uniapp中checkbox-group多選的全選和取消全選
阿新 • • 發佈:2022-12-08
<!--樣本送檢列表--> <template> <view class="list-bg"> <view class="main padding30"> <view class="box-card" v-for="(item,index) in RecordList" :key="index"> <view class="list"> <view> <view> <text class="text1-style">編號:</text> <text class="text2-style">{{item.ID}}</text> </view> <view><text class="text1-style">時間:</text> <text class="text2-style">{{item.Datetime}}</text> </view> <view> <text class="text1-style">人數:</text> <text class="text2-style">{{item.Amount}}</text> </view> </view> <!--選中圖示--> <checkbox-group @change="checkSelectItem($event, item)"> <label> <checkbox :value="item.value" :checked="item.checked" /> </label> </checkbox-group> </view> </view> </view> <!--按扭--> <view class="login-btn-box padding30"> <view style="margin-top:30rpx;"> <checkbox-group @change="checkSelect" > <label style="display: flex;"> <checkbox :checked="checkTrue"></checkbox> <text>全選</text> </label> </checkbox-group> </view> </view> </view> </template> <script> var _this; export default { data() { return { checkTrue: false, //全選選中 //列表 RecordList: [{ ID: '44568745', Name: '張三', Datetime: '2022-05-25 15:30', Amount: '20', value: '1', }, { ID: '44568746', Name: '李四', Datetime: '2022-05-25 15:30', Amount: '20', value: '2', }], }; }, methods: { //全選 checkSelect() { if (this.checkTrue == true) { this.checkTrue = false; // 遍歷RecordList陣列 取消全選 this.RecordList.forEach(item => { this.$set(item, 'checked', false) }) } else { this.checkTrue = true; // 遍歷RecordList陣列 設定全選 this.RecordList.forEach(item => { this.$set(item, 'checked', true) }) } }, checkSelectItem(e, item) { // 如果是取消選中,就把checked置為false,如果是選中,就給新增一個checked=true if (item.checked == true) { this.$set(item, 'checked', false) } else { this.$set(item, 'checked', true) } // 過濾出陣列中checked為true的專案,如果和原RecordList長度相等,就全選顯示 let newArr = this.RecordList.filter(item => (item.checked == true)) if (newArr.length === this.RecordList.length) { this.checkTrue = true; } else { this.checkTrue = false; } }, } }; </script> <style lang="scss" scoped> /*通用頁面背景*/ .list-bg { width: 100%; height: 100vh; } /*卡片樣式*/ .box-card { margin-bottom: 30rpx; margin-top: 10rpx; } .list { display: flex; align-items: center; justify-content: space-between; } .text1-style { color: black; font-size: 30rpx; margin-right: 10rpx; } .text2-style { color: gray; font-size: 30rpx; } .date-style { margin: 20rpx 0rpx; } .login-btn-box { width: 100%; position: fixed; bottom: 5vh; } .login-btn { width: 85%; clear: both; margin-bottom: 1vh; left: 8%; z-index: 999; transform: translateZ(0); bottom: env(safe-area-inset-bottom); bottom: constant(safe-area-inset-bottom); } </style>