// 抽獎
 handleStart() {
 if (this.isRuningLucky) {
  return Toast("正在抽獎中...");
 }
 if (isNaN(Number(this.initSpeed))) {
  return false;
 }
 this.speed = this.initSpeed;
 // 開始抽獎
 this.isRuningLucky = true;
 this.time = Date.now();
 this.drawAward();
 Toast("開始抽獎");
 },
 drawAward() {
 // 請求接口，模擬一個抽獎數(shù)據(jù)(假設請求時間為2s)
 setTimeout(() => {
  this.award = {
  id: "4"
  };
  console.log("返回的抽獎結(jié)果是", this.award);
 }, 2000);
 this.move();
 },
 move() {
 let timer = setTimeout(() => {
  this.current++;
  if (this.current > 7) {
  this.current = 0;
  }
  // 若抽中的獎品id存在，則開始減速轉(zhuǎn)動
  if (this.award.id && (Date.now() - this.time) / 1000 > 2) {
  console.log("獎品出來了");
  this.speed += this.diff; // 轉(zhuǎn)動減速
  
  // 若轉(zhuǎn)動時間超過4秒，并且獎品id等于小格子的獎品id，則停下來
  if (
   (Date.now() - this.time) / 1000 > 4 &&
   this.award.id == this.awards[this.current].id
  ) {
   clearTimeout(timer);

   setTimeout(() => {
   this.isRuningLucky = false;
   // 這里寫停下來要執(zhí)行的操作（彈出獎品框）
   Toast(
    "您抽中的獎品是" + this.awards[this.current].name + ",獎品id是" + this.awards[this.current].id
   );
   }, 400);
   return;
  }

  // 若抽中的獎品不存在，則加速轉(zhuǎn)動
  } else {
  if (this.speed >= 50) {
   this.speed -= this.diff; // 轉(zhuǎn)動加速
  }
  }

  this.move();
 }, this.speed);
 },

// 中獎名單滾動
 scroll() {
 this.animate = true;
 let timer = setTimeout(() => {
  this.list.push(this.list[0]);
  this.list.shift();
  this.animate = false;
 }, 500);
 }