luoyang-uniapp-app/pages/carEntry/operaAppointment/comp/pickDate.vue

<template>
	<view class="step1">
		<view class="card">
			<view class="dateBox">
				<view class="month-row">
					<view class="month" @click="show=true">{{ currentMonth }}</view>
					<view class="arrow">
						<u-icon name="arrow-down" :size="12" :color="'#1989FA'"></u-icon>
					</view>
				</view>
				<view class="date_row">
					<view class="icon left" @click="changeDateIndex(-1)">
						<u-icon name="arrow-left" :size="12" :color="'#fff'"></u-icon>
					</view>
					<view class="dateArr" >
						<view class="dateWidth"  v-for="(item,index) in dateArr[currentDay]" :key="index"  @click="chooseDate(item)" >
							<u-transition :show="true" mode="fade">
							        <view class="transition">
										<view class="date" :class="{active: chooseDay==item.date}">
											<!-- <view class="dian"></view> -->
											<view class="week">{{ item.week }}</view>
											<view class="num">{{ item.num }}</view>
										</view>
									</view>
							    </u-transition>
							
						</view>
					</view>
					<view class="icon right"  @click="changeDateIndex(1)">
						<u-icon name="arrow-right" :size="12" :color="'#fff'"></u-icon>
					</view>
				</view>
			</view>
		</view>
		
		<view class="card" >
			<view class="timeCon"  v-if="timerArr.length||timerArr2.length">
				<view class="h2"  v-if="timerArr.length">上午</view>
				<view class="time_box">
					<view class="time_item" v-for="(item,index) in timerArr" :key="index" @click="chooseCourse(item)"  :class="{active: (FormData.courseArr.findIndex(val=>val.id==item.id))!=-1, disable: item.status!=0}" >
						<!-- <view class="flex"  v-if="item.status==0">
							<view class="lab">{{ item.appointmentAlreadyCount ||0 }} <text>/</text> {{  item.appointmentSumCount}} </view>
							<view class="iconArrowBg" v-if="item.appointmentAlreadyCount">
								<u-icon name="arrow-right" :size="10" :color="'#fff'"></u-icon>
							</view>
						</view> -->
						<view class="lab" >{{ statusTxt[item.status] }}</view>
						<view class="time">{{ item.classTime }}</view>
					</view>
				</view>
				<view class="h2"  v-if="timerArr2.length">下午</view>
				<view class="time_box">
					<view class="time_item" v-for="(item,index) in timerArr2" :key="index" @click="chooseCourse(item)"   :class="{active: (FormData.courseArr.findIndex(val=>val.id==item.id))!=-1, disable: item.status!=0}">
						<!-- <view class="flex"  v-if="item.status==0">
							<view class="lab">{{ item.appointmentAlreadyCount ||0 }} <text>/</text> {{  item.appointmentSumCount}} </view>
							<view class="iconArrowBg" v-if="item.appointmentAlreadyCount">
								<u-icon name="arrow-right" :size="10" :color="'#fff'"></u-icon>
							</view>
						</view> -->
						<view class="lab" >{{ statusTxt[item.status] }}</view>
						<view class="time">{{ item.classTime }}</view>
					</view>
				</view>
			</view>
			<view class="card" v-if="!timerArr2.length&&!timerArr.length" style="padding: 0 0 60rpx 0;">
				<nodata>暂无预约排课</nodata>
			</view>
		</view>
		
		<u-datetime-picker
				:show="show"
				v-model="chooseMonth"
				:minDate="minDate"
				:maxDate="maxDate"
				mode="year-month"
				@confirm="changeMonth"
				@cancel="show=false"
		></u-datetime-picker>
	</view>
</template>

<script>
	import { getDates, getMonthsBetweenDates } from '@/config/utils.js'
	import {  scheduleClass } from '@/config/api.js'
	export default {
		props: ['step', 'FormData'],
		data() {
			return {
				maxDate: 0,
				minDate: 0,
				monthArr: [],
				show: false,
				dateArr: [],
				currentDay: 0,//当前显示的日期组索引
				chooseDay: '',
				chooseMonth: '',
				timerArr: [],
				statusTxt: ['可预约', '未开放', '已过期', '已约满', '已约过'], //状态0、未过期 1、无排课,2、已过期,3已约满
				timerArr2: [],
				chooseTimerId: '',
				endDate: null,
				startDate: null,
				courseIds: '',
				radioVal: '',
			}
		},
		mounted() {
			this.initDate()
		},
		computed: {
			currentMonth() {
				let tiemr = new Date(this.chooseDay) * 1
				return this.$u.date(tiemr, 'yyyy.mm')
			}
		},
		watch: {
			courseIds: {
				handler(val) {
					let allTimer = [...this.timerArr,...this.timerArr2]
					let total = allTimer.reduce((pre, item)=>{
						if(item.status==1) {
							pre.push(item.classTime)
						}
						return pre
					},[])
					if(total.length==this.courseIds.length) {
						this.radioVal = 0
					}
				}
			}
		},
		methods: {
			// 获得排课
			async scheduleClassFn() {
				uni.showLoading({
					title: '正在加载...'
				})
				this.FormData.courseArr = []
				let obj = {  "coachId": this.FormData.coachId, "trainType": this.FormData.trainType,  "subject": this.FormData.subject,  "classDate": this.chooseDay,  "studentId": this.FormData.studentId}
				const {data: res} = await scheduleClass(obj)
				uni.hideLoading()
				this.timerArr2 = res.afternoonScheduleClass.sort((a,b)=>{
					return parseInt(a.classTime.slice(0,2)) - parseInt(b.classTime.slice(0,2))
				})
				this.timerArr = res.morningScheduleClass.sort((a,b)=>{
					return parseInt(a.classTime.slice(0,2)) - parseInt(b.classTime.slice(0,2))
				})
				// 如果是今天的日期检查有没有过期
				if(this.chooseDay==this.dateArr[0][0].date) {
					let arr = [...this.timerArr,...this.timerArr2]
					arr.forEach(item=>{
						let timer = new Date() * 1
						let date = this.chooseDay+' '+(item.classTime.split('-')[0])
						date = date.replace(/-/g,'/'); 
						let timer2 = new Date(date).getTime();
						if(timer>timer2) {
							item.status = 2
						}
					})
				}
				console.log(this.timerArr)
			},
			// 初始化日期
			async initDate() {
				this.startDate = this.$u.timeFormat(new Date()*1, 'yyyy-mm-dd');
				// 定义一个表示一个月的毫秒数
				this.minDate = new Date()*1
				const oneMonthMilliseconds = 30 * 24 * 60 * 60 * 1000;
				this.maxDate = this.endDate = this.minDate + oneMonthMilliseconds
				
				this.dateArr = getDates(this.startDate, this.endDate);
				this.chooseDay = this.dateArr[0][0].date
				console.log(this.dateArr)
				this.scheduleClassFn()
			},
			// 点击月份
			changeMonth(val) {
				let startDate = this.$u.date(val.value, 'yyyy-mm-dd')
				for(let i=0; i<this.dateArr.length; i++) {
					for(let j=0; j<this.dateArr[i].length; j++) {
						let date = this.dateArr[i][j].date
						if(startDate==date) {
							this.currentDay = i
							this.chooseDay = date
						}
					}
				}
				this.show = false
			},
			// 选择日期
			chooseDate(item) {
				this.chooseDay = item.date
				this.scheduleClassFn()
				// console.log('*****')
				// console.log(this.chooseDay)
			},
			changeDateIndex(num) {
				if(this.currentDay==0&&num==-1) return this.$u.toast('已是可选最小日期')
				if(this.currentDay==this.dateArr.length-1&&num==1) return this.$u.toast('已是可选最大日期')
				this.currentDay = this.currentDay + num
				this.chooseDay = this.dateArr[this.currentDay][0].date
				this.scheduleClassFn()
			},
			chooseCourse(item) {
				if(item.status!=0) return
				let index = this.FormData.courseArr.findIndex(val=>val.id==item.id)
				if( index==-1) {
					// 最大可预约次数
					let arr = [...this.timerArr,...this.timerArr2]
					let status4 = arr.reduce((p,v)=>{
						if(v.status==4) p++
						return p
					},0)
					
					if((status4+this.FormData.courseArr.length)>=4 ){
						this.$u.toast('一天最多能约四节课')
					}else {
						this.FormData.courseArr.push(item)
						// console.log(this.FormData.courseArr)
						this.$emit('updatedForm', this.FormData)
					}
				}else {
					this.FormData.courseArr.splice(index,1)
					this.$emit('updatedForm', this.FormData)
				}
				
			},
		}
	}
</script>

<style lang="scss" scoped>
	.card {
		width: 100%;
		margin-bottom: 24rpx;
		overflow: hidden;
	  .dateBox {
		  padding: 36rpx 0 40rpx 0;
	    .month-row {
			display: flex;
			justify-content: center;
			align-items: center;
			margin-bottom: 36rpx;
	      .month {
			font-size: 32rpx;
			color: $themC;
	      }
	
	      .arrow {
	       margin-left: 6rpx;
	      }
	    }
	
	    .date_row {
			width: 100%;
			height: 100rpx;
			position: relative;
	      .icon {
			width: 40rpx;
			height: 40rpx;
			background: rgba(51,51,51,0.18);
			backdrop-filter: blur(4rpx);
			position: absolute;
			top: 50%;
			transform: translateY(-50%);
			display: flex;
			align-items: center;
			justify-content: center;
			border-radius: 50%;
			&.left {
				left: 16rpx;
			}
			&.right {
				right: 16rpx;
			}
	      }
	
	      .dateArr {
			  display: flex;
			  padding: 0 70rpx;
			  // justify-content: space-between;
			  &.oneDate {
				  justify-content: center;
			  }
			  .dateWidth {
				  width: 20%;
				  display: flex;
				  justify-content: center;
			  }
	        .date {
				width: 74rpx;
				height: 100rpx;
				border-radius: 16rpx;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				font-size: 28rpx;
				color: #333;
				.dian {
					width: 12rpx;
					height: 12rpx;
					background: #D8D8D8;
					border-radius: 50%;
					&.active {
						background: #1989FA;
					}
				}
				&.active {
					background: rgba(25,137,250,0.1);
					border: 2rpx solid #1989FA;
					color: $themC;
				}
	          .week {
	
	          }
	
	          .num {
				margin-top: 4rpx;
	          }
	        }
	      }
	    }
	  }
	}
	
	.card {
		.timeCon {
			padding: 0 24rpx 40rpx 24rpx;
		}
	  .h2 {
			line-height: 90rpx;
			font-weight: 500;
			color: #333;
	  }
	
	  .time_box {
		  display: flex;
		  flex-wrap: wrap;
		  justify-content: space-between;
		  &::after{
		            display:block;
					content:"";
					width: 32%;
					height:0px;
		          }
	    .time_item {
			width: 30%;
			height: 120rpx;
			background: #F8F8F8;
			border-radius: 12rpx;
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			border-radius: 12rpx;
			margin-bottom: 20rpx;
			color: #333;
			&.active {
				background: rgba(25,137,250,0.1);
				border: 2rpx solid #1989FA;
				color: $themC;
			}
			&.disable {
				opacity: 0.4;
			}
	      .lab {
			font-size: 28rpx;
			font-weight: 500;
	      }
	
	      .time {
			font-size: 24rpx;
			margin-top: 4rpx;
	      }
	    }
	  }
	}
	
	.btn {
		width: 47%;
		height: 72rpx;
		background: #1989FA;
		border-radius: 8rpx;
		font-size: 28rpx;
		color: #fff;
		text-align: center;
		line-height: 72rpx;
		margin: 108rpx auto 50rpx auto;
	}
	.iconArrowBg {
		background: #D8D8D8;
		width: 26rpx;
		height: 26rpx;
		border-radius: 50%;
		display: flex;
		justify-content: center;
		align-items: center;
		margin-left: 4px;
	}
	.step2 {
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding-bottom: 40px;
		.btnBg {
			width: 310rpx;
		}
	}
</style>