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+# ECharts饼图
+
+该插件可以通过ECharts的饼图来展示数据.
+
+## ECharts饼图选择界面
+
+可以在插入菜单栏中选择单元格元素或悬浮元素的插入图表，也可以直接在工具栏选择插入图表，选择Demo图表。
+
+![formula](screenshots/choice.png)
+
+可以在看到该图表支持支持饼图和圆环图两种子类型
+
+## ECharts饼图编辑界面
+
+### 类型选择
+
+类型选择界面可以切换图表的子类型（饼图和圆环图），同时也可以选择图例的位置。
+
+![formula](screenshots/type.png)
+
+### 数据配置
+
+数据配置界面可以选择数据来源（单元格数据源或者数据集数据源），并配置对应的数据源数据。
+
+![formula](screenshots/data.png)
+
+### 标题配置
+
+标题配置界面可以配置图表的标题，支持使用公式。
+
+![formula](screenshots/title.png)
+
+### 自动刷新&超级链接配置
+
+特效界面可以配置图表的是否支持自动刷新以及刷新的时间间隔，并且可以配置图表的链接属性。
+
+![formula](screenshots/special.png)
+
+## 预览效果
+
+预览效果如图:
+
+1.饼图
+![formula](screenshots/result1.png)
+
+2.圆环图
+![formula](screenshots/result.png)
+
+
+
+
+
+
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