1、echart 页面菜单不能切换，line和bar不能自行切换
页面上报错误 bar has not been reqired
解决办法，加载bar
<script type="text/javascript"> require.config({ path:{ echarts:'../../../lib/echart/build/dist' } }); //此处漏掉加载bar require(['echarts','echarts/chart/line','echats/chart/bar'],function(ec){ })
转载于:https://www.cnblogs.com/pengfei25/p/8744180.html
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