微信小程序中使用echarts

一、效果图

二、代码

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import * as echarts from '../../component/ec-canvas/echarts'; const app = getApp(); var xData = ["1:00", "2:00", "3:00", "4:00", "5:00", "6:00", "7:00", "8:00", "9:00", "10:00", "11:00", "12:00", "13:00", "14:00", "15:00"], yData = [], chart, charts, pc=0, mobile=0; function initChart(canvas, width, height) {   chart = echarts.init(canvas, null, {     width: width,     height: height   });   canvas.setChart(chart);   var option = {     color: ["#37A2DA"],     xAxis: {       type: 'category',       boundaryGap: false,       data: xData,     },     yAxis: {       x: 'center',       type: 'value'     },     series: [{       type: 'line',       smooth: true,       data: yData     }]   };   chart.setOption(option);   return chart; } function initCharts(canvas, width, height) {   charts = echarts.init(canvas, null, {     width: width,     height: height   });   canvas.setChart(charts);     var options = {     color: ["#3498DB", "#E062AE"],     tooltip: {       trigger: 'item',       formatter: "{a} {b}: {c} ({d}%)"     },     legend: {       orient: 'vertical',       x: 'left',       paddingTop: '50px',       data: ['移动端', 'PC端']     },     grid: {       left: 20,       right: 20,       bottom: 15,       top: 40,       containLabel: true     },           series: [       {         name: '访问来源',         type: 'pie',         label: {           normal: {             show: true,             position: 'outside',             formatter: '{b}:{c}'           },           emphasis: {             show: true,             textStyle: {               fontSize: '20',               fontWeight: 'bold'             }           }         },         data: [           { value: mobile, name: "移动端" },           { value: pc, name:"PC端"}         ]       }     ]   };     charts.setOption(options);   return charts; } Page({   data: {     tabs: ["今日", "昨日", "近7日", "近30日"],     activeIndex: 0,     sliderOffset: 0,     sliderLeft: 0,     ec: {       onInit: initChart     },     ecs: {       onInit: initCharts     }   },   onLoad: function (options) {     var that = this;     app.initNavbar(that);   },   onShow: function () {     var that = this;     setTimeout(function () {       that.getDataInfo(0)     }, 500)   },   tabClick: function (e) {     this.setData({       sliderOffset: e.currentTarget.offsetLeft,       activeIndex: e.currentTarget.id     });     this.getDataInfo(e.currentTarget.id);   },   getDataInfo(index) {     wx.showLoading({       title: '正在加载...',       mask: true     });     var that = this;     wx.request({       url: app.api.getData,       data: {         userid: wx.getStorageSync("userInfo").userid,         action: index       },       success(res) {         var yData = res.data.yData;         var xData = res.data.xData;         var option = chart.getOption();         option.series[0].data = yData;         option.xAxis = {           type: 'category',           boundaryGap: false,           data: xData,         };         chart.setOption(option, true);         var options = charts.getOption();         options.series[0].data[0].value = res.data.mobile.num;         options.series[0].data[1].value = res.data.pc.num;         charts.setOption(options, true);         that.setData({           ip: res.data.ip,           messall: res.data.messall,           view: res.data.view         })          },       error() {         app.errorModal("网络出错");       },       complete() {         wx.hideLoading();       }     })   } })

<ec-canvas id="mychart-dom-line" canvas-id="mychart-line" ec="{{ ec }}"></ec-canvas>

三、下载

下载ec-cavas地址:https://github.com/ecomfe/echarts-for-weixin

四、Demo

 

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