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1.index.js
var app = getApp() Page({ data: { userInfo: {}, menuList: {},//菜單集合 animationData: {}, startPoint: {},//觸摸開始 dotPoint: {},//圓點坐標 startAngle: 0,//開始角度 tempAngle: 0,//移動角度 downTime: 0,//按下時間 upTime: 0,//抬起時間 // isRunning: false,//正在滾動 }, onLoad: function () { var that = this //調(diào)用應用實例的方法獲取全局數(shù)據(jù) app.getUserInfo(function (userInfo) { //更新數(shù)據(jù) that.setData({ userInfo: userInfo, }) }) wx.getSystemInfo({ success: function (res) { var windowWidth = res.windowWidth * 0.5; that.setData({ //圓點坐標,x為屏幕一半,y為半徑與margin-top之和,px //后面獲取的觸摸坐標是px,所以這里直接用px. dotPoint: { clientX: windowWidth, clientY: 250 } }) } }) }, onReady: function (e) { var that = this; app.menuConfig = { menu: [ { 'index': 0, 'menu': '我的賬戶', 'src': '../images/account.png' }, { 'index': 1, 'menu': '信用卡', 'src': '../images/card.png' }, { 'index': 2, 'menu': '投資理財', 'src': '../images/investment.png' }, { 'index': 3, 'menu': '現(xiàn)金貸款', 'src': '../images/loan.png' }, { 'index': 4, 'menu': '特色服務', 'src': '../images/service.png' }, { 'index': 5, 'menu': '轉(zhuǎn)賬匯款', 'src': '../images/transfer.png' } ] } // 繪制轉(zhuǎn)盤 var menuConfig = app.menuConfig.menu, len = menuConfig.length, menuList = [], degNum = 360 / len // 文字旋轉(zhuǎn) turn 值 for (var i = 0; i < len; i++) { menuList.push({ deg: i * degNum, menu: menuConfig[i].menu, src: menuConfig[i].src }); console.log("menu:" + menuConfig[i].menu) } that.setData({ menuList: menuList }); }, // 菜單拖動的三個方法 buttonStart: function (e) { this.setData({ startPoint: e.touches[0] }) var x = this.data.startPoint.clientX - this.data.dotPoint.clientX; var y = this.data.startPoint.clientY - this.data.dotPoint.clientY; var startAngle = Math.asin(y / Math.hypot(x, y)) * 180 / Math.PI; this.setData({ startAngle: startAngle }) }, buttonMove: function (e) { //獲取滑動時的時間 var downTime = Date.now(); this.setData({ downTime: downTime }) var that = this; var endPoint = e.touches[e.touches.length - 1] //根據(jù)觸摸位置計算角度 var x = endPoint.clientX - this.data.dotPoint.clientX; var y = endPoint.clientY - this.data.dotPoint.clientY; var moveAngle = Math.asin(y / Math.hypot(x, y)) * 180 / Math.PI var quadrant = 1; if (x >= 0) { quadrant = y >= 0 ? 4 : 1; } else { quadrant = y >= 0 ? 3 : 2; } var tempAngle = 0; // 如果是一、四象限,則直接end角度-start角度,角度值都是正值 if (quadrant == 1 || quadrant == 4) { tempAngle += moveAngle - this.data.startAngle; } else // 二、三象限,色角度值是負值 { tempAngle += this.data.startAngle - moveAngle; } var menuConfig = app.menuConfig.menu; var menuList = []; for (var i = 0; i < this.data.menuList.length; i++) { menuList.push({ deg: this.data.menuList[i].deg + tempAngle, menu: menuConfig[i].menu, src: menuConfig[i].src }); } this.setData({ menuList: menuList }) //重置開始角度 this.setData({ startPoint: e.touches[e.touches.length - 1] }) var endX = this.data.startPoint.clientX - this.data.dotPoint.clientX; var endY = this.data.startPoint.clientY - this.data.dotPoint.clientY; var startAngle = Math.asin(endY / Math.hypot(endX, endY)) * 180 / Math.PI; this.setData({ startAngle: startAngle, tempAngle: tempAngle }) }, buttonEnd: function (e) { // 計算,每秒移動的角度 var that = this; var upTime = Date.now(); var angleSpeed = this.data.tempAngle * 1000 / (upTime - this.data.downTime); if (Math.abs(angleSpeed) < 100) { //速度小于100時,停止?jié)L動 return } else { //速度大于100時,自動滾動 if (angleSpeed > 0) { if (angleSpeed > 500) angleSpeed = 500 var animationRun = wx.createAnimation({ duration: 2000, //ease-out結束時減速 timingFunction: 'ease-out' }) that.animationRun = animationRun animationRun.rotate(angleSpeed).step() that.setData({ animationData: animationRun.export(), }) } else { if (angleSpeed < -500) angleSpeed = -500 angleSpeed = Math.abs(angleSpeed); var animationRun = wx.createAnimation({ duration: 2000, // ease-out結束時減速 timingFunction: 'ease-out' }) that.animationRun = animationRun animationRun.rotate(-angleSpeed).step() that.setData({ animationData: animationRun.export(), }) } } } })
2.index.w xml
<view class="circle-out"> <view class="circle-in"> <image class="userinfo-avatar" src="{{userInfo.avatarUrl}}"></image> <view class="menu-list" catchtouchmove="buttonMove" catchtouchstart="buttonStart" catchtouchend="buttonEnd"> <view class="menu-item" wx:for="{{menuList}}" wx:key="unique" animation="{{animationData}}"> <view class="menu-circle-item" style="-webkit-transform: rotate({{item.deg}}deg);" data-menu="{{item.menu}}"> <image class="image-style" src="{{item.src}}"></image> </view> <view class="menu-circle-text-item" style="-webkit-transform: rotate({{item.deg}}deg);"> <text class="text-style">{{item.menu}}</text> </view> </view> </view> </view> </view>
3.index.wxss
page { background-image: url('http://ac-ejx0nsfy.clouddn.com/ac767407f474e1c3970a.jpg'); background-attachment: fixed; background-repeat: no-repeat; background-size: cover; } .circle-out { margin: 75px auto; position: relative; width: 350px; height: 350px; border-radius: 50%; background-color: #415cab; } .userinfo-avatar { width: 70px; height: 70px; border-radius: 50%; position: absolute; top: 0; bottom: 0; left: 0; right: 0; margin: auto; } /**子控件的透明度等于父控件透明度*子控件透明度,父控件的opacity設置后, 所以子控件opacity設置為1依然無效,必須分離開 */ .circle-in { position: absolute; width: 330px; height: 330px; border-radius: 50%; top: 0; bottom: 0; left: 0; right: 0; margin: auto; background-color: #fff; } /**菜單*/ .menu-list { position: absolute; left: 0; top: 0; width: inherit; height: inherit; } .menu-item { position: absolute; left: 0; top: 0; width: 100%; height: 100%; font-weight: 500; } .menu-circle-item { -webkit-transform-origin: 50% 150px; transform-origin: 50% 150px; margin: 0 auto; margin-top: 15px; position: relative; height: 50px; width: 50px; background-color: #77c2fc; text-align: center; border-radius: 50%; } .image-style { height: 25px; width: 25px; color: #f00; margin: 12.5px auto; } .text-style { margin: 5px auto; font-size: 15px; } /***/ .menu-circle-text-item { -webkit-transform-origin: 50% 100px; transform-origin: 50% 100px; margin: 0 auto; position: relative; height: 25px; width: auto; text-align: center; }
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var angleSpeed = this.data.tempAngle * 1000 / (upTime - this.data.downTime);
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Xianyu? ?? WeChat ?? ????? ??? ???????. ?? ??????? ??? ???? ???? ???/???? ????, ?? ?? ? ?? ??, ?? ?? ?? ? ? ????. ?????? Xianyu WeChat mini? ?????? ????? ?????? Xianyu WeChat ???? ??? ?????? ??: Xianyu, ?? ??, ?? ??, ???? ? ???. 1. ?? ??????? ?? ??? ??, ??? ???? ?? ???/????? ??????, ?? ?? ? ?? ??, ?? ?? ?? ?? ? ? ????. 2. ?? ???? ????? ??? ????? ????. ?? ??, ???, ? 5?? ?? 3. ????? ???? ?? WeChat ??? ????? ???.

WeChat ?? ?????? ?? ?? ?? ?? ?? ??? ??????? ??? ?? ???? ??? ??? ??? ??? ??? ?? ??? ?? ??? ???? ?? ?? ? ???? ????. WeChat ?? ??????? ?? ?? ??? ??? ? ?? ????? ?? ???? ???? ?? ?? ??? ?????. ? ????? WeChat ?? ?????? ??? ?? ??? ???? ??? ???? ???? ?? ??? ?????. ?? WeChat ???? ??? ?? ??? ???? ???? ???? ???? ???. ????? ??? ????? ??? ? ????.

WeChat ?? ?????? ???? ?? ??? ????? ???? ?? ??? ?????. ??? ???? ??? ?? WeChat ?? ????? ??? ??? ??? ??? ???? ?? ? ?? ???? ??? ?? ???? ??????. WeChat ?? ????? ?????. WeChat ?? ???? ??? ?? APP ???? ???? ???? ?? ?? ??? ???? ???. WeChat ?? ???? ???? ???? ??? ???? UI ?? ???, ? ?? ??? ??? ?????. ? ????? WeChat ????? ???? ?? ??? ???? ??? ??? ???? ???? ??? ?????.

Xianyu? ?? WeChat ?? ????? ????? ?? ??? ?? ???? ??? ? ?? ??? ???? ???? ?? ??? ???????. ?? ??????? ??? ???? ?? ??? ?? ???? ??? ? ???, ???? ? ?? ??, ??? ??? ??? ? ????. ???? WeChat ?? ?????? Xianyu? ??? ????? ????? ? ???? ?????? ?? ?? ??? ?????. ?? ?? ???? ? ??? ?? ?? ?????! Xianyu WeChat ???? ??? ?????? ??: Xianyu, ?? ??, ?? ??, ???? ? ???. 1. ?? ??????? ?? ??? ??, ??? ???? ?? ???/????? ??????, ?? ?? ? ?? ??, ?? ?? ?? ?? ? ? ????. 2. ?? ???? ????? ??? ????? ????. ?? ??, ??? ? 5?? ??.

WeChat ???? ?? ??? ??? ?????. ??? ???? ???? WeChat ???? ???? ?? ???? ?? ??? ?????. WeChat ?? ????? ??? ?????? ????? ??? ?? ??? ??? ??? ??? ??? ??? ?? ??? ?????. ? ????? WeChat ????? ??? ??? ??? ???? ??? ???? ???? ?? ??? ?????. 1. ?? ?? ?? ??? ???? ?? WeChat ??? ??? ?????? ???? WeChat ???? ???? ???. ??? WeChat? ???? ???.

WeChat ?? ?????? ??? ?? ??? ????? ???? ?? ??? ?????. WeChat ?? ????? ????? ??? ??? ?? ??? ??? ???? ?? ?????????. ?? ?????? ???? ??? ?? ??? API? ???? ??? ??? ?? ? ????. ? ? ?? ?? ??? ??????? ??? ?? ??? ?? ? ?? ???? ????? ????. WeChat ?? ?????? ??? ?? ??? ???? ?? ?????? ???? ????? API? ???? ???. ??? ??? ???? ?? ?? ?????.

WeChat ???? ???? ??? ?? ??? ????. WeChat ???? ?? ? ??? ???? ???? ?? ?????????. WeChat ?? ??????? ??? ?? ??? ???? ?? ???? ?? ?????. ? ????? WeChat ???? ???? ??? ?? ??? ?? ??? ???? ???? ?? ??? ?????. ?? WeChat ???? ??? ??? ??? ?? ??? ?????. ?? ?? <swiper> ??? ???? ???? ?? ??? ?? ? ????. ? ?? ????? b? ??? ? ????.

WeChat ?? ?????? ???? ?? ??? ????? ?? ?? ??? ?????. WeChat ?? ????? ??? ?? ???? ?? ???? ?? ?? ??? ?? ??? ???? ??? ????. ?? ???? ?? ??? ????? ???? ?? ?? ?????. ? ????? WeChat ????? ???? ?? ??? ???? ??? ??? ???? ???? ?? ??? ?????. 1. ?? ?? ?? WeChat ?? ?????? ???? ?? ??? ???? ?? ??? ?????. ?? ??: ???? ? ??? ? ?? ??? ????? ? ?? ??? ??? ????? ???.
