vue2.0：（八）、外卖App弹窗部分知识点总结

      <ul v-if="seller.supports" class="supports">
          <li class="support-item" v-for="(item,index) in seller.supports">
              <span class="icon" :class="classMap[seller.supports[index].type]"></span>           <!---------------point1-2>
              <span class="text">{{seller.supports[index].description}}</span>
          </li>
      </ul>
<script>
　　export default{
        .......                                                /*-----------------其他的先省略*/
        created() {
            this.classMap = [‘decrease‘,‘discount‘,‘special‘,‘invoice‘,‘guarantee‘];           <!---------------point1-1>
        }
　　　　　.......                                              /*-----------------其他的先省略*/
    }
</script>

{
  "seller": {
    "name": "粥品香坊（回龙观）",
    "description": "蜂鸟专送",
    "deliveryTime": 38,
    "score": 4.2,
    "serviceScore": 4.1,
    "foodScore": 4.3,
    "rankRate": 69.2,
    "minPrice": 20,
    "deliveryPrice": 4,
    "ratingCount": 24,
    "sellCount": 90,
    "bulletin": "粥品香坊其烹饪粥料的秘方源于中国千年古法，在融和现代制作工艺，由世界烹饪大师屈浩先生领衔研发。坚守纯天然、0添加的良心品质深得消费者青睐，发展至今成为粥类的引领品牌。是2008年奥运会和2013年园博会指定餐饮服务商。",
    "supports": [
      {
        "type": 0,
        "description": "在线支付满28减5"
      },
      {
        "type": 1,
        "description": "VC无限橙果汁全场8折"
      },
      {
        "type": 2,
        "description": "单人精彩套餐"
      },
      {
        "type": 3,
        "description": "该商家支持发票,请下单写好发票抬头"
      }      ....................................(其他省略)

filter:blur(10px);  

<transition name="fade">　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 <!----------------------point2-4>
            <div v-show="detailShow" class="detail">                     <!----------------------这里的v-show有用>
                <div class="detail-wrapper clearfix">
                    <div class="detail-main">
                        <h1 class="name">{{seller.name}}</h1>
                        <div class="star-wrapper">
                            <star :size="48" :score = "seller.score"></star>
                        </div>
                        <div class="title">
                            <div class="line"></div>
                            <div class="text">优惠信息</div>
                            <div class="line"></div>
                        </div>
                        <ul v-if="seller.supports" class="supports">
                            <li class="support-item" v-for="(item,index) in seller.supports">
                                <span class="icon" :class="classMap[seller.supports[index].type]"></span>
                                <span class="text">{{seller.supports[index].description}}</span>
                            </li>
                        </ul>
                        <div class="title">
                            <div class="line"></div>
                            <div class="text">商家公告</div>
                            <div class="line"></div>
                        </div>
                        <div class="bulletin">
                            <p class="content">{{seller.bulletin}}</p>
                        </div>
                    </div>
                </div>
                <div class="detail-close" @click="hideDetail">                          <!----------------------这里的是给点击事件click加一个要执行的函数>
                    <i class="icon-close">*</i>
                </div>
            </div>
        </transition>

data(){                                                    
  return {
     detailShow:false    <!--------------------point-2-1                                
  };
},
methods:{ 
   showDetail(){                                        
       this.detailShow = true;    
   },
   hideDetail(){
      this.detailShow = false;    <!--------------------point-2-2 
   }
},

.detail{
            position:fixed;
            top:0;
            left:0;
            z-index: 100;
            width:100%;
            height:100%;
            overflow:auto;
            backdrop-filter:blur(10px);
            opacity:1;
            background:rgba(7,17,27,0.8); /* //渐变结束后的最终效果 */                  point-2-3 
            &.fade-enter-active, &.fade-leave-active{/* //渐变的进入和退出都历时0.5s */
                transition:all 0.5s;
            }
            &.fade-enter, &.fade-leave-to{/* //定义进入前和退出后样式，即透明无色背景。 */
                opacity:0;
                background:rgba(7,17,27,0);
            }
}