11

pages/order_food/order_food.vue

@@ -9,10 +9,7 @@
 		<!-- 顶部面板 -->
 		<view class="top--panel">
 			<navseat :opacity='opacity' :titleshow='true' :heightshow='opacity'></navseat>
-			<!-- #ifdef MP-WEIXIN -->
-			<!-- #endif -->
 			<!-- 顶部面板，可添加所需要放在页面顶部的内容代码。比如banner图 -->
-			<!-- https://czg-qr-order.oss-cn-beijing.aliyuncs.com/orderfood/shuangyu1.png -->
 			<image class="panelimgbackground" :src="shopInfo.storeInfo.coverImg" mode="aspectFill">
 			</image>
 			<view class="panelone">
@@ -356,22 +353,16 @@
 			}
 		},
 		onPageScroll(e) {
-			try {
+			if (e.scrollTop <= 44) { //搜索导航栏显示影藏
-				if (e.scrollTop <= 44) { //搜索导航栏显示影藏
+				this.opacity = false
-					this.opacity = false
+			} else {
-				} else {
+				this.opacity = true
-					this.opacity = true
-				}
-			} catch (e) {
-				//TODO handle the exception
 			}
 			this.$u.debounce(() => {
-				console.log(e.scrollTop, this.scrollTopSize)
 				if (e.scrollTop >= this.scrollTopSize) { //控制大图层
-					// this.isFixed = false;
+					this.isFixed = false;
-					this.$set(this, 'isFixed', false);
 				} else {
-					this.$set(this, 'isFixed', true);
+					this.isFixed = true;
 				}
 			}, 10)
 
@@ -526,9 +517,9 @@
 			 */
 			shopAdd(item, index, index1, a, b) {
 				let flag = true;
-				if ( this.cartLists.data.length > 0) {
+				if (this.cartLists.data.length > 0) {
-					this.cartLists.data.forEach((v,e)=>{
+					this.cartLists.data.forEach((v, e) => {
-						if ( v.productId == item.id) {
+						if (v.productId == item.id) {
 							flag = false;
 						}
 						console.log(v)
@@ -538,18 +529,18 @@
 				console.log(this.amountcartNumber)
 				console.log(flag)
 				console.log(item)
-				if ( a == "+" ){
+				if (a == "+") {
-					if ( this.amountcartNumber <= 0 && flag) {
+					if (this.amountcartNumber <= 0 && flag) {
-						this.amountcartNumber = this.amountcartNumber + (item.suit==0?1:item.suit);
+						this.amountcartNumber = this.amountcartNumber + (item.suit == 0 ? 1 : item.suit);
-					}else {
+					} else {
 						this.amountcartNumber++;
 					}
 				} else {
 
 					if (this.amountcartNumber > 0) {
 						console.log(item)
-						if ( this.amountcartNumber <= item.suit && flag) {
+						if (this.amountcartNumber <= item.suit && flag) {
-							this.amountcartNumber = this.amountcartNumber - (item.suit==0?1:item.suit);
+							this.amountcartNumber = this.amountcartNumber - (item.suit == 0 ? 1 : item.suit);
 						} else {
 							this.amountcartNumber = this.amountcartNumber - 1;
 						}
@@ -878,7 +869,7 @@
 					/* 获取最后一项的高度，设置填充高度。判断和填充时做了 +-20 的操作，是为了滚动时更好的定位 */
 					let last = res[res.length - 1].height;
 					if (last - 20 < this.scrollHeight) {
-						this.fillHeight = this.scrollHeight - last + 20;//这是吸到顶部的距离
+						this.fillHeight = this.scrollHeight - last + 20; //这是吸到顶部的距离
 						// this.fillHeight = 200;
 					}
 				});
@@ -908,15 +899,18 @@
 			},
 			/* 左侧导航点击 */
 			leftTap(e) {
-				console.log(this.scrollTopSize + this.HeighT,11)
+				let HeighTdata = null
+				if (this.opacity) {
+					HeighTdata = this.HeighT
+				} else {
+					HeighTdata = this.HeighT * 2
+				}
+				console.log(this.scrollTopSize + HeighTdata, 11)
 				try {
-					if (this.isFixed) {
+					uni.pageScrollTo({
-						uni.pageScrollTo({
+						scrollTop: this.scrollTopSize + HeighTdata, //滑动需要的距离  nav+列表距离的高度
-							scrollTop: this.scrollTopSize + this.HeighT, //滑动需要的距离  nav+列表距离的高度
+						duration: 0
-							duration: 100
+					});
-						});
-						this.isFixed = false
-					}
 				} catch (e) {
 					//TODO handle the exception
 				}
@@ -1819,13 +1813,15 @@
 						color: #999999;
 						margin-bottom: 8rpx;
 					}
-					.describe,.name{
+
+					.describe,
+					.name {
 						width: 270rpx;
 						overflow: hidden;
 						text-overflow: ellipsis;
-					    white-space: nowrap;
+						white-space: nowrap;
 					}
-					
+
 
 					.lookBack {
 						color: #FF534B;