微信小程序Cannot read property 'setData' of null错误:https://blog.csdn.net/qq_42183184/article/details/82356208微信小程序wx.request组件的那些坑:https://www.cnblogs.com/jhlqab/p/6900798.htmlflask前端与后端之间传递的两种数据格式:json与FormData:https://www.cnblogs.com/hhh5460/p/8411978.htmlflask+...
import*asechartsfrom'../ec-canvas/echarts';constapp = getApp();letchart;functioninitChart(canvas, width, height, dpr){ chart = echarts.init(canvas,null, {width: width,height: height,devicePixelRatio: dpr// new}); canvas.setChart(chart); chart.setOption(option);returnchart; }varoption ...