<div class="content" v-show="doommData.length">
    <div class="textLeft"></div>
    <div class="textItem">
     <p class="text aon" v-if="item.display" v-for="(item,index) in doommData" :key="index" :id="item.id" :style="{'animation-duration':item.time+'s', top:item.top+'%',color:'#333',background:item.result.bgColor}">
      <image :src="item.result.faceImage" class="headImg" />
      <span class="name">{{item.result.name}}:</span>
      <span class="text">{{item.result.sendMessage}}</span>
     </p>
    </div>
   </div>

// 彈幕參數(shù)
class Doomm {
 constructor(result, top, time, color, id) {
  //內(nèi)容，頂部距離，運行時間，顏色,id（參數(shù)可自定義增加）
  /**
   * result數(shù)據(jù)結構
   * faceImage:"",
   * bgColor: "#57B2FF",
   * sendMessage: "66666",
   * sendTime: "2019-11-06 15:10:15",
   * name: "eve"
   *
   */
  this.result = result;
  this.top = top;
  this.time = time;
  this.color = color;
  this.display = true;
  this.id = id;
 }
}
//隨機字體顏色
getRandomColor() {
 let rgb = [];
 for (let i = 0; i < 3; ++i) {
  let color = Math.floor(Math.random() * 256).toString(16);
  color = color.length == 1 ? "0" + color : color;
  rgb.push(color);
 }
 return "#" + rgb.join("");
}
//節(jié)流函數(shù)
function throttle(fn, wait) {
 var canUse = true; // 設置一個開關
 return function(item) {
  if (!canUse) {
   return false;
  } // 如果開關已經(jīng)關掉了就不用往下了
  canUse = false; // 利用閉包剛進來的時候關閉開關
  setTimeout(() => {
   fn(item);
   canUse = true; // 執(zhí)行完才打開開關
  }, wait);
 };
}
  //添加彈幕列表
  async barrageCyclic() {
   await this.Arr.forEach((ele, i) => {
    //往彈幕列表里面添加數(shù)據(jù)
    this.doommList.push(
     new Doomm(
      ele,
      Math.ceil(Math.random() * 70 + 10),
      Math.floor(Math.random() * 20 + 10),
      getRandomColor(),
      i
     )
    );
   });
   this.doommData = this.doommList;
  },