echarts 总结

:force-use-old-canvas="true" 防止echarts穿透
饼图：
this.ec5.option.series[0].data[0].value = 0;
echarts 断点连接，两个点中间有空值，折线图就会出现断点
https://blog.csdn.net/weixin_40902181/article/details/84952951?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-2.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-2.no_search_link