echarts柱状图多组数据配置

一共三组数据javascript var map4_data1=[320, 332, 301, 334, 390,360,320, 332, 301, 334, 390,360]; var map4_data2=[220, 182, 191, 234, 290,320,220, 182, 191, 234, 290,320]; var map4_data3=[150, 232, 201, 154,

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