statics page

nova-werun/components/circle/index.js

@@ -111,7 +111,7 @@ Component({
 
             this.setData({
                 cardList: this.data.cardList.concat(profile1List),
-                loadedItems: this.data.loadedItems + profile1List.length
+                loadedItems: this.data.loadedItems + profile1List.length,
             })
             console.log(this.data.cardList);
         },

nova-werun/components/ec-canvas/ec-canvas.js

@@ -0,0 +1,284 @@
+import WxCanvas from './wx-canvas';
+import * as echarts from './echarts.min';
+
+let ctx;
+
+function compareVersion(v1, v2) {
+  v1 = v1.split('.')
+  v2 = v2.split('.')
+  const len = Math.max(v1.length, v2.length)
+
+  while (v1.length < len) {
+    v1.push('0')
+  }
+  while (v2.length < len) {
+    v2.push('0')
+  }
+
+  for (let i = 0; i < len; i++) {
+    const num1 = parseInt(v1[i])
+    const num2 = parseInt(v2[i])
+
+    if (num1 > num2) {
+      return 1
+    } else if (num1 < num2) {
+      return -1
+    }
+  }
+  return 0
+}
+
+Component({
+  properties: {
+    canvasId: {
+      type: String,
+      value: 'ec-canvas'
+    },
+
+    ec: {
+      type: Object
+    },
+
+    forceUseOldCanvas: {
+      type: Boolean,
+      value: false
+    }
+  },
+
+  data: {
+    isUseNewCanvas: false
+  },
+
+  ready: function () {
+    // Disable prograssive because drawImage doesn't support DOM as parameter
+    // See https://developers.weixin.qq.com/miniprogram/dev/api/canvas/CanvasContext.drawImage.html
+    echarts.registerPreprocessor(option => {
+      if (option && option.series) {
+        if (option.series.length > 0) {
+          option.series.forEach(series => {
+            series.progressive = 0;
+          });
+        }
+        else if (typeof option.series === 'object') {
+          option.series.progressive = 0;
+        }
+      }
+    });
+
+    if (!this.data.ec) {
+      console.warn('组件需绑定 ec 变量，例：<ec-canvas id="mychart-dom-bar" '
+        + 'canvas-id="mychart-bar" ec="{{ ec }}"></ec-canvas>');
+      return;
+    }
+
+    if (!this.data.ec.lazyLoad) {
+      this.init();
+    }
+  },
+
+  methods: {
+    init: function (callback) {
+      const version = wx.getSystemInfoSync().SDKVersion
+
+      const canUseNewCanvas = compareVersion(version, '2.9.0') >= 0;
+      const forceUseOldCanvas = this.data.forceUseOldCanvas;
+      const isUseNewCanvas = canUseNewCanvas && !forceUseOldCanvas;
+      this.setData({ isUseNewCanvas });
+
+      if (forceUseOldCanvas && canUseNewCanvas) {
+        console.warn('开发者强制使用旧canvas,建议关闭');
+      }
+
+      if (isUseNewCanvas) {
+        // console.log('微信基础库版本大于2.9.0，开始使用<canvas type="2d"/>');
+        // 2.9.0 可以使用 <canvas type="2d"></canvas>
+        this.initByNewWay(callback);
+      } else {
+        const isValid = compareVersion(version, '1.9.91') >= 0
+        if (!isValid) {
+          console.error('微信基础库版本过低，需大于等于 1.9.91。'
+            + '参见：https://github.com/ecomfe/echarts-for-weixin'
+            + '#%E5%BE%AE%E4%BF%A1%E7%89%88%E6%9C%AC%E8%A6%81%E6%B1%82');
+          return;
+        } else {
+          console.warn('建议将微信基础库调整大于等于2.9.0版本。升级后绘图将有更好性能');
+          this.initByOldWay(callback);
+        }
+      }
+    },
+
+    initByOldWay(callback) {
+      // 1.9.91 <= version < 2.9.0：原来的方式初始化
+      ctx = wx.createCanvasContext(this.data.canvasId, this);
+      const canvas = new WxCanvas(ctx, this.data.canvasId, false);
+
+      if (echarts.setPlatformAPI) {
+        echarts.setPlatformAPI({
+          createCanvas: () => canvas,
+        });
+      } else {
+        echarts.setCanvasCreator(() => canvas);
+      };
+      // const canvasDpr = wx.getSystemInfoSync().pixelRatio // 微信旧的canvas不能传入dpr
+      const canvasDpr = 1
+      var query = wx.createSelectorQuery().in(this);
+      query.select('.ec-canvas').boundingClientRect(res => {
+        if (typeof callback === 'function') {
+          this.chart = callback(canvas, res.width, res.height, canvasDpr);
+        }
+        else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
+          this.chart = this.data.ec.onInit(canvas, res.width, res.height, canvasDpr);
+        }
+        else {
+          this.triggerEvent('init', {
+            canvas: canvas,
+            width: res.width,
+            height: res.height,
+            canvasDpr: canvasDpr // 增加了dpr，可方便外面echarts.init
+          });
+        }
+      }).exec();
+    },
+
+    initByNewWay(callback) {
+      // version >= 2.9.0：使用新的方式初始化
+      const query = wx.createSelectorQuery().in(this)
+      query
+        .select('.ec-canvas')
+        .fields({ node: true, size: true })
+        .exec(res => {
+          const canvasNode = res[0].node
+          this.canvasNode = canvasNode
+
+          const canvasDpr = wx.getSystemInfoSync().pixelRatio
+          const canvasWidth = res[0].width
+          const canvasHeight = res[0].height
+
+          const ctx = canvasNode.getContext('2d')
+
+          const canvas = new WxCanvas(ctx, this.data.canvasId, true, canvasNode)
+          if (echarts.setPlatformAPI) {
+            echarts.setPlatformAPI({
+              createCanvas: () => canvas,
+              loadImage: (src, onload, onerror) => {
+                if (canvasNode.createImage) {
+                  const image = canvasNode.createImage();
+                  image.onload = onload;
+                  image.onerror = onerror;
+                  image.src = src;
+                  return image;
+                }
+                console.error('加载图片依赖 `Canvas.createImage()` API，要求小程序基础库版本在 2.7.0 及以上。');
+                // PENDING fallback?
+              }
+            })
+          } else {
+            echarts.setCanvasCreator(() => canvas)
+          }
+
+          if (typeof callback === 'function') {
+            this.chart = callback(canvas, canvasWidth, canvasHeight, canvasDpr)
+          } else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
+            this.chart = this.data.ec.onInit(canvas, canvasWidth, canvasHeight, canvasDpr)
+          } else {
+            this.triggerEvent('init', {
+              canvas: canvas,
+              width: canvasWidth,
+              height: canvasHeight,
+              dpr: canvasDpr
+            })
+          }
+        })
+    },
+    canvasToTempFilePath(opt) {
+      if (this.data.isUseNewCanvas) {
+        // 新版
+        const query = wx.createSelectorQuery().in(this)
+        query
+          .select('.ec-canvas')
+          .fields({ node: true, size: true })
+          .exec(res => {
+            const canvasNode = res[0].node
+            opt.canvas = canvasNode
+            wx.canvasToTempFilePath(opt)
+          })
+      } else {
+        // 旧的
+        if (!opt.canvasId) {
+          opt.canvasId = this.data.canvasId;
+        }
+        ctx.draw(true, () => {
+          wx.canvasToTempFilePath(opt, this);
+        });
+      }
+    },
+
+    touchStart(e) {
+      if (this.chart && e.touches.length > 0) {
+        var touch = e.touches[0];
+        var handler = this.chart.getZr().handler;
+        handler.dispatch('mousedown', {
+          zrX: touch.x,
+          zrY: touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+        handler.dispatch('mousemove', {
+          zrX: touch.x,
+          zrY: touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+        handler.processGesture(wrapTouch(e), 'start');
+      }
+    },
+
+    touchMove(e) {
+      if (this.chart && e.touches.length > 0) {
+        var touch = e.touches[0];
+        var handler = this.chart.getZr().handler;
+        handler.dispatch('mousemove', {
+          zrX: touch.x,
+          zrY: touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+        handler.processGesture(wrapTouch(e), 'change');
+      }
+    },
+
+    touchEnd(e) {
+      if (this.chart) {
+        const touch = e.changedTouches ? e.changedTouches[0] : {};
+        var handler = this.chart.getZr().handler;
+        handler.dispatch('mouseup', {
+          zrX: touch.x,
+          zrY: touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+        handler.dispatch('click', {
+          zrX: touch.x,
+          zrY: touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+        handler.processGesture(wrapTouch(e), 'end');
+      }
+    }
+  }
+});
+
+function wrapTouch(event) {
+  for (let i = 0; i < event.touches.length; ++i) {
+    const touch = event.touches[i];
+    touch.offsetX = touch.x;
+    touch.offsetY = touch.y;
+  }
+  return event;
+}

nova-werun/components/ec-canvas/ec-canvas.json

@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "usingComponents": {}
+}

nova-werun/components/ec-canvas/ec-canvas.wxml

@@ -0,0 +1,4 @@
+<!-- 新的：接口对其了H5 -->
+<canvas wx:if="{{isUseNewCanvas}}" type="2d" class="ec-canvas" canvas-id="{{ canvasId }}" bindinit="init" bindtouchstart="{{ ec.disableTouch ? '' : 'touchStart' }}" bindtouchmove="{{ ec.disableTouch ? '' : 'touchMove' }}" bindtouchend="{{ ec.disableTouch ? '' : 'touchEnd' }}"></canvas>
+<!-- 旧的 -->
+<canvas wx:else class="ec-canvas" canvas-id="{{ canvasId }}" bindinit="init" bindtouchstart="{{ ec.disableTouch ? '' : 'touchStart' }}" bindtouchmove="{{ ec.disableTouch ? '' : 'touchMove' }}" bindtouchend="{{ ec.disableTouch ? '' : 'touchEnd' }}"></canvas>

nova-werun/components/ec-canvas/ec-canvas.wxss

@@ -0,0 +1,4 @@
+.ec-canvas {
+  width: 100%;
+  height: 100%;
+}

nova-werun/components/ec-canvas/wx-canvas.js

@@ -0,0 +1,111 @@
+export default class WxCanvas {
+  constructor(ctx, canvasId, isNew, canvasNode) {
+    this.ctx = ctx;
+    this.canvasId = canvasId;
+    this.chart = null;
+    this.isNew = isNew
+    if (isNew) {
+      this.canvasNode = canvasNode;
+    }
+    else {
+      this._initStyle(ctx);
+    }
+
+    // this._initCanvas(zrender, ctx);
+
+    this._initEvent();
+  }
+
+  getContext(contextType) {
+    if (contextType === '2d') {
+      return this.ctx;
+    }
+  }
+
+  // canvasToTempFilePath(opt) {
+  //   if (!opt.canvasId) {
+  //     opt.canvasId = this.canvasId;
+  //   }
+  //   return wx.canvasToTempFilePath(opt, this);
+  // }
+
+  setChart(chart) {
+    this.chart = chart;
+  }
+
+  addEventListener() {
+    // noop
+  }
+
+  attachEvent() {
+    // noop
+  }
+
+  detachEvent() {
+    // noop
+  }
+
+  _initCanvas(zrender, ctx) {
+    zrender.util.getContext = function () {
+      return ctx;
+    };
+
+    zrender.util.$override('measureText', function (text, font) {
+      ctx.font = font || '12px sans-serif';
+      return ctx.measureText(text);
+    });
+  }
+
+  _initStyle(ctx) {
+    ctx.createRadialGradient = () => {
+      return ctx.createCircularGradient(arguments);
+    };
+  }
+
+  _initEvent() {
+    this.event = {};
+    const eventNames = [{
+      wxName: 'touchStart',
+      ecName: 'mousedown'
+    }, {
+      wxName: 'touchMove',
+      ecName: 'mousemove'
+    }, {
+      wxName: 'touchEnd',
+      ecName: 'mouseup'
+    }, {
+      wxName: 'touchEnd',
+      ecName: 'click'
+    }];
+    eventNames.forEach(name => {
+      this.event[name.wxName] = e => {
+        const touch = e.touches[0];
+        this.chart.getZr().handler.dispatch(name.ecName, {
+          zrX: name.wxName === 'tap' ? touch.clientX : touch.x,
+          zrY: name.wxName === 'tap' ? touch.clientY : touch.y,
+          preventDefault: () => {},
+          stopImmediatePropagation: () => {},
+          stopPropagation: () => {}
+        });
+      };
+    });
+  }
+
+  set width(w) {
+    if (this.canvasNode) this.canvasNode.width = w
+  }
+  set height(h) {
+    if (this.canvasNode) this.canvasNode.height = h
+  }
+
+  get width() {
+    if (this.canvasNode)
+      return this.canvasNode.width
+    return 0
+  }
+  get height() {
+    if (this.canvasNode)
+      return this.canvasNode.height
+    return 0
+  }
+}

nova-werun/pages/home/statistics/index.js

@@ -1,6 +1,65 @@
 // nova-werun/pages/home/statistics/index.js
+import * as echarts from "../../../components/ec-canvas/echarts.min"
 const Parse = getApp().Parse;
 const company = getApp().globalData.company;
+function initChart(canvas, width, height, dpr) {
+    const chart = echarts.init(canvas, null, {
+        width: width,
+        height: height,
+        devicePixelRatio: dpr
+    });
+    canvas.setChart(chart);
+    var option = {
+        xAxis: {
+            type: 'category',
+            data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日'],
+            axisLabel: {
+                formatter: function(value, index) {
+                    const dates = ['1号', '2号', '3号', '4号', '5号', '6号', '7号'];
+                    return index === 1 ? '今天' : value + '\n'+'\n' + dates[index]; 
+                }
+            }
+          },
+          yAxis: {
+            type: 'value',
+            max: 20000, // 设置Y轴最大值为20000
+            axisLabel: {
+                formatter: function(value) {
+                    if (value >= 10000) {
+                        return (value / 10000) + 'k'; // 格式化为20k
+                    }
+                    return value;
+                }
+            }
+        },
+          series: [
+            {
+              data: [
+                12000,
+                {
+                  value: 12000,
+                  itemStyle: {
+                    color: '#a90000',
+                  }
+                },
+                12000,
+                12000,
+                12000,
+                12000,
+                12000
+              ],
+              type: 'bar',
+              barWidth:'10',
+              itemStyle: {
+                borderRadius:15,
+            }
+            }
+          ],
+    };
+    chart.setOption(option);
+
+    return chart;
+}
 Page({
 
     /**
@@ -27,7 +86,12 @@ Page({
         totalSteps: 0,
         totalDistance: 0,
         totalBurnCalories: 0,
-        totalsportDate:0
+        totalsportDate: 0,
+
+        ec: {
+            onInit: initChart
+        },
+
     },
 
     /**
@@ -224,5 +288,7 @@ Page({
         });
 
         console.log(allList, this.data.totalsportDate);
-    }
+    },
+
+
 })

nova-werun/pages/home/statistics/index.json

@@ -1,6 +1,7 @@
 {
   "usingComponents": {
     "van-tabbar": "@vant/weapp/tabbar/index",
-    "van-tabbar-item": "@vant/weapp/tabbar-item/index"
+    "van-tabbar-item": "@vant/weapp/tabbar-item/index",
+    "ec-canvas":"../../../components/ec-canvas/ec-canvas"
   }
 }

nova-werun/pages/home/statistics/index.less

@@ -153,7 +153,10 @@
     .chart{
         width: 100%;
         height: 508rpx;
-        background-color: aqua;
+          ec-canvas {
+            width: 100%;
+            height: 100%;
+          }
     }
 
 }

nova-werun/pages/home/statistics/index.wxml

@@ -48,9 +48,8 @@
         <view class="text2">|</view>
         <view class="text3">本周记录</view>
     </view>
-    <view class="chart">
-
-
+    <view class="chart">      
+     <ec-canvas canvas-id="echart-pie" ec="{{ec}}"></ec-canvas>
     </view>
 </view>
 <view class="all2" style="height: {{contentHeight}}rpx;" wx:if="{{active==1}}">