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pdf-editor-plugin

v1.2.5

Published

A PDF editor plugin for Vue and React projects with rich text editing capabilities

Readme

PDF Editor Plugin

一个PDF 编辑器插件,支持 Vue 2Vue 3React 18 项目。提供富文本编辑、图片替换、水印去除、自定义样式等功能。

✨ 功能特性

  • 📄 PDF 文件上传与解析 - 支持上传 PDF 文件并自动提取文本和图片内容
  • ✏️ 富文本编辑 - 基于 Quill.js 的强大编辑器
  • 🖼️ 图片替换 - 支持替换 PDF 中的图片
  • 💧 水印检测与去除 - 自动检测并移除 PDF 中的文字水印
  • 📤 PDF 导出下载 - 将编辑后的内容导出为 PDF 文件并自动下载
  • 🎨 自定义编辑区样式 - 通过参数指定编辑区域的宽高、背景色等
  • 📘 TypeScript 支持 - 完整的类型定义

📦 安装

npm install pdf-editor-plugin

🚀 快速开始

React 项目

import PdfEditor from "pdf-editor-plugin";
import "pdf-editor-plugin/style.css";

function App() {
  return (
    <PdfEditor
      editorStyle={{ width: "100%", height: "600px", background: "#1a1a2e" }}
      exportFileName="my-document"
      onContentChange={(data) => console.log(data.html)}
    />
  );
}

Vue 3 项目

<template>
  <PdfEditor
    :editor-style="{ width: '100%', height: '600px' }"
    export-file-name="my-document"
    @content-change="handleChange"
  />
</template>

<script setup>
import PdfEditor from "pdf-editor-plugin/vue3";
import "pdf-editor-plugin/style.css";
</script>

Vue 2 项目

<template>
  <PdfEditor @content-change="handleChange" />
</template>

<script>
import PdfEditor from "pdf-editor-plugin/vue2";
import "pdf-editor-plugin/style.css";

export default {
  components: { PdfEditor },
  methods: {
    handleChange({ html }) {
      console.log(html);
    },
  },
};
</script>

📋 导入方式

| 导入路径 | 框架 | 说明 | | ----------------------------- | ----- | --------------------------------- | | pdf-editor-plugin | React | 默认导出,包含 React 组件和核心类 | | pdf-editor-plugin/react | React | React 专用入口 | | pdf-editor-plugin/vue3 | Vue 3 | Vue 3 专用入口 | | pdf-editor-plugin/vue2 | Vue 2 | Vue 2 专用入口 | | pdf-editor-plugin/style.css | 通用 | 样式文件 |

核心类导入

import { PDFParser, PDFModifier, RichTextEditor } from "pdf-editor-plugin";

📋 API 文档

Props 属性

| 属性名 | 类型 | 默认值 | 说明 | | ---------------- | ------------------ | -------------------------- | ----------------- | | placeholder | string | '请输入或粘贴PDF内容...' | 编辑器占位符文本 | | readOnly | boolean | false | 是否只读模式 | | initialContent | string | '' | 初始 HTML 内容 | | editorStyle | EditorStyle | {} | 编辑区自定义样式 | | exportFileName | string | 'edited-document' | 导出 PDF 文件名 | | exportOptions | ExportPDFOptions | {} | 导出 PDF 高级选项 |

EditorStyle 类型

interface EditorStyle {
  width?: string; // 编辑区宽度,如 '100%', '800px'
  height?: string; // 编辑区高度,如 '600px', '80vh'
  minHeight?: string; // 最小高度,如 '400px'
  background?: string; // 背景色,如 '#1a1a2e', 'white'
  borderColor?: string; // 边框颜色
  borderRadius?: string; // 圆角大小
  padding?: string; // 内边距
  fontSize?: string; // 字体大小,如 '14px'
  fontFamily?: string; // 字体族
  textColor?: string; // 文字颜色,如 '#ffffff'
}

ExportPDFOptions 类型

interface ExportPDFOptions {
  pageSize?: "A4" | "Letter" | "Legal";
  orientation?: "portrait" | "landscape";
  margin?: number;
  fontSize?: number;
  textColor?: { r: number; g: number; b: number };
}

Events 事件

| 事件名 | Vue | React | 参数 | 说明 | | -------------- | ----------------- | ----------------- | ----------------------- | ------------ | | content-change | @content-change | onContentChange | { html, delta } | 内容变化 | | pdf-loaded | @pdf-loaded | onPdfLoaded | { pages, watermarks } | PDF 加载完成 | | pdf-exported | @pdf-exported | onPdfExported | Uint8Array | PDF 导出完成 | | error | @error | onError | Error | 发生错误 |

核心类 API

import { PDFParser, PDFModifier, RichTextEditor } from "pdf-editor-plugin";

// PDF 解析
const parser = new PDFParser();
const pages = await parser.loadPDF(file);
const watermarks = await parser.detectWatermarks();

// PDF 修改与导出
const modifier = new PDFModifier();
const pdfBytes = await modifier.exportToPDF(content, images, options);
PDFModifier.downloadPDF(pdfBytes, "output.pdf"); // 静态方法,直接下载

// 富文本编辑器
const editor = new RichTextEditor("#container", { style: { height: "600px" } });
editor.setContent("<p>Hello</p>");
editor.getContent();
editor.applyStyle({ bold: true, color: "#ff0000" });
editor.getAllImages();
editor.replaceImage(oldUrl, newUrl);
editor.insertImage(url);
editor.findAndReplace("旧文本", "新文本");
editor.updateStyle({ background: "#fff" });

🐛 常见问题

Q: PDF.js Worker 配置?

A: 插件默认使用 new URL() 模式自动从本地 pdfjs-dist 包加载 Worker,无需联网版本一致。如果自动检测失败,会回退到 CDN。

你也可以手动配置 Worker:

import { initPDFWorker } from "pdf-editor-plugin";

// 方式1:使用本地 worker 文件(推荐,离线可用,版本一致)
initPDFWorker(
  new URL("pdfjs-dist/build/pdf.worker.min.js", import.meta.url).toString(),
);

// 方式2:使用 CDN(需要联网)
initPDFWorker(
  "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js",
);

// 方式3:使用本地文件路径
initPDFWorker("/assets/pdf.worker.min.js");

Vite 项目中推荐在入口文件添加:

// main.ts / main.jsx
import { initPDFWorker } from "pdf-editor-plugin";
initPDFWorker(
  new URL("pdfjs-dist/build/pdf.worker.min.js", import.meta.url).toString(),
);

Webpack 5 项目中推荐:

import { initPDFWorker } from "pdf-editor-plugin";
initPDFWorker(
  new URL("pdfjs-dist/build/pdf.worker.min.js", import.meta.url).toString(),
);

Q: Vite 项目中报错?

A: 在 vite.config.js 中添加:

export default {
  optimizeDeps: {
    include: ["pdf-editor-plugin"],
  },
};

Q: 样式不显示?

A: 确保导入样式文件:

import "pdf-editor-plugin/style.css";

Q: 如何自定义编辑区样式?

A: 通过 editorStyle 属性:

<PdfEditor
  editorStyle={{ width: "100%", height: "600px", background: "#fff" }}
/>

⚙️ 技术栈

  • PDF 解析: pdfjs-dist
  • PDF 操作: pdf-lib
  • 富文本编辑: Quill.js
  • 框架支持: Vue 2 / Vue 3 / React 18

📄 许可证

MIT License

📮 联系方式