轮播图优化:

1.http请求优化
2. 方法写到methods调用
3. 用async await同步写法

src/pages/index/index.vue

@@ -7,7 +7,7 @@
 
     <!-- 2.轮播图 -->
     <view class="swiper">
-      <u-swiper :list="list" height="340" border-radius="0"></u-swiper>
+      <u-swiper :list="swiperList" height="340" border-radius="0"></u-swiper>
     </view>
 
 	</view>
@@ -17,47 +17,25 @@
 	export default {
 		data() {
 			return {
-        list: [
-          // {
-					// 	image: 'https://cdn.uviewui.com/uview/swiper/1.jpg',
-					// 	title: '昨夜星辰昨夜风，画楼西畔桂堂东'
-					// },
-					// {
-					// 	image: 'https://cdn.uviewui.com/uview/swiper/2.jpg',
-					// 	title: '身无彩凤双飞翼，心有灵犀一点通'
-					// },
-					// {
-					// 	image: 'https://cdn.uviewui.com/uview/swiper/3.jpg',
-					// 	title: '谁念西风独自凉，萧萧黄叶闭疏窗，沉思往事立残阳'
-					// }
-				]
+        swiperList: []
 			}
     },
     // 页面生命周期
 		onLoad() {
-      uni.request({
-        url:'https://api-hmugo-web.itheima.net/api/public/v1/home/swiperdata',
-      })
-      // .then(console.log)
-      //promise会传递参数给它
-      .then(res=>{
-        const message = res[1].data.message
-        // 方法1
-        /* 
-        message.forEach(v => {
-          v.image = v.image_src
-        })
-        this.list = [...message]
-        */
-        //方法2
-        this.list = message.map(v=>({
-          ...v,image:v.image_src
-        }))
-        //箭头函数后面跟({}), 就不会把大括号解析成语句块的开始, 而是对象的一部分,()包起来, 相当于return
-      })
+      this.getSwiper();
 		},
 		methods: {
+      // getSwiper(){
+      //   this.$u.get("/home/swiperdata")
+      //   .then(res=>{
+      //       this.swiperList = res.message.map(v=>({...v,image:v.image_src}))
+      //     })
+      // }
 
+      async getSwiper(){
+        const { message } = await this.$u.get("/home/swiperdata")
+        this.swiperList = message.map(v=>({...v,image:v.image_src}))
+		  }
 		}
 	}
 </script>