docs: 完善 README,应用名称统一为 DiffLens
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# difflens
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# DiffLens
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DiffLens - 精美酷炫的文本对比桌面应用 (Text Diff Desktop App built with TypeScript + React + Electron)
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> 精美酷炫的开源文本差异化对比桌面应用
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> Text Diff Desktop App — built with **TypeScript + React + Electron**
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DiffLens 是一款跨平台桌面文本对比工具,帮助你快速定位两份文件之间的所有差异。它采用暗色科幻视觉风格,提供**行级 + 词级内联高亮**的双栏并排视图与流畅的差异导航,操作简单、开箱即用。
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---
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## ✨ 特性
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- **双栏并排对比**:左(原文件)右(对比文件)对照,行号清晰对齐
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- **行级 + 词级双重高亮**:整行增删一目了然,同一行内的细微改动也能被精确定位
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- **差异导航**:一键“上一处 / 下一处”在差异之间跳跃,也可直接点击定位
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- **智能编码识别**:自动探测 UTF-8 / UTF-16 / GBK(含 BOM),中文文档不乱码
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- **忽略选项**:支持“忽略行首尾空白”“忽略大小写”,适配弱差异场景
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- **差异统计徽章**:实时统计新增 / 删除 / 修改行数
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- **拖拽与菜单双入口**:支持文件拖拽导入,也支持顶部菜单与快捷键打开
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- **滚动联动**:左右两个面板滚动位置自动同步
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---
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## 🧰 技术栈
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| 层次 | 技术 |
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| --- | --- |
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| 语言 | TypeScript |
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| UI | React 18 |
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| 桌面壳 | Electron |
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| 构建 | electron-vite (Vite 5) |
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| 打包 | electron-builder |
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| Diff 引擎 | jsdiff(行级 LCS + 词级词法 diff) |
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| 编码 | iconv-lite |
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---
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## 🚀 快速开始
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```bash
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# 安装依赖
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npm install
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# 启动开发模式(打开 Electron 窗口)
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npm run dev
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# 类型检查
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npm run typecheck
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# 生产构建
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npm run build
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```
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### 打包安装包
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```bash
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npm run build:win # Windows NSIS 安装包(需在 Windows 上执行)
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npm run build:mac # macOS DMG
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npm run build:linux # Linux AppImage / deb
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```
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---
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## 🏗️ 架构
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采用 Electron 经典三进程模型:
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```
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src/
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├── main/ # 主进程:窗口、菜单、文件读取与编码探测、IPC
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├── preload/ # 预加载:contextBridge 安全桥,仅暴露最小 API
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└── renderer/ # 渲染进程:React 界面与全部 diff 逻辑
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├── diff/ # diff 引擎(行级 + 词级高亮)
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├── components/ # 界面组件(DiffView / Toolbar 等)
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└── styles/ # 全局主题样式
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```
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**安全设计**:渲染进程通过 `contextBridge` 隔离,不直接接触 Node 能力;文件读取等系统操作统一收敛在主进程,仅经 IPC 白名单暴露。
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---
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## 📦 发布
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- 作者:thzxx
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- 组织:MetonaTeam
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- 开源协议:MIT License(见 [LICENSE](./LICENSE))
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- 版本:0.1.0
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---
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## 📝 License
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[MIT](./LICENSE) © 2026 thzxx 团队(MetonaTeam)
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