getQueryString（）

pages/order_food/order_food.vue

@@ -427,7 +427,14 @@
 			}
 		},
 		methods: {
-
+			getQueryString(url, name) { //解码
+				var reg = new RegExp('(^|&|/?)' + name + '=([^&|/?]*)(&|/?|$)', 'i')
+				var r = url.substr(1).match(reg)
+				if (r != null) {
+					return r[2]
+				}
+				return null;
+			},
 			/**
 			 * socket初始化
 			 */
@@ -870,11 +877,11 @@
 					const currentElement = this.topArr[this.leftIndex];
 					const diff = lastElement - currentElement;
 					console.log(diff)
-					if (diff > this.scrollHeight) {
+					// if (diff > this.scrollHeight) {
 					this.leftIndex = (index < 0 ? 0 : index);
-					} else {
+					// } else {
-						this.leftIndex = this.leftIndex
+					// 	this.leftIndex = this.leftIndex
-					}
+					// }
 				}
 			},
 			/* 左侧导航点击 */
@@ -883,7 +890,9 @@
 					scrollTop: this.topArr[index] - this.HeighT,
 					duration: 0
 				});
+				setTimeout(() => {
 					this.leftIndex = index
+				}, 500)
 			}
 		}
 	}