fix:解决专区图片拉伸问题

Jacob

昨天 6a0a2c52a4ea8049909b8d7a40d0c2d098b5e74c

 pages/zone/index.vue
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@@ -72,7 +72,8 @@
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 				</view>
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 			</view>
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 			<view @click="goLottery" class="lottery_banner" v-if="info && info.isLottery && info.lotteryBanner">
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-				<image class="lottery_bannerImg" :src="info.lotteryBanner" mode="widthFix">
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+				<image class="lottery_bannerImg" :src="info.lotteryBanner" mode="widthFix"
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+					:style="{ height: lotteryBannerHeight }">
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 				</image>
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 			</view>
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 			<view class="tag-img-container" v-if="info.zoneType == 7">
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@@ -622,6 +623,7 @@
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 			stockEmpty: true,
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 			urlOption: {},
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 			homeTop: '200',
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+			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
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 			hasNewPop: false,
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 			leftCoupon: {},
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 			rightCoupon: {},
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@@ -1449,6 +1451,21 @@
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 				this.$refs.popNewuserRef.show()
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 			}
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 		},
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+		// 预取抽奖banner真实宽高，计算出高度后再渲染，避免加载前被组件默认高度(225px)撑大
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+		setLotteryBannerSize(info) {
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+			let that = this
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+			that.lotteryBannerHeight = ''
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+			if (!info || !info.isLottery || !info.lotteryBanner) return
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+			uni.getImageInfo({
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+				src: info.lotteryBanner,
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+				success: (img) => {
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+					if (img.width > 0 && img.height > 0) {
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+						that.lotteryBannerHeight = (690 * img.height / img.width).toFixed(2) + 'rpx'
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+					}
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+				},
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+				fail: () => { }
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+			})
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+		},
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 		getZoneDetail: function () {
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 			let that = this;
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 			let belong = this.$store.getters.belong;
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@@ -1456,6 +1473,11 @@
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 			console.log('专区详情入参：：', params)
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 			getZoneDetail(that.id, params).then(res => {
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 				that.info = res.data;
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+<<<<<<< Updated upstream
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+=======
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+				//that.info.zoneType=8;
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+				that.setLotteryBannerSize(res.data);
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+>>>>>>> Stashed changes
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 				that.updateZoneShareMenu();
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 				if (res.data.zoneType == 6) {
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 					that.setYueyangZone()