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@develop-plugins/chart

v0.0.2

Published

基于 Vue3 和 ECharts 的图表插件。

Downloads

9

Readme

Chart 组件使用说明

基础用法

<template>
  <div>
    <Chart 
      :option="chartOption" 
      :loading="isLoading"
      loading-text="数据加载中..."
      width="800px" 
      height="400px"
      @chart-ready="onChartReady"
      @click="onChartClick"
    />
    
    <!-- 自定义Loading -->
    <Chart :option="chartOption" :loading="isLoading">
      <template #loading>
        <div style="color: #1890ff; font-size: 16px;">
          <i class="loading-icon">⏳</i>
          自定义加载中...
        </div>
      </template>
    </Chart>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import Chart from './components/Chart.vue'

// Loading状态
const isLoading = ref(false)

// 图表配置
const chartOption = ref({
  title: {
    text: '基础柱状图示例'
  },
  tooltip: {},
  xAxis: {
    data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
  },
  yAxis: {},
  series: [{
    name: '销量',
    type: 'bar',
    data: [5, 20, 36, 10, 10, 20]
  }]
})

// 图表准备就绪回调
const onChartReady = (chartInstance) => {
  console.log('图表初始化完成', chartInstance)
}

// 图表点击事件
const onChartClick = (params) => {
  console.log('图表点击事件', params)
}
</script>

Props 参数

| 参数名 | 类型 | 默认值 | 说明 | |--------|------|--------|------| | option | Object | - | ECharts配置对象(必填) | | width | String | '100%' | 图表宽度 | | height | String | '400px' | 图表高度 | | theme | String | 'default' | 图表主题 | | autoResize | Boolean | true | 是否自动resize | | loading | Boolean | false | 是否显示loading | | loadingText | String | '加载中...' | loading文本 | | loadingOption | Object | {} | ECharts内置loading配置 |

Events 事件

| 事件名 | 说明 | 回调参数 | |--------|------|----------| | chart-ready | 图表初始化完成 | chartInstance | | click | 鼠标点击事件 | event params | | dblclick | 鼠标双击事件 | event params | | mousedown | 鼠标按下事件 | event params | | mousemove | 鼠标移动事件 | event params | | mouseup | 鼠标抬起事件 | event params | | mouseover | 鼠标进入事件 | event params | | mouseout | 鼠标离开事件 | event params |

暴露的方法

| 方法名 | 说明 | 参数 | |--------|------|------| | updateChart | 更新图表配置 | newOption | | clearChart | 清空图表 | - | | disposeChart | 销毁图表 | - | | showLoading | 显示loading | option(可选) | | hideLoading | 隐藏loading | - |

插槽 Slots

| 插槽名 | 说明 | |--------|------| | loading | 自定义loading内容 |

使用示例

1. 折线图

const lineOption = {
  title: {
    text: '折线图示例'
  },
  tooltip: {
    trigger: 'axis'
  },
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value'
  },
  series: [{
    data: [820, 932, 901, 934, 1290, 1330, 1320],
    type: 'line'
  }]
}

2. 饼图

const pieOption = {
  title: {
    text: '饼图示例',
    left: 'center'
  },
  tooltip: {
    trigger: 'item'
  },
  series: [{
    name: '访问来源',
    type: 'pie',
    radius: '50%',
    data: [
      { value: 1048, name: '搜索引擎' },
      { value: 735, name: '直接访问' },
      { value: 580, name: '邮件营销' },
      { value: 484, name: '联盟广告' },
      { value: 300, name: '视频广告' }
    ]
  }]
}

3. 散点图

const scatterOption = {
  title: {
    text: '散点图示例'
  },
  xAxis: {},
  yAxis: {},
  series: [{
    type: 'scatter',
    data: [
      [10.0, 8.04],
      [8.07, 6.95],
      [13.0, 7.58],
      [9.05, 8.81],
      [11.0, 8.33]
    ]
  }]
}

4. Loading 使用示例

<template>
  <div>
    <!-- 基础Loading -->
    <Chart 
      :option="chartOption" 
      :loading="isLoading"
      loading-text="数据加载中..."
    />

    <!-- 自定义Loading -->
    <Chart :option="chartOption" :loading="isLoading">
      <template #loading>
        <div class="custom-loading">
          <div class="spinner"></div>
          <p>正在加载图表数据...</p>
        </div>
      </template>
    </Chart>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import Chart from './components/Chart.vue'

const isLoading = ref(false)
</script>

<style>
.custom-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #1890ff;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid #f0f0f0;
  border-top: 2px solid #1890ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 8px;
}
</style>

特性

  • ✅ 基于 ECharts 5.x
  • ✅ Vue 3 Composition API
  • ✅ TypeScript 支持
  • ✅ 响应式配置更新
  • ✅ 自动窗口resize
  • ✅ 完整的事件支持
  • ✅ 方法暴露给父组件
  • ✅ 主题切换支持
  • ✅ 内存泄漏防护
  • ✅ Loading状态支持
  • ✅ 自定义Loading内容
  • ✅ KeepAlive支持