echarts柱状图多个颜色

在echarts中，可以通过设置颜色组来为柱状图设置多个颜色。在option中的color属性中设置颜色组，然后图例和bar/line都会对应颜色组的颜色。例如：option = { color: \['#333', '#666', '#999'\] }。\[1\]

另外，也可以通过在series的itemStyle中设置color属性来为柱状图的每个柱子设置不同的颜色。可以使用函数来根据柱子的数据或名称来判断并返回相应的颜色。例如：itemStyle: { normal: { color: function (params) { var colorList = \['#97e7ff', '#75f5ff', '#00deff', '#0093ff', '#2a5fcf'\] return colorList\[params.dataIndex\] } } }。\[2\]\[3\]
#### 引用[.reference_title]
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