Ucharts

When to use this skill

Use this skill whenever the user wants to:

• Install and set up uCharts in a project
• Create charts in uni-app applications
• Use uCharts in WeChat Mini Program
• Use uCharts in H5 applications
• Configure chart options
• Use different chart types
• Handle chart events
• Customize chart appearance
• Understand uCharts API and methods
• Troubleshoot uCharts issues

How to use this skill

This skill is organized to match the uCharts official documentation structure (https://www.ucharts.cn/v2/#/, https://www.ucharts.cn/v2/#/guide/index, https://www.ucharts.cn/v2/#/document/index). When working with uCharts:

1. Identify the topic from the user's request:

   • Installation/安装 → examples/guide/installation.md
   • Quick Start/快速开始 → examples/guide/quick-start.md
   • Chart Types/图表类型 → examples/charts/
   • Features/功能特性 → examples/features/
   • API/API 文档 → api/

2. Load the appropriate example file from the examples/ directory:

   Guide (使用指南):

   • examples/guide/intro.md - Introduction to uCharts
   • examples/guide/installation.md - Installation guide
   • examples/guide/quick-start.md - Quick start guide
   • examples/guide/configuration.md - Configuration
   • examples/guide/platform-support.md - Platform support

   Charts (图表类型):

   • examples/charts/line.md - Line chart
   • examples/charts/column.md - Column chart
   • examples/charts/area.md - Area chart
   • examples/charts/pie.md - Pie chart
   • examples/charts/ring.md - Ring chart
   • examples/charts/radar.md - Radar chart
   • examples/charts/funnel.md - Funnel chart
   • examples/charts/gauge.md - Gauge chart
   • examples/charts/candle.md - Candle chart
   • examples/charts/mix.md - Mixed chart

   Features (功能特性):

   • examples/features/data-format.md - Data format
   • examples/features/chart-events.md - Chart events
   • examples/features/chart-methods.md - Chart methods
   • examples/features/chart-update.md - Chart update
   • examples/features/chart-customization.md - Chart customization

3. Follow the specific instructions in that example file for syntax, structure, and best practices

   Important Notes:

   • uCharts supports multiple platforms (uni-app, WeChat Mini Program, H5, APP)
   • Charts use canvas for rendering
   • Configuration through options object
   • Each example file includes key concepts, code examples, and key points

4. Reference API documentation in the api/ directory when needed:

   • api/chart-api.md - Chart component API
   • api/options-api.md - Options API
   • api/data-api.md - Data API
   • api/events-api.md - Events API
   • api/methods-api.md - Methods API

5. Use templates from the templates/ directory:

   • templates/installation.md - Installation templates
   • templates/basic-chart.md - Basic chart templates
   • templates/configuration.md - Configuration templates

1. Understanding uCharts

uCharts is a high-performance cross-platform charting library that supports uni-app, WeChat Mini Program, H5, APP and more.

Key Concepts:

• Chart Component: Main chart component
• Options: Chart configuration options
• Data: Chart data format
• Events: Chart events
• Methods: Chart methods
• Platform Support: Multi-platform compatibility

2. Installation

Using npm:

npm install @qiun/ucharts

Using yarn:

yarn add @qiun/ucharts

Using pnpm:

pnpm add @qiun/ucharts

3. Basic Setup

<template>
  <qiun-data-chart type="line" :chartData="chartData" :opts="opts" />
</template>

<script>
export default {
  data() {
    return {
      chartData: {
        categories: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri'],
        series: [
          {
            name: 'Sales',
            data: [35, 36, 31, 33, 13]
          }
        ]
      },
      opts: {}
    }
  }
}
</script>

Doc mapping (one-to-one with official documentation)

• examples/guide/ or examples/getting-started/ → https://www.ucharts.cn/v2/#/guide/index
• examples/ → https://www.ucharts.cn/v2/#/document/index

Examples and Templates

This skill includes detailed examples organized to match the official documentation structure. All examples are in the examples/ directory (see mapping above).

To use examples:

• Identify the topic from the user's request
• Load the appropriate example file from the mapping above
• Follow the instructions, syntax, and best practices in that file
• Adapt the code examples to your specific use case

To use templates:

• Reference templates in templates/ directory for common scaffolding
• Adapt templates to your specific needs and coding style

API Reference

Detailed API documentation is available in the api/ directory, organized to match the official uCharts API documentation structure (https://www.ucharts.cn/v2/#/document/index):

Chart Component API (api/chart-api.md)

• Chart component props
• Chart component events
• Chart component methods

Options API (api/options-api.md)

• Chart options configuration
• Option properties
• Option methods

Data API (api/data-api.md)

• Data format
• Data structure
• Data transformation

Events API (api/events-api.md)

• Chart events
• Event handlers
• Event parameters

Methods API (api/methods-api.md)

• Chart methods
• Method parameters
• Method return values

To use API reference:

1. Identify the API you need help with
2. Load the corresponding API file from the api/ directory
3. Find the API signature, parameters, return type, and examples
4. Reference the linked example files for detailed usage patterns
5. All API files include links to relevant example files in the examples/ directory

Best Practices

1. Configure options properly: Set up chart options correctly
2. Format data correctly: Use proper data format
3. Handle events: Use chart events for interactions
4. Use methods: Leverage chart methods for operations
5. Optimize performance: Optimize chart rendering performance
6. Customize appearance: Customize chart appearance when needed
7. Follow platform patterns: Follow platform-specific best practices

Resources

• Official Documentation: https://www.ucharts.cn/v2/#/
• Guide: https://www.ucharts.cn/v2/#/guide/index
• Documentation: https://www.ucharts.cn/v2/#/document/index

Keywords

uCharts, @qiun/ucharts, chart, 图表, 折线图, 柱状图, 饼图, 环形图, 雷达图, 漏斗图, 仪表盘, K线图, 混合图, line chart, column chart, area chart, pie chart, ring chart, radar chart, funnel chart, gauge chart, candle chart, mixed chart, uni-app, WeChat Mini Program, H5, APP, canvas, chart options, chart data, chart events, chart methods

能力边界

✅ 适用场景

• 当你需要使用此技能对应的技术栈时
• 当项目需要遵循最佳实践时
• 当需要快速上手或深入理解核心概念时

⚠️ 需要注意

• 复杂业务逻辑需要结合具体场景调整
• 性能优化需要根据实际数据量评估

❌ 不适用场景

• 不相关的技术栈或框架
• 需要完全自定义的特殊场景

常见陷阱 (Gotchas)

1. 版本兼容性：注意框架版本与依赖库的兼容性，不同版本 API 可能有差异
2. 配置文件格式：配置文件格式错误是最常见的问题，建议使用编辑器的语法检查
3. 环境变量：确保所有必要的环境变量已正确设置，敏感信息不要硬编码
4. 依赖冲突：多版本共存时注意依赖冲突，使用 lock 文件锁定版本
5. 性能陷阱：大数据量场景下注意性能优化，避免 N+1 查询等常见问题

使用流程

Step 1: 环境准备

确保开发环境已安装必要的依赖和工具。

Step 2: 配置初始化

根据项目需求进行基础配置。

Step 3: 核心功能使用

按照示例代码实现核心功能。

Step 4: 测试验证

运行测试确保功能正常。

Step 5: 部署上线

完成开发后进行部署和监控。