[代码]<[代码][代码]scroll-view[代码]  [代码]scroll-y [代码][代码]class[代码][代码]=[代码][代码]"list-view"[代码][代码]                  [代码][代码]bindscrolltolower[代码][代码]=[代码][代码]""[代码][代码]>[代码][代码]      [代码][代码]<[代码][代码]view[代码] [代码]wx:for[代码][代码]=[代码][代码]"{{roomList}}"[代码] [代码]wx:for-item[代码][代码]=[代码][代码]"item"[代码][代码]>[代码][代码]        [代码][代码]<[代码][代码]view[代码] [代码]data-id[代码][代码]=[代码][代码]"{{item.id}}"[代码] [代码]data-themeid[代码][代码]=[代码][代码]"{{item.themeId}}"[代码][代码]>[代码][代码]          [代码][代码]<[代码][代码]view[代码] [代码]open-type[代码][代码]=[代码][代码]"getUserInfo"[代码] [代码]style[代码][代码]=[代码][代码]"background-image:url({{item.coverUrl}})"[代码][代码]></[代码][代码]view[代码][代码]>[代码][代码]        [代码][代码]</[代码][代码]view[代码][代码]>[代码][代码]      [代码][代码]</[代码][代码]view[代码][代码]>[代码][代码]</[代码][代码]scroll-view[代码][代码]>[代码] 这个地方，我的roomList是根据异步请求加载的，设置了setData，页面中可以看到roomList数组有数据，但是渲染失败，撤掉scroll-view，正常循环出结果

这是HTML代码 [代码]<[代码][代码]view[代码] [代码]class[代码][代码]=[代码][代码]"canvas-wrap"[代码][代码]> [代码][代码]   [代码][代码]<[代码][代码]view[代码] [代码]class[代码][代码]=[代码][代码]"top"[代码][代码]> [代码][代码]     [代码][代码]<[代码][代码]canvas[代码] [代码]class[代码][代码]=[代码][代码]"cir"[代码] [代码]style[代码][代码]=[代码][代码]"width:110rpx; height:110rpx; z-index: 1"[代码] [代码]canvas-id[代码][代码]=[代码][代码]"canvasArc"[代码][代码]> </[代码][代码]canvas[代码][代码]>[代码][代码]     [代码][代码]<[代码][代码]canvas[代码] [代码]class[代码][代码]=[代码][代码]"cir"[代码] [代码]style[代码][代码]=[代码][代码]"width:110rpx; height:110rpx; z-index: 2"[代码] [代码]canvas-id[代码][代码]=[代码][代码]"canvasProcess"[代码][代码]></[代码][代码]canvas[代码][代码]>[代码][代码]   [代码][代码]</[代码][代码]view[代码][代码]>[代码]这是js代码 [代码]data: {[代码][代码]    [代码][代码]countState: 0[代码][代码]  [代码][代码]},[代码][代码]ready: [代码][代码]function[代码][代码]() {[代码][代码]  [代码][代码]let cxt_arc = wx.createCanvasContext([代码][代码]'canvasArc'[代码][代码]);[代码][代码]    [代码][代码]cxt_arc.setLineWidth(6);[代码][代码]    [代码][代码]cxt_arc.setStrokeStyle([代码][代码]'#E8E8E8'[代码][代码]);[代码][代码]    [代码][代码]cxt_arc.setLineCap([代码][代码]'round'[代码][代码])[代码][代码]    [代码][代码]cxt_arc.beginPath();[代码][代码]    [代码][代码]cxt_arc.arc(27, 27, 24, 0, 23 * 23 * Math.PI, [代码][代码]false[代码][代码]);[代码][代码]    [代码][代码]cxt_arc.stroke();[代码][代码]    [代码][代码]cxt_arc.draw(); [代码][代码]    [代码][代码]this[代码][代码].countDown();    [代码][代码]}[代码][代码]/**[代码][代码]   [代码][代码]* 组件的方法列表[代码][代码]   [代码][代码]*/[代码][代码]method: {[代码][代码]  [代码][代码]countDown: [代码][代码]function[代码][代码]() {[代码][代码]      [代码][代码]let countDown = setInterval(() =>{[代码][代码]        [代码][代码]let countNum = [代码][代码]this[代码][代码].data.countState;[代码][代码]        [代码][代码]countNum ++;[代码][代码]        [代码][代码]this[代码][代码].setData({[代码][代码]          [代码][代码]countState: countNum          [代码][代码]        [代码][代码]})[代码][代码]        [代码][代码]let pathEx = countNum * 0.2 + 1.5;[代码][代码]        [代码][代码]if[代码][代码](pathEx > 2) {[代码][代码]          [代码][代码]pathEx = pathEx - 2;[代码][代码]        [代码][代码]}  [代码][代码]        [代码][代码]if[代码][代码](countNum == 10) {[代码][代码]          [代码][代码]clearInterval(countDown);[代码][代码]        [代码][代码]}[代码][代码]        [代码][代码]let cxt_process = wx.createCanvasContext([代码][代码]'canvasProcess'[代码][代码]);[代码][代码]        [代码][代码]cxt_process.setLineWidth(6);[代码][代码]        [代码][代码]cxt_process.setStrokeStyle([代码][代码]'#F3C62A'[代码][代码]);[代码][代码]        [代码][代码]cxt_process.setLineCap([代码][代码]'round'[代码][代码])[代码][代码]        [代码][代码]cxt_process.beginPath();[代码][代码]        [代码][代码]cxt_process.arc(27, 27, 24, 1.5 * Math.PI, pathEx * Math.PI, [代码][代码]false[代码][代码]);[代码][代码]        [代码][代码]cxt_process.stroke();[代码][代码]        [代码][代码]cxt_process.draw();[代码][代码]      [代码][代码]}, 1000) [代码][代码]    [代码][代码]}[代码][代码]}[代码]在编译器上是正常运行的，但是在真机上是不显示的

近期看到一个微信已经可以调用底部抽屉菜单，就是之前分享那个，请问这个是怎么调用的呢，API中没有找到对应的文档

现在有个需求，返利后可以提现