方案1:随机生成颜色:function getColor(){ var color = "#"; //一个十六进制的值的数组 var array = ["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"]; //得到6个随机数 for (var i = 0; i < 6; i++) { var num = parseInt(Math.random()*16); color += array[num]; } return color; }方案二:多下载几套主题:https://echarts.apache.org/zh/theme-builder.html
方案1:
随机生成颜色:
方案二:

多下载几套主题: