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ECharts词云

功能概述

词云是一种可视化描绘单词或词语出现在文本数据中频率的方式，它主要是由随机分布在词云图的单词或词语构成。

出现频率较高的单词或词语则会以较大的形式呈现出来，而频率越低的单词或词语则会以较小的形式呈现。

下面是ECharts 词云的示例效果：

添加ECharts词云插件

单击可视化插件按钮展开插件列表，然后在 ECharts 插件中将词云图插件拖拽至编辑区，即可添加一个 ECharts 词云插件。

数据绑定

添加图表后，数据绑定面板会自动打开，在数据绑定面板中选择数据集或数据模型。

示例中我们使用的是一个数据集。

将数据集或模型中的字段拖拽到组件的各个绑定区域完成数据绑定，在左侧编辑区可见组件已经按照绑定的字段进行了绘制。

当数据量较大时，超出显示范围则不会显示出底图形状，后续通过属性设置可调整。

数据绑定区域	说明
数值	绑定数值类字段，可绑定一个或多个字段。
分类	绑定组件的分析纬度，可绑定一个字段。
颜色	最多可绑定给一个字段，绑定后数据根据该字段划分颜色。
提示标签	提示标签是指当鼠标移至图形时，会出现相应的提示信息。使用方法详见鼠标提示标签。