||||||
}
|
}
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||||||
|
|
||||||
.btn-primary:hover {
|
.btn-primary:hover {
|
||||||
background-color: var(--secondary-color);
|
background-color: var(--secondary-color);
|
||||||
border-color: var(--secondary-color);
|
border-color: var(--secondary-color);
|
||||||
}
|
}
|
||||||
|
|
||||||
.btn-outline-primary {
|
.btn-outline-primary {
|
||||||
color: var(--primary-color);
|
color: var(--primary-color);
|
||||||
border-color: var(--primary-color);
|
border-color: var(--primary-color);
|
||||||
}
|
}
|
||||||
|
|
||||||
.btn-outline-primary:hover {
|
.btn-outline-primary:hover {
|
||||||
background-color: var(--primary-color);
|
background-color: var(--primary-color);
|
||||||
color: white;
|
color: white;
|
||||||
}
|
}
|
||||||
|
|
||||||
.progress {
|
.progress {
|
||||||
height: 10px;
|
height: 10px;
|
||||||
border-radius: 5px;
|
border-radius: 5px;
|
||||||
}
|
}
|
||||||
|
|
||||||
.pdf-info {
|
.pdf-info {
|
||||||
display: flex;
|
display: flex;
|
||||||
justify-content: space-between;
|
justify-content: space-between;
|
||||||
margin-bottom: 1rem;
|
margin-bottom: 1rem;
|
||||||
}
|
}
|
||||||
|
|
||||||
.pdf-info-item {
|
.pdf-info-item {
|
||||||
text-align: center;
|
text-align: center;
|
||||||
padding: 0.5rem;
|
padding: 0.5rem;
|
||||||
background-color: #f8f9fa;
|
background-color: #f8f9fa;
|
||||||
border-radius: 8px;
|
border-radius: 8px;
|
||||||
flex: 1;
|
flex: 1;
|
||||||
margin: 0 0.5rem;
|
margin: 0 0.5rem;
|
||||||
}
|
}
|
||||||
|
|
||||||
.pdf-info-item .value {
|
.pdf-info-item .value {
|
||||||
font-size: 1.2rem;
|
font-size: 1.2rem;
|
||||||
font-weight: 600;
|
font-weight: 600;
|
||||||
color: var(--primary-color);
|
color: var(--primary-color);
|
||||||
}
|
}
|
||||||
|
|
||||||
.pdf-info-item .label {
|
.pdf-info-item .label {
|
||||||
font-size: 0.9rem;
|
font-size: 0.9rem;
|
||||||
color: #6c757d;
|
color: #6c757d;
|
||||||
}
|
}
|
||||||
|
|
||||||
.preview-container {
|
.preview-container {
|
||||||
margin-top: 2rem;
|
margin-top: 2rem;
|
||||||
}
|
}
|
||||||
|
|
||||||
.preview-item {
|
.preview-item {
|
||||||
margin-bottom: 2rem;
|
margin-bottom: 2rem;
|
||||||
position: relative;
|
position: relative;
|
||||||
}
|
}
|
||||||
|
|
||||||
.preview-item canvas {
|
.preview-item canvas {
|
||||||
width: 100%;
|
width: 100%;
|
||||||
border-radius: 8px;
|
border-radius: 8px;
|
||||||
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
|
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
|
||||||
}
|
}
|
||||||
|
|
||||||
.preview-item .page-number {
|
.preview-item .page-number {
|
||||||
position: absolute;
|
position: absolute;
|
||||||
top: 10px;
|
top: 10px;
|
||||||
right: 10px;
|
right: 10px;
|
||||||
background-color: rgba(0, 0, 0, 0.7);
|
background-color: rgba(0, 0, 0, 0.7);
|
||||||
color: white;
|
color: white;
|
||||||
padding: 0.25rem 0.5rem;
|
padding: 0.25rem 0.5rem;
|
||||||
border-radius: 4px;
|
border-radius: 4px;
|
||||||
font-size: 0.8rem;
|
font-size: 0.8rem;
|
||||||
}
|
}
|
||||||
|
|
||||||
.export-options {
|
.export-options {
|
||||||
margin-top: 1rem;
|
margin-top: 1rem;
|
||||||
}
|
display: flex;
|
||||||
|
align-items: center;
|
||||||
.export-options .form-check {
|
}
|
||||||
margin-right: 1.5rem;
|
|
||||||
margin-bottom: 0.5rem;
|
.export-options .form-check {
|
||||||
}
|
margin-right: 1.5rem;
|
||||||
|
}
|
||||||
.export-type-selector {
|
|
||||||
margin-bottom: 1rem;
|
footer {
|
||||||
}
|
text-align: center;
|
||||||
|
margin-top: 3rem;
|
||||||
.btn-outline-primary {
|
padding-top: 1rem;
|
||||||
color: var(--primary-color);
|
border-top: 1px solid #dee2e6;
|
||||||
border-color: var(--primary-color);
|
color: #6c757d;
|
||||||
}
|
}
|
||||||
|
|
||||||
.btn-outline-primary:hover, .btn-check:checked + .btn-outline-primary {
|
@media (max-width: 768px) {
|
||||||
background-color: var(--primary-color);
|
.pdf-info {
|
||||||
border-color: var(--primary-color);
|
flex-direction: column;
|
||||||
color: white;
|
}
|
||||||
}
|
|
||||||
|
.pdf-info-item {
|
||||||
footer {
|
margin: 0.5rem 0;
|
||||||
text-align: center;
|
}
|
||||||
margin-top: 3rem;
|
|
||||||
padding-top: 1rem;
|
.export-options {
|
||||||
border-top: 1px solid #dee2e6;
|
flex-direction: column;
|
||||||
color: #6c757d;
|
align-items: flex-start;
|
||||||
}
|
}
|
||||||
|
|
||||||
@media (max-width: 768px) {
|
.export-options .form-check {
|
||||||
.pdf-info {
|
margin-bottom: 0.5rem;
|
||||||
flex-direction: column;
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
.pdf-info-item {
|
/* 加载动画 */
|
||||||
margin: 0.5rem 0;
|
.spinner {
|
||||||
}
|
width: 40px;
|
||||||
|
height: 40px;
|
||||||
.export-options {
|
margin: 100px auto;
|
||||||
flex-direction: column;
|
background-color: var(--primary-color);
|
||||||
align-items: flex-start;
|
border-radius: 100%;
|
||||||
}
|
-webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
|
||||||
|
animation: sk-scaleout 1.0s infinite ease-in-out;
|
||||||
.export-options .form-check {
|
}
|
||||||
margin-bottom: 0.5rem;
|
|
||||||
}
|
@-webkit-keyframes sk-scaleout {
|
||||||
}
|
0% { -webkit-transform: scale(0) }
|
||||||
|
100% { -webkit-transform: scale(1.0); opacity: 0; }
|
||||||
/* 加载动画 */
|
}
|
||||||
.spinner {
|
|
||||||
width: 40px;
|
@keyframes sk-scaleout {
|
||||||
height: 40px;
|
0% { transform: scale(0); -webkit-transform: scale(0); }
|
||||||
margin: 100px auto;
|
100% { transform: scale(1.0); -webkit-transform: scale(1.0); opacity: 0; }
|
||||||
background-color: var(--primary-color);
|
|
||||||
border-radius: 100%;
|
|
||||||
-webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
|
|
||||||
animation: sk-scaleout 1.0s infinite ease-in-out;
|
|
||||||
}
|
|
||||||
|
|
||||||
@-webkit-keyframes sk-scaleout {
|
|
||||||
0% { -webkit-transform: scale(0) }
|
|
||||||
100% { -webkit-transform: scale(1.0); opacity: 0; }
|
|
||||||
}
|
|
||||||
|
|
||||||
@keyframes sk-scaleout {
|
|
||||||
0% { transform: scale(0); -webkit-transform: scale(0); }
|
|
||||||
100% { transform: scale(1.0); -webkit-transform: scale(1.0); opacity: 0; }
|
|
||||||
}
|
}
|
||||||
@ -1,19 +0,0 @@
|
|||||||
// 等待 docx.min.js 加载完成
|
|
||||||
const waitForDocx = new Promise((resolve) => {
|
|
||||||
const checkDocx = () => {
|
|
||||||
if (window.docx && window.docx.Document) {
|
|
||||||
resolve();
|
|
||||||
} else {
|
|
||||||
setTimeout(checkDocx, 100);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
checkDocx();
|
|
||||||
});
|
|
||||||
|
|
||||||
// 导出 docx 库的所有必要组件
|
|
||||||
export const Document = waitForDocx.then(() => window.docx.Document);
|
|
||||||
export const Paragraph = waitForDocx.then(() => window.docx.Paragraph);
|
|
||||||
export const ImageRun = waitForDocx.then(() => window.docx.ImageRun);
|
|
||||||
export const HeadingLevel = waitForDocx.then(() => window.docx.HeadingLevel);
|
|
||||||
export const AlignmentType = waitForDocx.then(() => window.docx.AlignmentType);
|
|
||||||
export const Packer = waitForDocx.then(() => window.docx.Packer);
|
|
||||||
21620
cssjs/js/docx.min.js
vendored
21620
cssjs/js/docx.min.js
vendored
File diff suppressed because it is too large
Load Diff
928
cssjs/js/main.js
928
cssjs/js/main.js
@ -1,552 +1,378 @@
|
|||||||
// 导入依赖库
|
// 导入依赖库
|
||||||
import * as pdfjsLib from './pdf.mjs';
|
import * as pdfjsLib from './pdf.mjs';
|
||||||
import JSZip from './jszip.min.js';
|
import JSZip from './jszip.min.js';
|
||||||
import * as docx from './docx.esm.js';
|
|
||||||
|
// 设置PDF.js worker路径
|
||||||
// 设置PDF.js worker路径
|
pdfjsLib.GlobalWorkerOptions.workerSrc = 'cssjs/js/pdf.worker.mjs';
|
||||||
pdfjsLib.GlobalWorkerOptions.workerSrc = 'cssjs/js/pdf.worker.mjs';
|
|
||||||
|
// 全局变量
|
||||||
// 全局变量
|
let pdfDocument = null;
|
||||||
let pdfDocument = null;
|
let pdfFile = null;
|
||||||
let pdfFile = null;
|
let renderedPages = [];
|
||||||
let renderedPages = [];
|
|
||||||
|
// DOM元素
|
||||||
// DOM元素
|
const uploadArea = document.getElementById('upload-area');
|
||||||
const uploadArea = document.getElementById('upload-area');
|
const pdfFileInput = document.getElementById('pdf-file-input');
|
||||||
const pdfFileInput = document.getElementById('pdf-file-input');
|
const selectFileBtn = document.getElementById('select-file-btn');
|
||||||
const selectFileBtn = document.getElementById('select-file-btn');
|
const loadingContainer = document.getElementById('loading-container');
|
||||||
const loadingContainer = document.getElementById('loading-container');
|
const pdfInfoContainer = document.getElementById('pdf-info-container');
|
||||||
const pdfInfoContainer = document.getElementById('pdf-info-container');
|
const previewContainer = document.getElementById('preview-container');
|
||||||
const previewContainer = document.getElementById('preview-container');
|
const previewItems = document.getElementById('preview-items');
|
||||||
const previewItems = document.getElementById('preview-items');
|
const exportBtn = document.getElementById('export-btn');
|
||||||
const exportBtn = document.getElementById('export-btn');
|
const combinePagesSwitch = document.getElementById('combine-pages-switch');
|
||||||
const combinePagesSwitch = document.getElementById('combine-pages-switch');
|
const highQualitySwitch = document.getElementById('high-quality-switch');
|
||||||
const highQualitySwitch = document.getElementById('high-quality-switch');
|
|
||||||
const preserveLayoutSwitch = document.getElementById('preserve-layout-switch');
|
// PDF信息显示元素
|
||||||
const exportImageRadio = document.getElementById('export-image');
|
const pdfNameValue = document.getElementById('pdf-name-value');
|
||||||
const exportWordRadio = document.getElementById('export-word');
|
const pdfSizeValue = document.getElementById('pdf-size-value');
|
||||||
const imageOptions = document.getElementById('image-options');
|
const pdfPagesValue = document.getElementById('pdf-pages-value');
|
||||||
const wordOptions = document.getElementById('word-options');
|
|
||||||
|
// 事件监听器
|
||||||
// PDF信息显示元素
|
document.addEventListener('DOMContentLoaded', function() {
|
||||||
const pdfNameValue = document.getElementById('pdf-name-value');
|
// 初始化事件监听
|
||||||
const pdfSizeValue = document.getElementById('pdf-size-value');
|
initEventListeners();
|
||||||
const pdfPagesValue = document.getElementById('pdf-pages-value');
|
});
|
||||||
|
|
||||||
// 事件监听器
|
// 初始化事件监听器
|
||||||
document.addEventListener('DOMContentLoaded', function() {
|
function initEventListeners() {
|
||||||
// 初始化事件监听
|
selectFileBtn.addEventListener('click', () => pdfFileInput.click());
|
||||||
initEventListeners();
|
pdfFileInput.addEventListener('change', handleFileSelect);
|
||||||
});
|
exportBtn.addEventListener('click', exportImages);
|
||||||
|
|
||||||
// 初始化事件监听器
|
// 拖放功能
|
||||||
function initEventListeners() {
|
uploadArea.addEventListener('dragover', (e) => {
|
||||||
selectFileBtn.addEventListener('click', () => pdfFileInput.click());
|
e.preventDefault();
|
||||||
pdfFileInput.addEventListener('change', handleFileSelect);
|
uploadArea.classList.add('dragover');
|
||||||
exportBtn.addEventListener('click', handleExport);
|
});
|
||||||
|
|
||||||
// 导出类型切换
|
uploadArea.addEventListener('dragleave', () => {
|
||||||
exportImageRadio.addEventListener('change', updateExportOptions);
|
uploadArea.classList.remove('dragover');
|
||||||
exportWordRadio.addEventListener('change', updateExportOptions);
|
});
|
||||||
|
|
||||||
// 拖放功能
|
uploadArea.addEventListener('drop', (e) => {
|
||||||
uploadArea.addEventListener('dragover', (e) => {
|
e.preventDefault();
|
||||||
e.preventDefault();
|
uploadArea.classList.remove('dragover');
|
||||||
uploadArea.classList.add('dragover');
|
|
||||||
});
|
if (e.dataTransfer.files.length > 0) {
|
||||||
|
const file = e.dataTransfer.files[0];
|
||||||
uploadArea.addEventListener('dragleave', () => {
|
if (file.type === 'application/pdf') {
|
||||||
uploadArea.classList.remove('dragover');
|
pdfFileInput.files = e.dataTransfer.files;
|
||||||
});
|
handleFileSelect(e);
|
||||||
|
} else {
|
||||||
uploadArea.addEventListener('drop', (e) => {
|
showError('请选择PDF文件');
|
||||||
e.preventDefault();
|
}
|
||||||
uploadArea.classList.remove('dragover');
|
}
|
||||||
|
});
|
||||||
if (e.dataTransfer.files.length > 0) {
|
}
|
||||||
const file = e.dataTransfer.files[0];
|
|
||||||
if (file.type === 'application/pdf') {
|
// 其余函数保持不变
|
||||||
pdfFileInput.files = e.dataTransfer.files;
|
// ...
|
||||||
handleFileSelect(e);
|
|
||||||
} else {
|
// 处理文件选择
|
||||||
showError('请选择PDF文件');
|
function handleFileSelect(e) {
|
||||||
}
|
const file = pdfFileInput.files[0];
|
||||||
}
|
|
||||||
});
|
if (!file) return;
|
||||||
}
|
|
||||||
|
if (file.type !== 'application/pdf') {
|
||||||
// 更新导出选项显示
|
showError('请选择PDF文件');
|
||||||
function updateExportOptions() {
|
return;
|
||||||
if (exportImageRadio.checked) {
|
}
|
||||||
imageOptions.style.display = 'block';
|
|
||||||
wordOptions.style.display = 'none';
|
if (file.size > 20 * 1024 * 1024) { // 20MB
|
||||||
} else {
|
showError('文件大小不能超过20MB');
|
||||||
imageOptions.style.display = 'none';
|
return;
|
||||||
wordOptions.style.display = 'block';
|
}
|
||||||
}
|
|
||||||
}
|
pdfFile = file;
|
||||||
|
|
||||||
// 处理导出按钮点击
|
// 显示加载状态
|
||||||
function handleExport() {
|
uploadArea.style.display = 'none';
|
||||||
if (!pdfDocument || renderedPages.length === 0) {
|
loadingContainer.style.display = 'block';
|
||||||
showError('没有可导出的内容');
|
previewContainer.style.display = 'none';
|
||||||
return;
|
pdfInfoContainer.style.display = 'none';
|
||||||
}
|
previewItems.innerHTML = '';
|
||||||
|
renderedPages = [];
|
||||||
if (exportImageRadio.checked) {
|
|
||||||
exportImages();
|
// 读取PDF文件
|
||||||
} else {
|
const reader = new FileReader();
|
||||||
exportWord();
|
reader.onload = function(event) {
|
||||||
}
|
const typedArray = new Uint8Array(event.target.result);
|
||||||
}
|
loadPdfFromData(typedArray);
|
||||||
|
};
|
||||||
// 处理文件选择
|
reader.readAsArrayBuffer(file);
|
||||||
function handleFileSelect(e) {
|
}
|
||||||
const file = pdfFileInput.files[0];
|
|
||||||
|
// 从ArrayBuffer加载PDF
|
||||||
if (!file) return;
|
function loadPdfFromData(data) {
|
||||||
|
pdfjsLib.getDocument({ data }).promise
|
||||||
if (file.type !== 'application/pdf') {
|
.then(pdf => {
|
||||||
showError('请选择PDF文件');
|
pdfDocument = pdf;
|
||||||
return;
|
|
||||||
}
|
// 更新PDF信息
|
||||||
|
pdfNameValue.textContent = pdfFile.name;
|
||||||
if (file.size > 20 * 1024 * 1024) { // 20MB
|
pdfSizeValue.textContent = formatFileSize(pdfFile.size);
|
||||||
showError('文件大小不能超过20MB');
|
pdfPagesValue.textContent = pdf.numPages;
|
||||||
return;
|
|
||||||
}
|
// 渲染预览
|
||||||
|
renderPdfPreview(pdf);
|
||||||
pdfFile = file;
|
})
|
||||||
|
.catch(error => {
|
||||||
// 显示加载状态
|
console.error('PDF加载错误:', error);
|
||||||
uploadArea.style.display = 'none';
|
showError('无法加载PDF文件，请确保文件未损坏');
|
||||||
loadingContainer.style.display = 'block';
|
resetUI();
|
||||||
previewContainer.style.display = 'none';
|
});
|
||||||
pdfInfoContainer.style.display = 'none';
|
}
|
||||||
previewItems.innerHTML = '';
|
|
||||||
renderedPages = [];
|
// 渲染PDF预览
|
||||||
|
function renderPdfPreview(pdf) {
|
||||||
// 读取PDF文件
|
const totalPages = pdf.numPages;
|
||||||
const reader = new FileReader();
|
let renderedCount = 0;
|
||||||
reader.onload = function(event) {
|
|
||||||
const typedArray = new Uint8Array(event.target.result);
|
// 更新加载文本
|
||||||
loadPdfFromData(typedArray);
|
document.getElementById('loading-text').textContent = `正在渲染预览 (0/${totalPages})`;
|
||||||
};
|
|
||||||
reader.readAsArrayBuffer(file);
|
// 为每一页创建预览
|
||||||
}
|
for (let pageNumber = 1; pageNumber <= totalPages; pageNumber++) {
|
||||||
|
pdf.getPage(pageNumber).then(page => {
|
||||||
// 从ArrayBuffer加载PDF
|
const scale = 0.5; // 预览缩放比例
|
||||||
function loadPdfFromData(data) {
|
const viewport = page.getViewport({ scale });
|
||||||
pdfjsLib.getDocument({ data }).promise
|
|
||||||
.then(pdf => {
|
// 创建canvas元素
|
||||||
pdfDocument = pdf;
|
const canvas = document.createElement('canvas');
|
||||||
|
const context = canvas.getContext('2d');
|
||||||
// 更新PDF信息
|
canvas.width = viewport.width;
|
||||||
pdfNameValue.textContent = pdfFile.name;
|
canvas.height = viewport.height;
|
||||||
pdfSizeValue.textContent = formatFileSize(pdfFile.size);
|
|
||||||
pdfPagesValue.textContent = pdf.numPages;
|
// 渲染PDF页面到canvas
|
||||||
|
const renderContext = {
|
||||||
// 渲染预览
|
canvasContext: context,
|
||||||
renderPdfPreview(pdf);
|
viewport: viewport
|
||||||
})
|
};
|
||||||
.catch(error => {
|
|
||||||
console.error('PDF加载错误:', error);
|
page.render(renderContext).promise.then(() => {
|
||||||
showError('无法加载PDF文件，请确保文件未损坏');
|
renderedCount++;
|
||||||
resetUI();
|
document.getElementById('loading-text').textContent = `正在渲染预览 (${renderedCount}/${totalPages})`;
|
||||||
});
|
|
||||||
}
|
// 存储渲染的页面
|
||||||
|
renderedPages[pageNumber - 1] = {
|
||||||
// 渲染PDF预览
|
pageNumber: pageNumber,
|
||||||
function renderPdfPreview(pdf) {
|
canvas: canvas,
|
||||||
const totalPages = pdf.numPages;
|
width: viewport.width,
|
||||||
let renderedCount = 0;
|
height: viewport.height
|
||||||
|
};
|
||||||
// 更新加载文本
|
|
||||||
document.getElementById('loading-text').textContent = `正在渲染预览 (0/${totalPages})`;
|
// 如果所有页面都已渲染，显示预览
|
||||||
|
if (renderedCount === totalPages) {
|
||||||
// 为每一页创建预览
|
displayPreviews();
|
||||||
for (let pageNumber = 1; pageNumber <= totalPages; pageNumber++) {
|
}
|
||||||
pdf.getPage(pageNumber).then(page => {
|
});
|
||||||
const scale = 0.5; // 预览缩放比例
|
});
|
||||||
const viewport = page.getViewport({ scale });
|
}
|
||||||
|
}
|
||||||
// 创建canvas元素
|
|
||||||
const canvas = document.createElement('canvas');
|
// 显示预览
|
||||||
const context = canvas.getContext('2d');
|
function displayPreviews() {
|
||||||
canvas.width = viewport.width;
|
// 按页码排序
|
||||||
canvas.height = viewport.height;
|
renderedPages.sort((a, b) => a.pageNumber - b.pageNumber);
|
||||||
|
|
||||||
// 渲染PDF页面到canvas
|
// 清空预览容器
|
||||||
const renderContext = {
|
previewItems.innerHTML = '';
|
||||||
canvasContext: context,
|
|
||||||
viewport: viewport
|
// 添加每一页的预览
|
||||||
};
|
renderedPages.forEach(page => {
|
||||||
|
const colDiv = document.createElement('div');
|
||||||
page.render(renderContext).promise.then(() => {
|
colDiv.className = 'col-md-6 col-lg-4 preview-item';
|
||||||
renderedCount++;
|
|
||||||
document.getElementById('loading-text').textContent = `正在渲染预览 (${renderedCount}/${totalPages})`;
|
const pageNumberDiv = document.createElement('div');
|
||||||
|
pageNumberDiv.className = 'page-number';
|
||||||
// 存储渲染的页面
|
pageNumberDiv.textContent = `第 ${page.pageNumber} 页`;
|
||||||
renderedPages[pageNumber - 1] = {
|
|
||||||
pageNumber: pageNumber,
|
// 克隆canvas以避免原始canvas被修改
|
||||||
canvas: canvas,
|
const displayCanvas = document.createElement('canvas');
|
||||||
width: viewport.width,
|
displayCanvas.width = page.canvas.width;
|
||||||
height: viewport.height
|
displayCanvas.height = page.canvas.height;
|
||||||
};
|
const displayContext = displayCanvas.getContext('2d');
|
||||||
|
displayContext.drawImage(page.canvas, 0, 0);
|
||||||
// 如果所有页面都已渲染，显示预览
|
|
||||||
if (renderedCount === totalPages) {
|
colDiv.appendChild(displayCanvas);
|
||||||
displayPreviews();
|
colDiv.appendChild(pageNumberDiv);
|
||||||
}
|
previewItems.appendChild(colDiv);
|
||||||
});
|
});
|
||||||
});
|
|
||||||
}
|
// 显示预览和控制面板
|
||||||
}
|
loadingContainer.style.display = 'none';
|
||||||
|
pdfInfoContainer.style.display = 'block';
|
||||||
// 显示预览
|
previewContainer.style.display = 'block';
|
||||||
function displayPreviews() {
|
}
|
||||||
// 按页码排序
|
|
||||||
renderedPages.sort((a, b) => a.pageNumber - b.pageNumber);
|
// 导出图片
|
||||||
|
function exportImages() {
|
||||||
// 清空预览容器
|
if (!pdfDocument || renderedPages.length === 0) {
|
||||||
previewItems.innerHTML = '';
|
showError('没有可导出的内容');
|
||||||
|
return;
|
||||||
// 添加每一页的预览
|
}
|
||||||
renderedPages.forEach(page => {
|
|
||||||
const colDiv = document.createElement('div');
|
const combinePages = combinePagesSwitch.checked;
|
||||||
colDiv.className = 'col-md-6 col-lg-4 preview-item';
|
const highQuality = highQualitySwitch.checked;
|
||||||
|
const scale = highQuality ? 2.0 : 1.0;
|
||||||
const pageNumberDiv = document.createElement('div');
|
|
||||||
pageNumberDiv.className = 'page-number';
|
// 显示加载状态
|
||||||
pageNumberDiv.textContent = `第 ${page.pageNumber} 页`;
|
loadingContainer.style.display = 'block';
|
||||||
|
document.getElementById('loading-text').textContent = '正在准备导出...';
|
||||||
// 克隆canvas以避免原始canvas被修改
|
|
||||||
const displayCanvas = document.createElement('canvas');
|
if (combinePages) {
|
||||||
displayCanvas.width = page.canvas.width;
|
// 合并为单张图片
|
||||||
displayCanvas.height = page.canvas.height;
|
exportCombinedImage(scale);
|
||||||
const displayContext = displayCanvas.getContext('2d');
|
} else {
|
||||||
displayContext.drawImage(page.canvas, 0, 0);
|
// 导出为多张图片
|
||||||
|
exportMultipleImages(scale);
|
||||||
colDiv.appendChild(displayCanvas);
|
}
|
||||||
colDiv.appendChild(pageNumberDiv);
|
}
|
||||||
previewItems.appendChild(colDiv);
|
|
||||||
});
|
// 导出合并的单张图片
|
||||||
|
function exportCombinedImage(scale) {
|
||||||
// 显示预览和控制面板
|
// 计算合并后的图片尺寸
|
||||||
loadingContainer.style.display = 'none';
|
let totalHeight = 0;
|
||||||
pdfInfoContainer.style.display = 'block';
|
let maxWidth = 0;
|
||||||
previewContainer.style.display = 'block';
|
|
||||||
}
|
renderedPages.forEach(page => {
|
||||||
|
totalHeight += page.height * (scale / 0.5);
|
||||||
// 导出图片
|
maxWidth = Math.max(maxWidth, page.width * (scale / 0.5));
|
||||||
function exportImages() {
|
});
|
||||||
|
|
||||||
const combinePages = combinePagesSwitch.checked;
|
// 创建合并的canvas
|
||||||
const highQuality = highQualitySwitch.checked;
|
const combinedCanvas = document.createElement('canvas');
|
||||||
const scale = highQuality ? 2.0 : 1.0;
|
combinedCanvas.width = maxWidth;
|
||||||
|
combinedCanvas.height = totalHeight;
|
||||||
// 显示加载状态
|
const combinedContext = combinedCanvas.getContext('2d');
|
||||||
loadingContainer.style.display = 'block';
|
|
||||||
document.getElementById('loading-text').textContent = '正在准备导出...';
|
// 填充白色背景
|
||||||
|
combinedContext.fillStyle = '#FFFFFF';
|
||||||
if (combinePages) {
|
combinedContext.fillRect(0, 0, combinedCanvas.width, combinedCanvas.height);
|
||||||
// 合并为单张图片
|
|
||||||
exportCombinedImage(scale);
|
// 重新渲染每一页到合并的canvas
|
||||||
} else {
|
let currentY = 0;
|
||||||
// 导出为多张图片
|
let renderedCount = 0;
|
||||||
exportMultipleImages(scale);
|
|
||||||
}
|
const renderNextPage = (index) => {
|
||||||
}
|
if (index >= renderedPages.length) {
|
||||||
|
// 所有页面都已渲染，导出图片
|
||||||
// 导出合并的单张图片
|
combinedCanvas.toBlob(blob => {
|
||||||
function exportCombinedImage(scale) {
|
saveAs(blob, `${pdfFile.name.replace('.pdf', '')}_combined.png`);
|
||||||
// 计算合并后的图片尺寸
|
loadingContainer.style.display = 'none';
|
||||||
let totalHeight = 0;
|
}, 'image/png');
|
||||||
let maxWidth = 0;
|
return;
|
||||||
|
}
|
||||||
renderedPages.forEach(page => {
|
|
||||||
totalHeight += page.height * (scale / 0.5);
|
const page = renderedPages[index];
|
||||||
maxWidth = Math.max(maxWidth, page.width * (scale / 0.5));
|
|
||||||
});
|
// 更新加载文本
|
||||||
|
document.getElementById('loading-text').textContent = `正在合并页面 (${index + 1}/${renderedPages.length})`;
|
||||||
// 创建合并的canvas
|
|
||||||
const combinedCanvas = document.createElement('canvas');
|
// 获取原始页面
|
||||||
combinedCanvas.width = maxWidth;
|
pdfDocument.getPage(page.pageNumber).then(pdfPage => {
|
||||||
combinedCanvas.height = totalHeight;
|
const viewport = pdfPage.getViewport({ scale });
|
||||||
const combinedContext = combinedCanvas.getContext('2d');
|
|
||||||
|
// 创建临时canvas
|
||||||
// 填充白色背景
|
const tempCanvas = document.createElement('canvas');
|
||||||
combinedContext.fillStyle = '#FFFFFF';
|
tempCanvas.width = viewport.width;
|
||||||
combinedContext.fillRect(0, 0, combinedCanvas.width, combinedCanvas.height);
|
tempCanvas.height = viewport.height;
|
||||||
|
const tempContext = tempCanvas.getContext('2d');
|
||||||
// 重新渲染每一页到合并的canvas
|
|
||||||
let currentY = 0;
|
// 渲染到临时canvas
|
||||||
let renderedCount = 0;
|
const renderContext = {
|
||||||
|
canvasContext: tempContext,
|
||||||
const renderNextPage = (index) => {
|
viewport: viewport
|
||||||
if (index >= renderedPages.length) {
|
};
|
||||||
// 所有页面都已渲染，导出图片
|
|
||||||
combinedCanvas.toBlob(blob => {
|
pdfPage.render(renderContext).promise.then(() => {
|
||||||
saveAs(blob, `${pdfFile.name.replace('.pdf', '')}_combined.png`);
|
// 将临时canvas的内容绘制到合并的canvas
|
||||||
loadingContainer.style.display = 'none';
|
const x = (maxWidth - viewport.width) / 2; // 居中
|
||||||
}, 'image/png');
|
combinedContext.drawImage(tempCanvas, x, currentY);
|
||||||
return;
|
|
||||||
}
|
// 更新Y坐标
|
||||||
|
currentY += viewport.height;
|
||||||
const page = renderedPages[index];
|
|
||||||
|
// 渲染下一页
|
||||||
// 更新加载文本
|
renderNextPage(index + 1);
|
||||||
document.getElementById('loading-text').textContent = `正在合并页面 (${index + 1}/${renderedPages.length})`;
|
});
|
||||||
|
});
|
||||||
// 获取原始页面
|
};
|
||||||
pdfDocument.getPage(page.pageNumber).then(pdfPage => {
|
|
||||||
const viewport = pdfPage.getViewport({ scale });
|
// 开始渲染第一页
|
||||||
|
renderNextPage(0);
|
||||||
// 创建临时canvas
|
}
|
||||||
const tempCanvas = document.createElement('canvas');
|
|
||||||
tempCanvas.width = viewport.width;
|
// 导出多张图片
|
||||||
tempCanvas.height = viewport.height;
|
function exportMultipleImages(scale) {
|
||||||
const tempContext = tempCanvas.getContext('2d');
|
const zip = new JSZip();
|
||||||
|
const folder = zip.folder("images");
|
||||||
// 渲染到临时canvas
|
let processedCount = 0;
|
||||||
const renderContext = {
|
|
||||||
canvasContext: tempContext,
|
// 更新加载文本
|
||||||
viewport: viewport
|
document.getElementById('loading-text').textContent = `正在导出图片 (0/${renderedPages.length})`;
|
||||||
};
|
|
||||||
|
// 处理每一页
|
||||||
pdfPage.render(renderContext).promise.then(() => {
|
renderedPages.forEach((page, index) => {
|
||||||
// 将临时canvas的内容绘制到合并的canvas
|
// 获取原始页面
|
||||||
const x = (maxWidth - viewport.width) / 2; // 居中
|
pdfDocument.getPage(page.pageNumber).then(pdfPage => {
|
||||||
combinedContext.drawImage(tempCanvas, x, currentY);
|
const viewport = pdfPage.getViewport({ scale });
|
||||||
|
|
||||||
// 更新Y坐标
|
// 创建canvas
|
||||||
currentY += viewport.height;
|
const canvas = document.createElement('canvas');
|
||||||
|
canvas.width = viewport.width;
|
||||||
// 渲染下一页
|
canvas.height = viewport.height;
|
||||||
renderNextPage(index + 1);
|
const context = canvas.getContext('2d');
|
||||||
});
|
|
||||||
});
|
// 填充白色背景
|
||||||
};
|
context.fillStyle = '#FFFFFF';
|
||||||
|
context.fillRect(0, 0, canvas.width, canvas.height);
|
||||||
// 开始渲染第一页
|
|
||||||
renderNextPage(0);
|
// 渲染PDF页面到canvas
|
||||||
}
|
const renderContext = {
|
||||||
|
canvasContext: context,
|
||||||
// 导出多张图片
|
viewport: viewport
|
||||||
function exportMultipleImages(scale) {
|
};
|
||||||
const zip = new JSZip();
|
|
||||||
const folder = zip.folder("images");
|
pdfPage.render(renderContext).promise.then(() => {
|
||||||
let processedCount = 0;
|
// 将canvas转换为blob
|
||||||
|
canvas.toBlob(blob => {
|
||||||
// 更新加载文本
|
// 添加到zip
|
||||||
document.getElementById('loading-text').textContent = `正在导出图片 (0/${renderedPages.length})`;
|
folder.file(`page_${page.pageNumber}.png`, blob);
|
||||||
|
|
||||||
// 处理每一页
|
processedCount++;
|
||||||
renderedPages.forEach((page, index) => {
|
document.getElementById('loading-text').textContent = `正在导出图片 (${processedCount}/${renderedPages.length})`;
|
||||||
// 获取原始页面
|
|
||||||
pdfDocument.getPage(page.pageNumber).then(pdfPage => {
|
// 如果所有页面都已处理，生成并下载zip
|
||||||
const viewport = pdfPage.getViewport({ scale });
|
if (processedCount === renderedPages.length) {
|
||||||
|
// 生成并下载zip文件
|
||||||
// 创建canvas
|
zip.generateAsync({ type: 'blob' }).then(content => {
|
||||||
const canvas = document.createElement('canvas');
|
saveAs(content, `${pdfFile.name.replace('.pdf', '')}_images.zip`);
|
||||||
canvas.width = viewport.width;
|
loadingContainer.style.display = 'none';
|
||||||
canvas.height = viewport.height;
|
});
|
||||||
const context = canvas.getContext('2d');
|
}
|
||||||
|
}, 'image/png');
|
||||||
// 填充白色背景
|
});
|
||||||
context.fillStyle = '#FFFFFF';
|
});
|
||||||
context.fillRect(0, 0, canvas.width, canvas.height);
|
});
|
||||||
|
}
|
||||||
// 渲染PDF页面到canvas
|
|
||||||
const renderContext = {
|
// 辅助函数
|
||||||
canvasContext: context,
|
function formatFileSize(bytes) {
|
||||||
viewport: viewport
|
if (bytes < 1024) return bytes + ' B';
|
||||||
};
|
else if (bytes < 1048576) return (bytes / 1024).toFixed(2) + ' KB';
|
||||||
|
else return (bytes / 1048576).toFixed(2) + ' MB';
|
||||||
pdfPage.render(renderContext).promise.then(() => {
|
}
|
||||||
// 将canvas转换为blob
|
|
||||||
canvas.toBlob(blob => {
|
function showError(message) {
|
||||||
// 添加到zip
|
alert(message);
|
||||||
folder.file(`page_${page.pageNumber}.png`, blob);
|
}
|
||||||
|
|
||||||
processedCount++;
|
function resetUI() {
|
||||||
document.getElementById('loading-text').textContent = `正在导出图片 (${processedCount}/${renderedPages.length})`;
|
uploadArea.style.display = 'block';
|
||||||
|
loadingContainer.style.display = 'none';
|
||||||
// 如果所有页面都已处理，生成并下载zip
|
pdfInfoContainer.style.display = 'none';
|
||||||
if (processedCount === renderedPages.length) {
|
previewContainer.style.display = 'none';
|
||||||
// 生成并下载zip文件
|
pdfFileInput.value = '';
|
||||||
zip.generateAsync({ type: 'blob' }).then(content => {
|
|
||||||
saveAs(content, `${pdfFile.name.replace('.pdf', '')}_images.zip`);
|
|
||||||
loadingContainer.style.display = 'none';
|
|
||||||
});
|
|
||||||
}
|
|
||||||
}, 'image/png');
|
|
||||||
});
|
|
||||||
});
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
// 辅助函数
|
|
||||||
function formatFileSize(bytes) {
|
|
||||||
if (bytes < 1024) return bytes + ' B';
|
|
||||||
else if (bytes < 1048576) return (bytes / 1024).toFixed(2) + ' KB';
|
|
||||||
else return (bytes / 1048576).toFixed(2) + ' MB';
|
|
||||||
}
|
|
||||||
|
|
||||||
function showError(message) {
|
|
||||||
alert(message);
|
|
||||||
}
|
|
||||||
|
|
||||||
function resetUI() {
|
|
||||||
uploadArea.style.display = 'block';
|
|
||||||
loadingContainer.style.display = 'none';
|
|
||||||
pdfInfoContainer.style.display = 'none';
|
|
||||||
previewContainer.style.display = 'none';
|
|
||||||
pdfFileInput.value = '';
|
|
||||||
}
|
|
||||||
|
|
||||||
// 导出为Word文档
|
|
||||||
async function exportWord() {
|
|
||||||
// 显示加载状态
|
|
||||||
loadingContainer.style.display = 'block';
|
|
||||||
document.getElementById('loading-text').textContent = '正在准备导出Word文档...';
|
|
||||||
|
|
||||||
try {
|
|
||||||
// 等待 docx 组件加载完成
|
|
||||||
const Document = await docx.Document;
|
|
||||||
const Paragraph = await docx.Paragraph;
|
|
||||||
const ImageRun = await docx.ImageRun;
|
|
||||||
const HeadingLevel = await docx.HeadingLevel;
|
|
||||||
const AlignmentType = await docx.AlignmentType;
|
|
||||||
const Packer = await docx.Packer;
|
|
||||||
|
|
||||||
// 创建一个新的Word文档
|
|
||||||
const doc = new Document({
|
|
||||||
sections: [{
|
|
||||||
properties: {},
|
|
||||||
children: []
|
|
||||||
}]
|
|
||||||
});
|
|
||||||
|
|
||||||
const preserveLayout = preserveLayoutSwitch.checked;
|
|
||||||
let processedCount = 0;
|
|
||||||
|
|
||||||
// 处理每一页
|
|
||||||
for (let i = 0; i < renderedPages.length; i++) {
|
|
||||||
const page = renderedPages[i];
|
|
||||||
document.getElementById('loading-text').textContent = `正在处理第 ${i + 1}/${renderedPages.length} 页`;
|
|
||||||
|
|
||||||
// 获取页面文本内容
|
|
||||||
const textContent = await pdfDocument.getPage(page.pageNumber).then(pdfPage => {
|
|
||||||
return pdfPage.getTextContent();
|
|
||||||
});
|
|
||||||
|
|
||||||
// 如果保留布局，添加页面图像
|
|
||||||
if (preserveLayout) {
|
|
||||||
// 获取页面图像
|
|
||||||
const pdfPage = await pdfDocument.getPage(page.pageNumber);
|
|
||||||
const viewport = pdfPage.getViewport({ scale: 1.5 });
|
|
||||||
|
|
||||||
// 创建canvas
|
|
||||||
const canvas = document.createElement('canvas');
|
|
||||||
canvas.width = viewport.width;
|
|
||||||
canvas.height = viewport.height;
|
|
||||||
const context = canvas.getContext('2d');
|
|
||||||
|
|
||||||
// 填充白色背景
|
|
||||||
context.fillStyle = '#FFFFFF';
|
|
||||||
context.fillRect(0, 0, canvas.width, canvas.height);
|
|
||||||
|
|
||||||
// 渲染PDF页面到canvas
|
|
||||||
const renderContext = {
|
|
||||||
canvasContext: context,
|
|
||||||
viewport: viewport
|
|
||||||
};
|
|
||||||
|
|
||||||
await pdfPage.render(renderContext).promise;
|
|
||||||
|
|
||||||
// 将canvas转换为图像数据
|
|
||||||
const imageData = canvas.toDataURL('image/png');
|
|
||||||
const imageBase64 = imageData.split(',')[1];
|
|
||||||
|
|
||||||
// 将base64转换为Uint8Array
|
|
||||||
const binaryString = atob(imageBase64);
|
|
||||||
const bytes = new Uint8Array(binaryString.length);
|
|
||||||
for (let j = 0; j < binaryString.length; j++) {
|
|
||||||
bytes[j] = binaryString.charCodeAt(j);
|
|
||||||
}
|
|
||||||
|
|
||||||
// 确保数据是Buffer类型
|
|
||||||
const imageBuffer = Buffer.from(bytes);
|
|
||||||
|
|
||||||
// 添加图像到Word文档
|
|
||||||
doc.addSection({
|
|
||||||
properties: {},
|
|
||||||
children: [
|
|
||||||
new Paragraph({
|
|
||||||
children: [
|
|
||||||
new ImageRun({
|
|
||||||
data: imageBuffer,
|
|
||||||
transformation: {
|
|
||||||
width: 600,
|
|
||||||
height: 600 * (viewport.height / viewport.width)
|
|
||||||
}
|
|
||||||
})
|
|
||||||
]
|
|
||||||
}),
|
|
||||||
new Paragraph({
|
|
||||||
text: `第 ${page.pageNumber} 页`,
|
|
||||||
alignment: AlignmentType.CENTER
|
|
||||||
})
|
|
||||||
]
|
|
||||||
});
|
|
||||||
} else {
|
|
||||||
// 仅提取文本内容
|
|
||||||
let pageText = '';
|
|
||||||
let lastY = -1;
|
|
||||||
|
|
||||||
// 处理文本项
|
|
||||||
textContent.items.forEach(item => {
|
|
||||||
// 如果Y坐标变化，添加换行
|
|
||||||
if (lastY !== -1 && lastY !== item.transform[5]) {
|
|
||||||
pageText += '\n';
|
|
||||||
}
|
|
||||||
|
|
||||||
pageText += item.str;
|
|
||||||
lastY = item.transform[5];
|
|
||||||
});
|
|
||||||
|
|
||||||
// 添加文本到Word文档
|
|
||||||
doc.addSection({
|
|
||||||
properties: {},
|
|
||||||
children: [
|
|
||||||
new Paragraph({
|
|
||||||
text: `第 ${page.pageNumber} 页`,
|
|
||||||
heading: HeadingLevel.HEADING_1,
|
|
||||||
alignment: AlignmentType.CENTER
|
|
||||||
}),
|
|
||||||
new Paragraph({
|
|
||||||
text: pageText
|
|
||||||
})
|
|
||||||
]
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
processedCount++;
|
|
||||||
}
|
|
||||||
|
|
||||||
// 生成Word文档
|
|
||||||
document.getElementById('loading-text').textContent = '正在生成Word文档...';
|
|
||||||
const buffer = await Packer.toBlob(doc);
|
|
||||||
|
|
||||||
// 保存文件
|
|
||||||
saveAs(buffer, `${pdfFile.name.replace('.pdf', '')}.docx`);
|
|
||||||
|
|
||||||
// 隐藏加载状态
|
|
||||||
loadingContainer.style.display = 'none';
|
|
||||||
} catch (error) {
|
|
||||||
console.error('Word导出错误:', error);
|
|
||||||
showError('导出Word文档时出错');
|
|
||||||
loadingContainer.style.display = 'none';
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
64
index.html
64
index.html
@ -3,38 +3,21 @@
|
|||||||
<head>
|
<head>
|
||||||
<meta charset="utf-8" />
|
<meta charset="utf-8" />
|
||||||
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
|
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
|
||||||
<meta name="description" content="PDF转换工具 - 在浏览器中安全地将PDF转换为图片或Word文档" />
|
<meta name="description" content="PDF转图片工具 - 在浏览器中安全地将PDF转换为图片" />
|
||||||
<title>PDF转换工具</title>
|
<title>PDF转图片工具</title>
|
||||||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" />
|
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" />
|
||||||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
|
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
|
||||||
<link rel="stylesheet" href="cssjs/css/style.css" />
|
<link rel="stylesheet" href="cssjs/css/style.css" />
|
||||||
<link rel="shortcut icon" href="Pdf.svg">
|
<link rel="shortcut icon" href="Pdf.svg">
|
||||||
<!-- 先加载依赖库 -->
|
<!-- 先加载 FileSaver.js -->
|
||||||
<script>
|
|
||||||
// 添加完整的 Buffer polyfill
|
|
||||||
if (typeof window.Buffer === 'undefined') {
|
|
||||||
window.Buffer = {
|
|
||||||
from: function(data, encoding) {
|
|
||||||
if (typeof data === 'string') {
|
|
||||||
return new Uint8Array(data.split('').map(c => c.charCodeAt(0)));
|
|
||||||
}
|
|
||||||
return new Uint8Array(data);
|
|
||||||
},
|
|
||||||
isBuffer: function(obj) {
|
|
||||||
return obj instanceof Uint8Array;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
</script>
|
|
||||||
<script src="cssjs/js/docx.min.js"></script>
|
|
||||||
<script src="cssjs/js/FileSaver.min.js"></script>
|
<script src="cssjs/js/FileSaver.min.js"></script>
|
||||||
</head>
|
</head>
|
||||||
|
|
||||||
<body>
|
<body>
|
||||||
<div class="app-container">
|
<div class="app-container">
|
||||||
<div class="header">
|
<div class="header">
|
||||||
<h1>PDF转换工具</h1>
|
<h1>PDF转图片工具</h1>
|
||||||
<p>安全、高效地将PDF文件转换为高质量图片或Word文档，所有处理均在浏览器中完成</p>
|
<p>安全、高效地将PDF文件转换为高质量图片，所有处理均在浏览器中完成</p>
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<div class="card mb-4">
|
<div class="card mb-4">
|
||||||
@ -75,38 +58,19 @@
|
|||||||
</div>
|
</div>
|
||||||
|
|
||||||
<div class="export-options">
|
<div class="export-options">
|
||||||
<div class="export-type-selector mb-3">
|
<div class="form-check form-switch">
|
||||||
<div class="btn-group" role="group" aria-label="导出类型选择">
|
<input class="form-check-input" type="checkbox" id="combine-pages-switch">
|
||||||
<input type="radio" class="btn-check" name="export-type" id="export-image" autocomplete="off" checked>
|
<label class="form-check-label" for="combine-pages-switch">合并为单张图片</label>
|
||||||
<label class="btn btn-outline-primary" for="export-image"><i class="bi bi-file-earmark-image"></i> 导出为图片</label>
|
|
||||||
|
|
||||||
<input type="radio" class="btn-check" name="export-type" id="export-word" autocomplete="off">
|
|
||||||
<label class="btn btn-outline-primary" for="export-word"><i class="bi bi-file-earmark-word"></i> 导出为Word</label>
|
|
||||||
</div>
|
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<div id="image-options">
|
<div class="form-check form-switch">
|
||||||
<div class="form-check form-switch">
|
<input class="form-check-input" type="checkbox" id="high-quality-switch" checked>
|
||||||
<input class="form-check-input" type="checkbox" id="combine-pages-switch">
|
<label class="form-check-label" for="high-quality-switch">高质量输出</label>
|
||||||
<label class="form-check-label" for="combine-pages-switch">合并为单张图片</label>
|
|
||||||
</div>
|
|
||||||
|
|
||||||
<div class="form-check form-switch">
|
|
||||||
<input class="form-check-input" type="checkbox" id="high-quality-switch" checked>
|
|
||||||
<label class="form-check-label" for="high-quality-switch">高质量输出</label>
|
|
||||||
</div>
|
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<div id="word-options" style="display: none;">
|
<div class="ms-auto">
|
||||||
<div class="form-check form-switch">
|
|
||||||
<input class="form-check-input" type="checkbox" id="preserve-layout-switch" checked>
|
|
||||||
<label class="form-check-label" for="preserve-layout-switch">尽量保留原始布局</label>
|
|
||||||
</div>
|
|
||||||
</div>
|
|
||||||
|
|
||||||
<div class="ms-auto mt-3">
|
|
||||||
<button class="btn btn-primary" id="export-btn">
|
<button class="btn btn-primary" id="export-btn">
|
||||||
<i class="bi bi-download"></i> 导出文件
|
<i class="bi bi-download"></i> 导出图片
|
||||||
</button>
|
</button>
|
||||||
</div>
|
</div>
|
||||||
</div>
|
</div>
|
||||||
@ -120,7 +84,7 @@
|
|||||||
</div>
|
</div>
|
||||||
|
|
||||||
<footer>
|
<footer>
|
||||||
<p>© 2025 PDF转换工具 | <a href="https://ckk.photo8.site/Photo8/pdf2img" target="_blank">GitHub</a></p>
|
<p>© 2025 PDF转图片工具 | <a href="https://ckk.photo8.site/Photo8/pdf2img" target="_blank">GitHub</a></p>
|
||||||
</footer>
|
</footer>
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user