随机抽奖

随机模板

<template>
    <div>
            <div class="box">
                <span >
                    &emsp;&emsp;&nbsp;&nbsp; 
                </span>
                <div class="qs">{{ word }}</div>
            </div>
            <div class="btns">
                <van-button plain type="primary" class="start" @click="btnFnStart">开始抽奖</van-button>
                <van-button plain type="primary" class="end" @click="btnFnEnd">暂停</van-button>
            </div>
    </div>
    
</template>

<script>
export default{
    data() {
        return{
            word:"奖项",
            name:["一等奖","二等奖","三等奖","谢谢惠顾","再来一次奖","掌声鼓励一下奖","木有奖","没有奖"],
            timer:"",
            jianname:"",
        };
    },
    methods:{
        btnFnStart(){
            clearInterval(this.timer);
            this.timer = setInterval(this.fn,100);
        },
        fn(){
            let num = Math.floor(Math.random()*this.name.length);
            this.word = this.name[num];
            this.jianname = this.name[num];
        },
        btnFnEnd(){
            clearInterval(this.timer);
            this.name.forEach((item,index)=>{
                if(item==this.jianname){
                    this.name.splice(index,1);
                }
                if(this.name.length==0){
                    this.word = "网络异常";
                }
            })
        }
    },
    mounted() {
        
    }
}
</script>

<style>
    * {
      margin: 0;
      padding: 0;
    }
    
    h2 {
      text-align: center;
    }
    
    .box {
      width: 600px;
      margin: 50px auto;
      display: flex;
      font-size: 25px;
      line-height: 40px;
    }
    
    .qs {
      width: 450px;
      height: 40px;
      color: red;
      text-align: center;
    }
    
    .btns {
      text-align: center;
    }
    
    .btns button {
      width: 120px;
      height: 35px;
      margin: 0 20px;
    }
    
</style>