vue+element+echarts 项目的优化

参考文章：https://www.cxyzjd.com/article/weixin_33939843/88211998 https://cloud.tencent.com/developer/article/1839683 https://blog.csdn.net/ChengXuYuanXingCheng/article/details/79826247?utm_source=blogxgwz0&utm_term=%E8%A7%A3%E5%86%B3%E5%9B%BE%E8%A1%A8%E6%B8%B2%E6%9F%93%E5%A4%9A%E6%AC%A1%E9%97%AE%E9%A2%98&utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduweb~default-0-79826247 https://www.cxyzjd.com/article/qq_36291747/107669370