scroll-view.vue
2.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
<template>
<view>
<page-head title="scroll-view,区域滚动视图"></page-head>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-title uni-common-mt">
Vertical Scroll
<text>\n纵向滚动</text>
</view>
<view>
<scroll-view :scroll-top="scrollTop" scroll-y="true" class="scroll-Y" @scrolltoupper="upper" @scrolltolower="lower"
@scroll="scroll">
<view id="demo1" class="scroll-view-item uni-bg-red">A</view>
<view id="demo2" class="scroll-view-item uni-bg-green">B</view>
<view id="demo3" class="scroll-view-item uni-bg-blue">C</view>
</scroll-view>
</view>
<view @tap="goTop" class="uni-link uni-center uni-common-mt">
点击这里返回顶部
</view>
<view class="uni-title uni-common-mt">
Horizontal Scroll
<text>\n横向滚动</text>
</view>
<view>
<scroll-view class="scroll-view_H" scroll-x="true" @scroll="scroll" scroll-left="120">
<view id="demo1" class="scroll-view-item_H uni-bg-red">A</view>
<view id="demo2" class="scroll-view-item_H uni-bg-green">B</view>
<view id="demo3" class="scroll-view-item_H uni-bg-blue">C</view>
</scroll-view>
</view>
<view class="uni-common-pb"></view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
scrollTop: 0,
old: {
scrollTop: 0
}
}
},
methods: {
upper: function(e) {
console.log(e)
},
lower: function(e) {
console.log(e)
},
scroll: function(e) {
console.log(e)
this.old.scrollTop = e.detail.scrollTop
},
goTop: function(e) {
// 解决view层不同步的问题
this.scrollTop = this.old.scrollTop
this.$nextTick(function() {
this.scrollTop = 0
});
uni.showToast({
icon:"none",
title:"纵向滚动 scrollTop 值已被修改为 0"
})
}
}
}
</script>
<style>
.scroll-Y {
height: 300rpx;
}
.scroll-view_H {
white-space: nowrap;
width: 100%;
}
.scroll-view-item {
height: 300rpx;
line-height: 300rpx;
text-align: center;
font-size: 36rpx;
}
.scroll-view-item_H {
display: inline-block;
width: 100%;
height: 300rpx;
line-height: 300rpx;
text-align: center;
font-size: 36rpx;
}
</style>