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345 lines
9.7 KiB
345 lines
9.7 KiB
<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.years" :key="index">{{item}}年</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.months" :key="index">{{item}}月</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.days" :key="index">{{item}}日</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.sections" :key="index">{{item}}</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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startYear:{ |
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type:String, |
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default:"" |
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}, |
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endYear:{ |
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type:String, |
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default:"" |
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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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disabledAfter:{//是否禁用当前之后的日期 |
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type:Boolean, |
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default:false |
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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} [\u4e00-\u9fa5]{2}$/,example; |
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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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let daysLen=disabledAfter?((year*1<curYear||month*1<curMonth)?totalDays:curDay):totalDays; |
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let sectionFlag=disabledAfter?((year*1<curYear||month*1<curMonth||day*1<curDay)==true?false:true):(curHour>12==true?true:false); |
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sections=["上午","下午"]; |
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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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if(sectionFlag){ |
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sections=["上午"]; |
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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 curDate=this.getCurrenDate(); |
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let curYear=curDate.curYear; |
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let curMonthdays=curDate.curMonthdays; |
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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 defaultDate=this.getDefaultDate(); |
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let startYear=this.getStartDate().getFullYear(); |
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let endYear=this.getEndDate().getFullYear(); |
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let years=[],months=[],days=[],sections=[]; |
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let year=dVal[0]*1; |
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let month=dVal[1]*1; |
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let day=dVal[2]*1; |
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let monthsLen=disabledAfter?(year<curYear?12:curDate.curMonth):12; |
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let daysLen=disabledAfter?((year<curYear||month<curMonth)?defaultDate.defaultDays:curDay):(curFlag?curMonthdays:defaultDate.defaultDays); |
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let sectionFlag=disabledAfter?((year*1<curYear||month*1<curMonth||day*1<curDay)==true?false:true):(curHour>12==true?true:false); |
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for(let year=startYear;year<=(disabledAfter?curYear:endYear);year++){ |
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years.push(year.toString()) |
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} |
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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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if(sectionFlag){ |
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sections=["下午"]; |
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}else{ |
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sections=["上午","下午"]; |
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} |
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return { |
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years, |
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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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getCurrenDate(){ |
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let curDate=new Date(); |
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let curYear=curDate.getFullYear(); |
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let curMonth=curDate.getMonth()+1; |
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let curMonthdays=new Date(curYear,curMonth,0).getDate(); |
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let curDay=curDate.getDate(); |
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let curHour=curDate.getHours(); |
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let curSection="上午"; |
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if(curHour>=12){ |
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curSection="下午"; |
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} |
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return{ |
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curDate, |
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curYear, |
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curMonth, |
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curMonthdays, |
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curDay, |
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curHour, |
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curSection |
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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.split(" ")[0].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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getStartDate(){ |
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let start=this.startYear; |
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let startDate=""; |
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let reg=/-/g; |
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if(start){ |
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startDate=new Date(start+"/01/01"); |
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}else{ |
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startDate=new Date("1970/01/01"); |
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} |
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return startDate; |
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}, |
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getEndDate(){ |
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let end=this.endYear; |
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let reg=/-/g; |
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let endDate=""; |
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if(end){ |
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endDate=new Date(end+"/12/31"); |
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}else{ |
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endDate=new Date(); |
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} |
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return endDate; |
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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 hour=aDate.getHours(); |
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let section="上午"; |
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if(hour>=12)section="下午"; |
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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=[year,month,day,section] |
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}else{ |
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let v=value.split(" "); |
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dVal=[...v[0].split("-"),v[1]]; |
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} |
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}else{ |
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dVal=[year,month,day,section] |
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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 years=[],months=[],days=[],sections=[]; |
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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="",year,month,day,section,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 curDate=this.getCurrenDate(); |
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let curYear=curDate.curYear; |
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let curMonth=curDate.curMonth; |
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let curMonthdays=curDate.curMonthdays; |
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let curDay=curDate.curDay; |
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let curSection=curDate.curSection; |
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let dateData=[]; |
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dVal=this.getDval(); |
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startDate=this.getStartDate(); |
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endDate=this.getEndDate(); |
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startYear=startDate.getFullYear(); |
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startMonth=startDate.getMonth(); |
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startDay=startDate.getDate(); |
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endYear=endDate.getFullYear(); |
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endMonth=endDate.getMonth(); |
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endDay=endDate.getDate(); |
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dateData=this.getData(dVal); |
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years=dateData.years; |
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months=dateData.months; |
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days=dateData.days; |
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sections=dateData.sections; |
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pickVal=disabledAfter?[ |
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dVal[0]&&years.indexOf(dVal[0])!=-1?years.indexOf(dVal[0]):0, |
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dVal[1]&&months.indexOf(dVal[1])!=-1?months.indexOf(dVal[1]):0, |
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dVal[2]&&days.indexOf(dVal[2])!=-1?days.indexOf(dVal[2]):0, |
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dVal[3]&§ions.indexOf(dVal[3])!=-1?sections.indexOf(dVal[3]):0 |
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]:(curFlag?[ |
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years.indexOf(curYear+''), |
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months.indexOf(this.formatNum(curMonth)), |
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days.indexOf(this.formatNum(curDay)), |
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sections.indexOf(curSection), |
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]:[ |
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dVal[0]&&years.indexOf(dVal[0])!=-1?years.indexOf(dVal[0]):0, |
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dVal[1]&&months.indexOf(dVal[1])!=-1?months.indexOf(dVal[1]):0, |
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dVal[2]&&days.indexOf(dVal[2])!=-1?days.indexOf(dVal[2]):0, |
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dVal[3]&§ions.indexOf(dVal[3])!=-1?sections.indexOf(dVal[3]):0 |
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]); |
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range={years,months,days,sections}; |
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year=dVal[0]?dVal[0]:years[0]; |
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month=dVal[1]?dVal[1]:months[0]; |
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day=dVal[2]?dVal[2]:days[0]; |
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section=dVal[3]?dVal[3]:sections[0]; |
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result=full=`${year+'-'+month+'-'+day+' '+section}`; |
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obj={ |
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year, |
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month, |
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day, |
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section |
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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 year="",month="",day="",section=""; |
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let result="",full="",obj={}; |
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let months=null,days=null,sections=null; |
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let disabledAfter=this.disabledAfter; |
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year=(arr[0]||arr[0]==0)?data.years[arr[0]]||data.years[data.years.length-1]:""; |
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month=(arr[1]||arr[1]==0)?data.months[arr[1]]||data.months[data.months.length-1]:""; |
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day=(arr[2]||arr[2]==0)?data.days[arr[2]]||data.days[data.days.length-1]:""; |
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section=(arr[3]||arr[3]==0)?data.sections[arr[3]]||data.sections[data.sections.length-1]:""; |
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result=full=`${year+'-'+month+'-'+day+' '+section}`; |
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let resetData=this.resetData(year,month,day); |
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if(this.disabledAfter){ |
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months=resetData.months; |
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days=resetData.days; |
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sections=resetData.sections; |
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}else{ |
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if(year%4==0||(month!=this.checkObj.month)){ |
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days=resetData.days; |
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} |
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} |
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if(months)this.range.months=months; |
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if(days)this.range.days=days; |
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if(sections)this.range.sections=sections; |
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obj={ |
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year, |
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month, |
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day, |
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section |
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} |
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this.checkObj=obj; |
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this.$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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