微信小程序全选多选效果实现代码解析
这篇文章主要介绍了微信小程序全选多选效果实现代码解析,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下
效果图：
wxml代码：
<view class="memberList">
<view class="allSelect_box" bindtap='selectAll'>
<checkbox class="checkbox" checked="{{selectilall}}"/>
<text class="allSelect">全选</text>
</view>
<view wx:for="{{list}}">
<view class="member_box" data-index="{{index}}" data-name="{{item.id}}" bindtap='select'>
<checkbox class="checkbox" checked="{{item.checked}}"/>
<image src="../../assets/img/user_img.jpg" mode="widthFix" class="avatar"></image>
<view>
<view class="applicant_name">汪小涵 <text>管理员</text> </view>
<view class="approval_state">总监</view>
</view>
</view>
</view>
</view>
wxss代码：
.memberList{
background:#fff;
padding:0 35rpx 0 28rpx;
}
.allSelect_box{
line-height:90rpx;
border-bottom:1rpx solid #F5F5F5;
}
.checkbox{
transform: scale(0.7,0.7);
}
.member_box .checkbox{
margin-top: 15rpx;
}
checkbox .wx-checkbox-input.wx-checkbox-input-checked {
color:#fff;
background: #6669e3;
border-color:#6669e3;
}
.allSelect{
margin-left:15rpx;
vertical-align:middle;
}
.member_box{
padding-bottom:30rpx;
display: flex;
border-bottom:2rpx solid #EBEBEB;
padding:20rpx 0 20rpx 0;
}
.avatar{
width:100rpx;
border-radius:50%;
margin-left:15rpx;
}
.applicant_name{
font-size:34rpx;
padding:0 0 15rpx 30rpx;
}
.applicant_name text{
color:#fff;
background:#6669e3;
font-size:28rpx;
padding:5rpx 10rpx;
border-radius:10rpx;
margin-left:15rpx;
}
.approval_state{
color:#8D8D8D;
font-size:28rpx;
padding-left: 30rpx;
}
js代码：
data: {
list: [
{ id: 1, name: 1, checked: false },
{ id: 2, name: 2, checked: false },
{ id: 3, name: 3, checked: false },
{ id: 4, name: 4, checked: false },
],
selectilall: false
},
//单选
select: function (e) {
let selectValue = e.currentTarget.dataset.name
let index = e.currentTarget.dataset.index;
let list = this.data.list
let newli = 'list[' + index + '].checked';
this.setData({
[newli]: !this.data.list[index].checked
})
let num = 0;
for(var i=0;i<this.data.list.length;i++){
if(this.data.list[i].checked){
num++;
}
}
if(num == this.data.list.length){
this.setData({
selectilall: true
})
}else{
this.setData({
selectilall: false
})
}
},
//全选，取消全选
selectAll: function (e) {
let list = this.data.list;
let selectilall = this.data.selectilall;
if (selectilall == false) {
for (let i = 0; i < list.length; i++) {
let newli = 'list[' + i + '].checked';
this.setData({
[newli]: true,
selectilall: true
})
}
} else {
for (let i = 0; i < list.length; i++) {
let newli = 'list[' + i + '].checked';
this.setData({
[newli]: false,
selectilall: false
})
}
}
}
