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才购物车二次进来

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This commit is contained in:
魏啾
2024-08-03 16:38:35 +08:00
parent 5fb9871900
commit 93c3e70e98
1 changed files with 11 additions and 9 deletions
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16
pages/order_food/order_food.vue
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@@ -483,6 +483,9 @@
if (this.cartLists && this.cartLists.data && this.cartLists.data.length >= 0) { if (this.cartLists && this.cartLists.data && this.cartLists.data.length >= 0) {
this.setNumber() this.setNumber()
} }
this.scrollTopSize = 0
this.scrollHeight = 1000
this.topArr = []
setTimeout(() => { setTimeout(() => {
this.getElementTop(); this.getElementTop();
}, 100); }, 100);
@@ -833,6 +836,7 @@
/* 获取元素顶部信息 */ /* 获取元素顶部信息 */
getElementTop() { getElementTop() {
new Promise((resolve, reject) => { new Promise((resolve, reject) => {
let view = uni.createSelectorQuery().selectAll('.main-item'); let view = uni.createSelectorQuery().selectAll('.main-item');
view.boundingClientRect(async data => { view.boundingClientRect(async data => {
@@ -874,14 +878,14 @@
} }
} }
const lastElement = this.topArr[this.topArr.length - 1]; const lastElement = this.topArr[this.topArr.length - 1];
const currentElement = this.topArr[this.leftIndex]; const currentElement = this.topArr[index];
const diff = lastElement - currentElement; const diff = lastElement - currentElement;
console.log(diff) console.log(diff)
// if (diff > this.scrollHeight) { if (diff > this.scrollHeight) {
this.leftIndex = (index < 0 ? 0 : index); this.leftIndex = (index < 0 ? 0 : index);
// } else { } else {
// this.leftIndex = this.leftIndex this.leftIndex = this.leftIndex
// } }
} }
}, },
/* 左侧导航点击 */ /* 左侧导航点击 */
@@ -890,9 +894,7 @@
scrollTop: this.topArr[index] - this.HeighT, scrollTop: this.topArr[index] - this.HeighT,
duration: 0 duration: 0
}); });
setTimeout(() => {
this.leftIndex = index this.leftIndex = index
}, 500)
} }
} }
} }