index.wxml
<!--wxml--> <view class='wrap'> <view class='checkbox-con'> <checkbox-group bindchange="checkboxChange"> <label class="{{item.checked?'checkbox checked':'checkbox'}}" wx:for="{{checkboxArr}}" bindtap='checkbox' data-index="{{index}}" wx:key="item.name"> <checkbox value="{{item.name}}" checked="{{item.checked}}"/>{{item.name}} </label> </checkbox-group> <button type='primary' bindtap='confirm'>提交</button> </view> </view>
index.js
Page({ data: { checkboxArr: [{ name: '选项A', checked: false }, { name: '选项B', checked: false }, { name: '选项C', checked: false }, { name: '选项D', checked: false }, { name: '选项E', checked: false }, { name: '选项F', checked: false }], }, checkbox: function (e) { var index = e.currentTarget.dataset.index;//获取当前点击的下标 var checkboxArr = this.data.checkboxArr;//选项集合 checkboxArr[index].checked = !checkboxArr[index].checked;//改变当前选中的checked值 this.setData({ checkboxArr: checkboxArr }); }, checkboxChange: function (e) { var checkValue = e.detail.value; this.setData({ checkValue: checkValue }); }, confirm: function() {// 提交 console.log(this.data.checkValue)//所有选中的项的value }, })
index.wxss
.wrap{ width: 550rpx; margin: 50rpx auto } .checkbox-con{ margin-top: 40rpx; text-align: center } .checkbox{ width: 260rpx; height: 72rpx; line-height: 72rpx; font-size: 28rpx; color: #888888; border: 1rpx solid #CECECE; border-radius: 5rpx; display: inline-block; margin: 0 10rpx 20rpx 0; position: relative } .checked{ color: #1A92EC; background: rgba(49,165,253,0.08); border: 1rpx solid #31A5FD; } .checkbox checkbox{ display: none } .checked-img{ width: 28rpx; height: 28rpx; position: absolute; top: 0; right: 0 }
模拟实现单选框
index2.wxml
<!--wxml--><view class='wrap'> <view class='checkbox-con'> <radio-group bindchange="radioChange"> <label class="{{item.checked?'checkbox checked':'checkbox'}}" wx:for="{{checkboxArr}}" bindtap='radio' data-index="{{index}}" wx:key="item.name"> <checkbox value="{{item.name}}" checked="{{item.checked}}"/>{{item.name}} </label> </radio-group> <button type='primary' bindtap='confirm'>提交</button> </view></view>
index2.js
Page({ data: { checkboxArr: [{ name: '选项A', checked: false }, { name: '选项B', checked: false }, { name: '选项C', checked: false }, { name: '选项D', checked: false }, { name: '选项E', checked: false }, { name: '选项F', checked: false }], }, radio: function (e) { var index = e.currentTarget.dataset.index;//获取当前点击的下标 var checkboxArr = this.data.checkboxArr;//选项集合 if (checkboxArr[index].checked) return;//如果点击的当前已选中则返回 checkboxArr.forEach(item => { item.checked = false }) checkboxArr[index].checked = true;//改变当前选中的checked值 this.setData({ checkboxArr: checkboxArr }); }, radioChange: function (e) { var checkValue = e.detail.value; this.setData({ checkValue: checkValue }); }, confirm: function() {// 提交 console.log(this.data.checkValue)//所有选中的项的value }, })
index2.wxss
.wrap{ width: 550rpx; margin: 50rpx auto } .checkbox-con{ margin-top: 40rpx; text-align: center } .checkbox{ width: 260rpx; height: 72rpx; line-height: 72rpx; font-size: 28rpx; color: #888888; border: 1rpx solid #CECECE; border-radius: 5rpx; display: inline-block; margin: 0 10rpx 20rpx 0; position: relative } .checked{ color: #1A92EC; background: rgba(49,165,253,0.08); border: 1rpx solid #31A5FD; } .checkbox checkbox{ display: none } .checked-img{ width: 28rpx; height: 28rpx; position: absolute; top: 0; right: 0 }
来源:https://www.cnblogs.com/wuli-cxr/p/8963726.html