Merge branch 'dev' into sit

Jacob

1 天以前 433c5ab2fd2a6fd48fb931b5070b742503a99a6b

 pages/zone/index.vue
..
..
@@ -89,8 +89,10 @@
89
89
 					</view>
90
90
 				</view>
91
91
 			</view>
92
-			<view @click="goLottery" class="lottery_banner" v-if="info && info.isLottery && info.lotteryBanner">
93
-				<image class="lottery_bannerImg" :src="info.lotteryBanner" mode="widthFix">
92
+			<view @click="goLottery" class="lottery_banner"
93
+				v-if="info && info.isLottery && info.lotteryBanner && lotteryBannerReady">
94
+				<image class="lottery_bannerImg" :src="info.lotteryBanner" mode="widthFix"
95
+					:style="{ height: lotteryBannerHeight }">
94
96
 				</image>
95
97
 			</view>
96
98
 			<view class="tag-img-container" v-if="info.zoneType == 7">
..
..
@@ -642,6 +644,8 @@
642
644
 			stockEmpty: true,
643
645
 			urlOption: {},
644
646
 			homeTop: '200',
647
+			lotteryBannerHeight: '', //抽奖banner预计算高度（rpx），空字符串表示未取到，按原逻辑自适应
648
+			lotteryBannerReady: false, //是否已拿到banner尺寸（或已确认拿不到），未就绪前不渲染，避免首帧撑高
645
649
 			hasNewPop: false,
646
650
 			leftCoupon: {},
647
651
 			rightCoupon: {},
..
..
@@ -1480,6 +1484,29 @@
1480
1484
 				this.$refs.popNewuserRef.show()
1481
1485
 			}
1482
1486
 		},
1487
+		// 预取抽奖banner真实宽高，计算出高度后再渲染，避免加载前被组件默认高度(225px)撑大
1488
+		setLotteryBannerSize(info) {
1489
+			let that = this
1490
+			that.lotteryBannerHeight = ''
1491
+			that.lotteryBannerReady = false
1492
+			if (!info || !info.isLottery || !info.lotteryBanner) {
1493
+				that.lotteryBannerReady = true
1494
+				return
1495
+			}
1496
+			uni.getImageInfo({
1497
+				src: info.lotteryBanner,
1498
+				success: (img) => {
1499
+					if (img.width > 0 && img.height > 0) {
1500
+						that.lotteryBannerHeight = (690 * img.height / img.width).toFixed(2) + 'rpx'
1501
+					}
1502
+					that.lotteryBannerReady = true
1503
+				},
1504
+				fail: (err) => {
1505
+					console.warn('抽奖banner尺寸预取失败，回退为自适应', err)
1506
+					that.lotteryBannerReady = true
1507
+				}
1508
+			})
1509
+		},
1483
1510
 		getZoneDetail: function () {
1484
1511
 			let that = this;
1485
1512
 			let belong = this.$store.getters.belong;
..
..
@@ -1487,7 +1514,7 @@
1487
1514
 			console.log('专区详情入参：：', params)
1488
1515
 			getZoneDetail(that.id, params).then(res => {
1489
1516
 				that.info = res.data;
1490
-				//that.info.zoneType=8;
1517
+				that.setLotteryBannerSize(res.data);
1491
1518
 				that.updateZoneShareMenu();
1492
1519
 				if (res.data.zoneType == 6) {
1493
1520
 					that.setYueyangZone()