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adapters/platform/harmony/CHANGELOG.md renamed to adapters/platform/harmony/library/CHANGELOG.md

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‎adapters/platform/harmony/library/LICENSE‎

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‎adapters/platform/harmony/library/README.md‎

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# UCharts - 跨平台可视化图表库
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## 项目简介
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UCharts 是一个基于 TypeScript 实现的高性能、模块化、可扩展的跨平台图表库。底层渲染逻辑全部采用 TypeScript 实现，上层通过适配层（adapters）适配到不同平台，包括鸿蒙（HarmonyOS）、微信小程序、uniapp 等，真正实现"一套核心，多端复用"。
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## 特性
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- 🚀 **跨平台**：支持鸿蒙、微信小程序、uniapp 等主流平台
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- 🧩 **模块化设计**：底层渲染与平台适配解耦，易于扩展和维护
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- 🛡️ **TypeScript 全面支持**：类型安全，开发体验优秀
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- 🎨 **丰富图表类型**：柱状图、条状图、折线图、区域图、山峰图等
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- ⚡ **高性能渲染**：底层优化，动画流畅
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- 🔌 **易于扩展**：支持自定义图表类型和平台适配
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- 🍭 **自定义样式**：支持主题定制
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## 支持的图表类型
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- **柱状图 (column)**
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- **条状图 (bar)**
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- **折线图 (line)**
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- **区域图 (area)**
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- **山峰图 (mount)**
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- **散点图 (scatter)**
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- **气泡图 (bubble)**
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- **混合图 (mix)**
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- **饼状图 (pie)**
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- **环形图 (ring)**
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- **玫瑰图 (rose)**
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- **更多类型持续开发中...**
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## 下载安装
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```ts
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ohpm install @ibestservices/ucharts
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```
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OpenHarmony ohpm 环境配置等更多内容，请参考[如何安装 OpenHarmony ohpm 包](https://gitee.com/openharmony-tpc/docs/blob/master/OpenHarmony_har_usage.md)
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## 快速开始
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```typescript
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// 鸿蒙版
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import { ChartOptions, UCharts, UChartsController } from '@ibestservices/ucharts'
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@Entry
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@Component
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struct Index {
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@State chart: UChartsController = new UChartsController();
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private opts: Partial<ChartOptions> = {
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type: "column",
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categories: ["2018","2019","2020","2021","2022","2023"],
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series: series: [
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{
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name: "目标值",
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data: [35,36,31,33,13,34]
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},
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{
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name: "完成量",
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data: [18,27,21,24,6,28]
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}
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],
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padding: [15,15,0,5],
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xAxis: {
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disableGrid: true
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},
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yAxis: {
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data: [{min: 0}]
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},
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extra: {
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column: {
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type: "group",
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width: 30,
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activeBgColor: "#000000",
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activeBgOpacity: 0.08
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}
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}
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}
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build() {
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Column(){
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UCharts({ controller: this.chart, onReady: () => {
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this.chart.updateData(this.opts)
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}})
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}
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.height('100%')
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.width('100%')
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}
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}
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```
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> 具体平台的 context 获取方式请参考各自适配层文档。
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## 目录结构
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```
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├── core/ # 图表核心能力（平台无关）
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│ ├── types/ # 类型定义
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│ ├── utils/ # 工具函数
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│ ├── chart/ # 各类图表渲染器
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│ ├── event/ # 事件系统
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│ ├── animation/ # 动画系统
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│ └── factory.ts # 图表工厂
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├── adapters/ # 平台适配层
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│ ├── harmony/ # 鸿蒙适配（**当前仓库目录位置**）
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│ ├── h5/ # 原生H5适配
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│ ├── wechat/ # 微信小程序适配
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│ └── uniapp/ # uniapp适配
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├── interface/ # 对外统一接口
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│ ├── CanvasContext.ts # 跨平台统一 canvas context 接口定义
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├── examples/ # 示例代码
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├── docs/ # 文档
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└── README.md
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```
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## 跨平台适配层说明
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- 每个平台在 `adapters/` 下有独立目录，负责将平台 API 适配为统一的底层渲染接口。
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- 适配层需实现统一的适配接口，并暴露标准的 context、事件等能力，可参考h5实现。
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- 新增平台时，仅需在 `adapters/` 下新增目录并实现适配接口，无需修改 core 层代码。
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- **CanvasContext 统一接口**：
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- `ChartOptions.context` 字段要求传入的 canvas context 必须兼容 `interface/CanvasContext` 类型。
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- 各平台适配层需将平台原生 canvas context 封装/适配为该接口，保证 core 层渲染逻辑的统一调用。
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- 具体接口定义见 `interface/CanvasContext.ts`，如需适配新平台，请实现该接口。
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## 开发指南
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### 新增图表类型
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- 在 `core/chart/` 下创建新的渲染器类，**需继承 `BaseRenderer`**，实现通用渲染逻辑。
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- 在 `core/factory.ts` 中注册新图表类型。
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- 在 `core/types/extra.ts` 和 `core/types/series.ts` 中添加扩展配置类型。
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- 更新文档和示例。
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### 新增平台适配层
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1. 在 `adapters/` 下新建平台目录（如 `myplatform/`）。
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2. 实现统一适配接口，封装平台 canvas、事件等能力。
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3. 在平台入口文件（如 `index.ts`）中暴露适配能力。
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4. 如有需要暴露给用户层的适配层类型，在 `interface/` 下新建对应平台目录并导出。
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5. 更新文档说明。
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## 配置选项
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详见 `core/types/` 目录下类型定义，支持丰富的通用与扩展配置。
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## 类型与接口统一导出
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为方便用户开发，所有类型和接口均已在 `UCharts/interface` 统一导出。无论是图表配置类型、CanvasContext 适配类型，还是平台相关类型，均可通过如下方式导入：
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```ts
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import type { ChartOptions, CanvasContext } from 'UCharts/interface';
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```
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如需使用平台专属类型，可从 `UCharts/interface/harmony` 或 `UCharts/interface/wechat` 等路径导入。例如：
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```ts
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import type { HarmonyCanvasContext } from 'UCharts/interface/harmony';
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import type { WechatCanvasContext } from 'UCharts/interface/wechat';
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```
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普通用户只需用 `UCharts/interface` 统一类型即可，平台专属类型仅在需要平台能力扩展时使用。
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## 性能优化
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- **底层渲染优化**：TypeScript 实现，便于多端编译优化
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- **动画与事件分离**：动画、事件系统独立，提升流畅度
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- **按需加载**：仅加载所需图表类型和适配层
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## 兼容性
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- **鸿蒙系统**：支持 HarmonyOS 5.0 及以上
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- **浏览器**：支持浏览器等H5运行环境
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- **微信小程序**：支持主流小程序平台（适配中...）
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- **uniapp**：支持主流 uniapp 运行环境（适配中...）
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## 链接
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- [Github](https://github.com/junbin-yang/uCharts-v3)
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- [Gitee](https://gitee.com/uCharts/uCharts-v3)
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## 许可证
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本项目采用 **Apache License 2.0** 开源协议。
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- 允许自由使用、修改、分发和商业应用
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- 需保留原始版权声明和许可证文件
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- 详细条款请见根目录 LICENSE 文件
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## 致谢
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感谢所有开源贡献者和用户的支持！
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