uni 다중 선택 상자의 값을 가져오고 삭제하는 방법, uni 기술 창고

45097 단어 필기
uni 다중 선택 상자의 값을 가져오고 삭제하는 방법
<template>
	<view class="page ">
		<scroll-view class="scrollList" scroll-y :scroll-into-view="scrollViewId" :style="{height:winHeight + 'px'}">
			<view class="uni-list">
				<block v-for="(list, key) in lists" :key="key">
					<block v-if="list.data.length">
						<view class="uni-list-cell-divider" :id="list.letter">
							{
     {
     list.letter}}
						</view>
						<view class="uni-list-cell" hover-class="uni-list-cell-hover" v-for="(item,index) in list.data" :key="item"
						 :class="list.data.length -1 == index ? 'uni-list-cell-last' : ''">
							<checkbox-group>
								<view class="uni-list-cell-navigate ">
									<view>
										<checkbox :value="item" :checked="item.checked" @tap='checkboxs(item)' />
									</view>
									<view class="list-left">
										{
     {
     item}}
									</view>
									<view class="list-left font-color">
										{
     {
     gender}} {
     {
     studentID}}
									</view>
									<!-- <view class="uni-list-cell-navigate font-color" >
									{
     {
     gender}} {
     {
     studentID}}
								</view> -->
								</view>
							</checkbox-group>
						</view>
					</block>
				</block>
			</view>
		</scroll-view>
		<view class="uni-indexed-list-bar" :class="touchmove ? 'active' : ''" @touchstart="touchStart" @touchmove="touchMove"
		 @touchend="touchEnd" @touchcancel="touchCancel" :style="{height:winHeight + 'px'}">
			<text v-for="(list,key) in lists" :key="key" class="uni-indexed-list-text" :class="touchmoveIndex == key ? 'active' : ''"
			 :style="{height:itemHeight + 'px',lineHeight:itemHeight + 'px'}">{
     {
     list.letter}}</text>
		</view>
		<view class="uni-indexed-list-alert" v-if="touchmove">
			{
     {
     lists[touchmoveIndex].letter}}
		</view>
		<fab @tap='add'></fab>
	</view>
</template>

<script>
	import fab from '@/components/fab/fab.vue'
	var airportDate = require("@/common/js/airport.js");
	export default {
     
		components: {
     
			fab
		},
		data() {
     
			return {
     
				title: 'grid',
				lists: airportDate.list,
				touchmove: false,
				touchmoveIndex: -1,
				itemHeight: 0,
				winHeight: 0,
				scrollViewId: "A",
				titleHeight: 0,
				gender: ' ',
				studentID: '12015245066',
				select_list_data: []
			}
		},
		onLoad() {
     
			let winHeight = uni.getSystemInfoSync().windowHeight;
			this.itemHeight = winHeight / 26;
			this.winHeight = winHeight;
			// this.lists.forEach(item => {
     
			// 	item.data.forEach(list => {
     
			// 		// list.checked = false;
			// 		console.log(list)
			// 	})
			// });
		},
		methods: {
     
			add() {
     
				var that = this
				console.log(that.arr)
				uni.navigateTo({
     
					url: '/view/teacher/teacherReason'
				});
			},
			//             
			checkboxs(e) {
     
				console.log('checkboxs e:', e)
				var that = this
				console.log('that.select_list_data:', that.select_list_data)
				//       
				Array.prototype.pushNoRepeat = function(){
     
					for(var i=0; i<arguments.length; i++){
     
						var ele = arguments[i];
						if(this.indexOf(ele) == -1){
     
							this.push(ele);
						}
					}
				};
				//       :   
				Array.prototype.remove=function(dx)
				{
     
					if(isNaN(dx)||dx>this.length){
     return false;}
					for(var i=0,n=0;i<this.length;i++)
					{
     
						if(this[i]!=this[dx])
						{
     
							this[n++]=this[i]
						}
					}
					this.length-=1
				};
				if(that.select_list_data.length === 0){
     
					that.select_list_data.pushNoRepeat(e);
					return;
				}
				var select_list_data_temp = that.select_list_data;
					select_list_data_temp.forEach(function(value, i) {
     
						console.log("i", i);
						console.log("value", value);
						if (value === e) {
     
							console.log("  ");
							select_list_data_temp.remove(i);
						}else{
     
							select_list_data_temp.pushNoRepeat(e);
						}
					});
					that.select_list_data = select_list_data_temp;
			},

			//==============uni    =====================
			touchStart(e) {
     
				this.touchmove = true;
				let pageY = e.touches[0].pageY;
				let index = Math.floor((pageY - this.titleHeight) / this.itemHeight);
				let item = this.lists[index];
				if (item) {
     
					this.scrollViewId = item.letter;
					this.touchmoveIndex = index;
				}
			},
			touchMove(e) {
     
				let pageY = e.touches[0].pageY;
				let index = Math.floor((pageY - this.titleHeight) / this.itemHeight);
				let item = this.lists[index];
				if (item) {
     
					this.scrollViewId = item.letter;
					this.touchmoveIndex = index;
				}
			},
			touchEnd() {
     
				this.touchmove = false;
				this.touchmoveIndex = -1;
			},
			touchCancel() {
     
				this.touchmove = false;
				this.touchmoveIndex = -1;
			}
		}
	}
</script>

<style>

</style>




배열에 필드 추가하기 (두 가지 방법)
요구: 두 개의 그룹을 가져왔습니다. 한 그룹의 대상을 꺼내서 다른 그룹에 추가해야 합니다.페이지에서 두루 사용하기 편리하도록 하다
	add() {
      // webSocket                
				var that = this
				//    for
				var leave = []
				//  webSocket  
				that.studentInfo.forEach(function(item) {
     
					// console.log('additem',item.leave_school_status)
					that.leave = item.leave_school_status    //     
					// console.log('that.leave', that.leave)
					//              
					for (var i = 0; i < that.Lists.length; i++) {
     
						console.log('additem', item.id)
						// console.log('that.leave', that.Lists[i].id)
						if (item.id == that.Lists[i].id) {
       //    id        
							//id             
							that.Lists[i]['leave_school_status'] = that.leave
							// console.log('that.Lists[i]', that.Lists[i])
							break
						}
					}
				})
				
				//   
				var Info =[]
				//  websocket     
				that.studentInfo.forEach(function(item){
     
					Info[(item.id).toString()] = item  // id    ,             
				})
				// that.Infos = Info
				console.log('that.Info',Info)
				//          
				that.Lists.forEach(function(list){
     
					//         ,  websocket       
					list.leave_school_status = Info[list.id].leave_school_status
					//  websocket       
					list.count_number =Info[list.id].count_number
					console.log('list',list)
				})
			},




디지털 중간 생략 필터
방법 국부 사용 필터 방법 2 정의 필터 방법
		<p class="user-info-nickname">{
     {
     '18795389299' | ellipsis }}</p>
		<p class="user-info-nickname">{
     {
     toHide('18795389299') }}</p>
					

	//   
	filters: {
     
			ellipsis(value) {
     
				let len = value.length;
				return `${
       value.substring(0, 3)}****${
        value.substring(len - 2, len)}`
			}
		},
	//   
	toHide(array) {
     
				var mphone = array.substring(0, 3) + '****' + array.substring(7);
				return mphone;
	},

동적 설정:calss 스타일 및 애니메이션
<view class="uni-swiper-tab "  :class="{'animated fadeInRight':showAnimation===true}">
	
	details() {
     
			console.log('    ')
			this.showAnimation = true
		},


좋은 웹페이지 즐겨찾기