微信小程序获取复选框全选反选选中的值(实例代码)
wxml文件
<view class="tr"> <view class="th"> <checkbox bindtap="selectall" />全选 </view> <view class="th">id</view> <view class="th">名称</view> </view> <checkbox-group bindchange="checkboxChange"> <view class="tr" wx:for="{{listData}}" wx:key=""> <view class="td"> <checkbox value="{{item.code}}" checked="{{item.checked}}" /> </view> <view class="td" value="{{item.text}}">{{item.code}}</view> <view class="td" value="{{item.text}}">{{item.text}}</view> </view> </checkbox-group>
wxss文件
.table{ background-color: #fff; border:1px solid #dadada; width:1200rpx; margin-left:0rpx; } .tr{ background-color: #dadada; white-space: nowrap; width:100%; display: flex; text-align: center; justify-content: center; } .th{ background-color: #fff999; text-align: center; justify-content: center; width: 100%; border-bottom: 1px solid #dadada; border-right: 1px solid #dadada; } .td{ background-color: #fff; text-align: center; justify-content: center; width: 100%; border-bottom: 1px solid #dadada; border-right: 1px solid #dadada; }
js文件
Page({ data: { select_all: false, listData: [ { code: "1", text: "测试1" }, { code: "2", text: "测试2"}, { code: "3", text: "测试3"} ], batchIds: '', //选中的ids }, //全选与反全选 selectall: function (e) { console.log(e) var that = this; var arr = []; //存放选中id的数组 for (let i = 0; i < that.data.listData.length; i++) { that.data.listData[i].checked = (!that.data.select_all) if (that.data.listData[i].checked == true){ // 全选获取选中的值 arr = arr.concat(that.data.listData[i].code.split(',')); } } console.log(arr) that.setData({ listData: that.data.listData, select_all: (!that.data.select_all), batchIds:arr }) }, // 单选 checkboxChange: function (e) { console.log(e.detail.value) this.setData({ batchIds: e.detail.value //单个选中的值 }) }, })
效果图:
总结
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