251 lines
6.6 KiB
Vue
251 lines
6.6 KiB
Vue
<template>
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<view class="w-picker-view">
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<picker-view class="d-picker-view" :indicator-style="itemHeight" :value="pickVal" @change="handlerChange">
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<picker-view-column>
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<view class="w-picker-item" v-for="(item,index) in range.dates" :key="index">{{item.label}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="w-picker-item" v-for="(item,index) in range.hours" :key="index">{{item.label}}时</view>
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</picker-view-column>
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<picker-view-column>
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<view class="w-picker-item" v-for="(item,index) in range.minutes" :key="index">{{item.label}}分</view>
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</picker-view-column>
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</picker-view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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pickVal:[],
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range:{},
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checkObj:{}
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};
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},
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props:{
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itemHeight:{
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type:String,
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default:"44px"
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},
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value:{
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type:[String,Array,Number],
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default:""
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},
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current:{//是否默认选中当前日期
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type:Boolean,
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default:false
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},
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expand:{
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type:[Number,String],
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default:30
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}
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},
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watch:{
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value(val){
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this.initData();
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}
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},
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created() {
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this.initData();
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},
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methods:{
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formatNum(n){
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return (Number(n)<10?'0'+Number(n):Number(n)+'');
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},
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checkValue(value){
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let strReg=/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}(:\d{2})?$/,example="2019-12-12 18:05:00或者2019-12-12 18:05";
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if(!strReg.test(value)){
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console.log(new Error("请传入与mode、fields匹配的value值，例value="+example+""))
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}
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return strReg.test(value);
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},
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resetData(year,month,day){
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let curDate=this.getCurrenDate();
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let curFlag=this.current;
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let curYear=curDate.curYear;
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let curMonth=curDate.curMonth;
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let curDay=curDate.curDay;
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let curHour=curDate.curHour;
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let months=[],days=[],sections=[];
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let disabledAfter=this.disabledAfter;
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let monthsLen=disabledAfter?(year*1<curYear?12:curMonth):12;
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let totalDays=new Date(year,month,0).getDate();//计算当月有几天;
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for(let month=1;month<=monthsLen;month++){
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months.push(this.formatNum(month));
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};
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for(let day=1;day<=daysLen;day++){
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days.push(this.formatNum(day));
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}
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return{
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months,
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days,
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sections
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}
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},
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getData(dVal){
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//用来处理初始化数据
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let curFlag=this.current;
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let disabledAfter=this.disabledAfter;
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let dates=[],hours=[],minutes=[];
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let curDate=new Date();
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let curYear=curDate.getFullYear();
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let curMonth=curDate.getMonth();
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let curDay=curDate.getDate();
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let aDate=new Date(curYear,curMonth,curDay);
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for(let i=0;i<this.expand*1;i++){
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aDate=new Date(curYear,curMonth,curDay+i);
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let year=aDate.getFullYear();
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let month=aDate.getMonth()+1;
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let day=aDate.getDate();
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let label=year+"-"+this.formatNum(month)+"-"+this.formatNum(day);
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switch(i){
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case 0:
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label="今天";
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break;
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case 1:
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label="明天";
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break;
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case 2:
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label="后天";
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break
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}
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dates.push({
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label:label,
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value:year+"-"+this.formatNum(month)+"-"+this.formatNum(day)
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})
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};
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for(let i=0;i<24;i++){
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hours.push({
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label:this.formatNum(i),
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value:this.formatNum(i)
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})
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}
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for(let i=0;i<60;i++){
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minutes.push({
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label:this.formatNum(i),
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value:this.formatNum(i)
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})
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}
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return {
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dates,
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hours,
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minutes
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}
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},
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getDefaultDate(){
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let value=this.value;
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let reg=/-/g;
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let defaultDate=value?new Date(value.replace(reg,"/")):new Date();
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let defaultYear=defaultDate.getFullYear();
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let defaultMonth=defaultDate.getMonth()+1;
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let defaultDay=defaultDate.getDate();
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let defaultDays=new Date(defaultYear,defaultMonth,0).getDate()*1;
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return{
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defaultDate,
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defaultYear,
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defaultMonth,
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defaultDay,
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defaultDays
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}
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},
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getDval(){
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let value=this.value;
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let dVal=null;
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let aDate=new Date();
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let year=this.formatNum(aDate.getFullYear());
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let month=this.formatNum(aDate.getMonth()+1);
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let day=this.formatNum(aDate.getDate());
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let date=this.formatNum(year)+"-"+this.formatNum(month)+"-"+this.formatNum(day);
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let hour=aDate.getHours();
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let minute=aDate.getMinutes();
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if(value){
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let flag=this.checkValue(value);
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if(!flag){
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dVal=[date,hour,minute]
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}else{
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let v=value.split(" ");
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dVal=[v[0],...v[1].split(":")];
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}
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}else{
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dVal=[date,hour,minute]
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}
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return dVal;
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},
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initData(){
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let startDate,endDate,startYear,endYear,startMonth,endMonth,startDay,endDay;
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let dates=[],hours=[],minutes=[];
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let dVal=[],pickVal=[];
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let value=this.value;
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let reg=/-/g;
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let range={};
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let result="",full="",date,hour,minute,obj={};
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let defaultDate=this.getDefaultDate();
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let defaultYear=defaultDate.defaultYear;
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let defaultMonth=defaultDate.defaultMonth;
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let defaultDay=defaultDate.defaultDay;
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let defaultDays=defaultDate.defaultDays;
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let curFlag=this.current;
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let disabledAfter=this.disabledAfter;
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let dateData=[];
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dVal=this.getDval();
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dateData=this.getData(dVal);
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dates=dateData.dates;
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hours=dateData.hours;
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minutes=dateData.minutes;
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pickVal=[
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dates.findIndex(n => n.value == dVal[0])!=-1?dates.findIndex(n => n.value == dVal[0]):0,
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hours.findIndex(n => n.value == dVal[1])!=-1?hours.findIndex(n => n.value == dVal[1]):0,
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minutes.findIndex(n => n.value == dVal[2])!=-1?minutes.findIndex(n => n.value == dVal[2]):0,
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];
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range={dates,hours,minutes};
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date=dVal[0]?dVal[0]:dates[0].label;
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hour=dVal[1]?dVal[1]:hours[0].label;
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minute=dVal[2]?dVal[2]:minutes[0].label;
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result=full=`${date+' '+hour+':'+minute}`;
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obj={
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date,
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hour,
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minute
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}
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this.range=range;
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this.checkObj=obj;
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this.$nextTick(()=>{
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this.pickVal=pickVal;
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});
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this.$emit("change",{
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result:result,
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value:full,
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obj:obj
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})
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},
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handlerChange(e){
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let arr=[...e.detail.value];
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let data=this.range;
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let date="",hour="",minute="";
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let result="",full="",obj={};
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let disabledAfter=this.disabledAfter;
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date=(arr[0]||arr[0]==0)?data.dates[arr[0]]||data.dates[data.dates.length-1]:"";
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hour=(arr[1]||arr[1]==0)?data.hours[arr[1]]||data.hours[data.hours.length-1]:"";
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minute=(arr[2]||arr[2]==0)?data.minutes[arr[2]]||data.minutes[data.minutes.length-1]:"";
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result=full=`${date.label+' '+hour.label+':'+minute.label+':00'}`;
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obj={
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date,
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hour,
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minute
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}
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this.checkObj=obj;
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this.$emit("change",{
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result:result,
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value:full,
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obj:obj
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})
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}
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}
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}
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</script>
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<style lang="scss">
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@import "./w-picker.css";
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</style>
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