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   源码介绍

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//index.js
//获取应用实例
var app = getApp()
var cxt_arc;
var timer;
var n=1;
var timer;
var which = 3;//中奖项
var luck = ["免费双人早餐", "5金币", "免费双人早餐", "10金币", "谢谢参与", "20金币"];//定义奖项
Page({
  data: {
    animationData:{},//动画
    isclick: "start",//按钮事件
    image:"/images/dianji_choujiang.png",//转盘图片
    hiddenModal:true,//弹框是否隐藏
    detail: "恭喜您获得" luck[which-1],//弹框内容,
    ClickDisable: false
  },
  //事件处理函数
  bindViewTap: function() {
    wx.navigateTo({
      url: '../logs/logs'
    })
  },
  onLoad: function () {
    console.log('onLoad')
    // var that = this
    // //调用应用实例的方法获取全局数据
    // app.getUserInfo(function(userInfo){
    //   //更新数据
    //   that.setData({
    //     userInfo:userInfo
    //   })
    // })
  },
  
  start: function (e) {
    var _this = this;
    n=1;
    this.setData({
      isclick: "stop"
    })
    reset.call(_this);
    timer = setInterval(function () {
      //开始旋转
      star.call(_this);
      //
      n  ;
      if(n == 5){
        _this.stop()
        wx.hideLoading();
      }
    }
      , 300);
     //启动动画
    function star() {
      wx.showLoading();
      console.log("开始动画.....")
      var animation = wx.createAnimation({
        transformOrigin: "50% 50%",
        duration: 300,
        timingFunction: "linear"
      });
      animation.rotate(360*n).step();
      this.setData({
        animationData: animation.export(),
        disabled: false
        // image: "/images/dianji_tingzhi.png"
      })
    }
    //重置动画
    function reset() {
      console.log("重置动画.....")
      var animation = wx.createAnimation({
        transformOrigin: "50% 50%",
        duration: 0,
        timingFunction: "linear"
      });
      animation.rotate(0).step();
      this.setData({
        animationData: animation.export()
      })
    }
  },
  stop: function (e) {
    var _this = this;
    this.setData({
      isclick:""
    })
    clearInterval(timer);
    timer = null;
    console.log("结束动画.....");
    sto.call(_this);
    function sto() {
      console.log("重置动画.....")
      var animation = wx.createAnimation({
        transformOrigin: "50% 50%",
        duration: 1.4 * (2160 - (which - 1) * 60),
        timingFunction: "ease-out"
      });
      console.log(Math.random()*60); 
      animation.rotate(360 * n   (2160 - ((which-2) * 60) - 35 - (Math.random() * 50))).step();
      this.setData({
        animationData: animation.export(),
        image: "/images/dianji_choujiang.png",
      })
    }
 
    timer = setTimeout(function () {
      _this.setData({
        hiddenModal: false
      })
    }
      , 1.4 * (2160 - (which - 1) * 60 300));
  },

  returnTicket(){
    // let url = 'http://localhost:8080/PhalApi/Public/demo/?service=Welcome.Say'
    let url = 'http://126.33.14.8/Public/demo/?service=Welcome.Say'
    console.log('url',url);
    var that = this;
    wx.request({
      url: url,
      data: {},
      method: 'GET',
      success(res) {
        // console.log('信息',res)
        var wxcard_id = res.data.data.card_id;
        var timestamp = res.data.data.timestamp;
        var signature = res.data.data.sign;
        var nonce = res.data.data.nonce_str;
        wx.hideLoading();
        wx.addCard({
          cardList: [
          {
          cardId:'' wxcard_id  '',
          
                      cardExt:'{"timestamp": "'   timestamp  '","nonce_str":"'  nonce  '","signature":"'  signature  '"}'
          
                  }
          
          ],
          })
      },
      fail(res){
        console.log("fail!!", res);
      }
    });
  },

  listenerConfirm: function (e) {
      var _this = this;
      wx.showLoading();
      _this.returnTicket();
      this.setData({
        hiddenModal:true,
        isclick: "start"
      })
      reset.call(_this);
      function reset() {
        console.log("重置动画.....")
        var animation = wx.createAnimation({
          transformOrigin: "50% 50%",
          duration: 0,
          timingFunction: "linear"
        });
        animation.rotate(0).step();
        this.setData({
          animationData: animation.export()
        })
      }
    }
  })