daoji_h5/components/w-picker/range-picker.vue

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<template>
<view class="w-picker-view">
<picker-view class="d-picker-view" :indicator-style="itemHeight" :value="pickVal" @change="handlerChange">
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.fyears" :key="index">{{item}}年</view>
</picker-view-column>
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.fmonths" :key="index">{{item}}月</view>
</picker-view-column>
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.fdays" :key="index">{{item}}日</view>
</picker-view-column>
<picker-view-column class="w-picker-flex1">
<view class="w-picker-item">-</view>
</picker-view-column>
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.tyears" :key="index">{{item}}年</view>
</picker-view-column>
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.tmonths" :key="index">{{item}}月</view>
</picker-view-column>
<picker-view-column class="w-picker-flex2">
<view class="w-picker-item" v-for="(item,index) in range.tdays" :key="index">{{item}}</view>
</picker-view-column>
</picker-view>
</view>
</template>
<script>
export default {
data() {
return {
pickVal:[],
range:{},
checkObj:{}
};
},
props:{
itemHeight:{
type:String,
default:"44px"
},
value:{
type:[String,Array],
default(){
return []
}
},
current:{//是否默认选中当前日期
type:Boolean,
default:false
},
startYear:{
type:[String,Number],
default:1970
},
endYear:{
type:[String,Number],
default:new Date().getFullYear()
}
},
watch:{
value(val){
this.initData();
}
},
created() {
this.initData();
},
methods:{
formatNum(n){
return (Number(n)<10?'0'+Number(n):Number(n)+'');
},
checkValue(value){
let strReg=/^\d{4}-\d{2}-\d{2}$/,example="2020-04-03";
if(!strReg.test(value[0])||!strReg.test(value[1])){
console.log(new Error("请传入与mode匹配的value值["+example+","+example+"]"))
}
return strReg.test(value[0])&&strReg.test(value[1]);
},
resetToData(fmonth,fday,tyear,tmonth){
let range=this.range;
let tmonths=[],tdays=[];
let yearFlag=tyear!=range.tyears[0];
let monthFlag=tyear!=range.tyears[0]||tmonth!=range.tmonths[0];
let ttotal=new Date(tyear,tmonth,0).getDate();
for(let i=yearFlag?1:fmonth*1;i<=12;i++){
tmonths.push(this.formatNum(i))
}
for(let i=monthFlag?1:fday*1;i<=ttotal;i++){
tdays.push(this.formatNum(i))
}
return{
tmonths,
tdays
}
},
resetData(fyear,fmonth,fday,tyear,tmonth){
let fyears=[],fmonths=[],fdays=[],tyears=[],tmonths=[],tdays=[];
let startYear=this.startYear;
let endYear=this.endYear;
let ftotal=new Date(fyear,fmonth,0).getDate();
let ttotal=new Date(tyear,tmonth,0).getDate();
for(let i=startYear*1;i<=endYear;i++){
fyears.push(this.formatNum(i))
}
for(let i=1;i<=12;i++){
fmonths.push(this.formatNum(i))
}
for(let i=1;i<=ftotal;i++){
fdays.push(this.formatNum(i))
}
for(let i=fyear*1;i<=endYear;i++){
tyears.push(this.formatNum(i))
}
for(let i=fmonth*1;i<=12;i++){
tmonths.push(this.formatNum(i))
}
for(let i=fday*1;i<=ttotal;i++){
tdays.push(this.formatNum(i))
}
return {
fyears,
fmonths,
fdays,
tyears,
tmonths,
tdays
}
},
getData(dVal){
let start=this.startYear*1;
let end=this.endYear*1;
let value=dVal;
let flag=this.current;
let aToday=new Date();
let tYear,tMonth,tDay,tHours,tMinutes,tSeconds,pickVal=[];
let initstartDate=new Date(start.toString());
let endDate=new Date(end.toString());
if(start>end){
initstartDate=new Date(end.toString());
endDate=new Date(start.toString());
};
let startYear=initstartDate.getFullYear();
let startMonth=initstartDate.getMonth()+1;
let endYear=endDate.getFullYear();
let fyears=[],fmonths=[],fdays=[],tyears=[],tmonths=[],tdays=[],returnArr=[],startDVal=[],endDVal=[];
let curMonth=flag?value[1]*1:(startDVal[1]*1+1);
let curMonth1=flag?value[5][1]*1:(value[5]*1+1);
let totalDays=new Date(value[0],value[1],0).getDate();
let totalDays1=new Date(value[4],value[5],0).getDate();
for(let s=startYear;s<=endYear;s++){
fyears.push(this.formatNum(s));
};
for(let m=1;m<=12;m++){
fmonths.push(this.formatNum(m));
};
for(let d=1;d<=totalDays;d++){
fdays.push(this.formatNum(d));
};
for(let s=value[0]*1;s<=endYear;s++){
tyears.push(this.formatNum(s));
};
if(value[4]*1>value[0]*1){
for(let m=1;m<=12;m++){
tmonths.push(this.formatNum(m));
};
for(let d=1;d<=totalDays1;d++){
tdays.push(this.formatNum(d));
};
}else{
for(let m=value[1]*1;m<=12;m++){
tmonths.push(this.formatNum(m));
};
for(let d=value[2]*1;d<=totalDays1;d++){
tdays.push(this.formatNum(d));
};
};
pickVal=[
fyears.indexOf(value[0])==-1?0:fyears.indexOf(value[0]),
fmonths.indexOf(value[1])==-1?0:fmonths.indexOf(value[1]),
fdays.indexOf(value[2])==-1?0:fdays.indexOf(value[2]),
0,
tyears.indexOf(value[4])==-1?0:tyears.indexOf(value[4]),
tmonths.indexOf(value[5])==-1?0:tmonths.indexOf(value[5]),
tdays.indexOf(value[6])==-1?0:tdays.indexOf(value[6])
];
return {
fyears,
fmonths,
fdays,
tyears,
tmonths,
tdays,
pickVal
}
},
getDval(){
let value=this.value;
let fields=this.fields;
let dVal=null;
let aDate=new Date();
let fyear=this.formatNum(aDate.getFullYear());
let fmonth=this.formatNum(aDate.getMonth()+1);
let fday=this.formatNum(aDate.getDate());
let tyear=this.formatNum(aDate.getFullYear());
let tmonth=this.formatNum(aDate.getMonth()+1);
let tday=this.formatNum(aDate.getDate());
if(value&&value.length>0){
let flag=this.checkValue(value);
if(!flag){
dVal=[fyear,fmonth,fday,"-",tyear,tmonth,tday]
}else{
dVal=[...value[0].split("-"),"-",...value[1].split("-")];
}
}else{
dVal=[fyear,fmonth,fday,"-",tyear,tmonth,tday]
}
return dVal;
},
initData(){
let range=[],pickVal=[];
let result="",full="",obj={};
let dVal=this.getDval();
let dateData=this.getData(dVal);
let fyears=[],fmonths=[],fdays=[],tyears=[],tmonths=[],tdays=[];
let fyear,fmonth,fday,tyear,tmonth,tday;
pickVal=dateData.pickVal;
fyears=dateData.fyears;
fmonths=dateData.fmonths;
fdays=dateData.fdays;
tyears=dateData.tyears;
tmonths=dateData.tmonths;
tdays=dateData.tdays;
range={
fyears,
fmonths,
fdays,
tyears,
tmonths,
tdays,
}
fyear=range.fyears[pickVal[0]];
fmonth=range.fmonths[pickVal[1]];
fday=range.fdays[pickVal[2]];
tyear=range.tyears[pickVal[4]];
tmonth=range.tmonths[pickVal[5]];
tday=range.tdays[pickVal[6]];
obj={
fyear,
fmonth,
fday,
tyear,
tmonth,
tday
}
result=`${fyear+'-'+fmonth+'-'+fday+'至'+tyear+'-'+tmonth+'-'+tday}`;
this.range=range;
this.checkObj=obj;
this.$nextTick(()=>{
this.pickVal=pickVal;
});
this.$emit("change",{
result:result,
value:result.split("至"),
obj:obj
})
},
handlerChange(e){
let arr=[...e.detail.value];
let result="",full="",obj={};
let year="",month="",day="",hour="",minute="",second="",note=[],province,city,area;
let checkObj=this.checkObj;
let days=[],months=[],endYears=[],endMonths=[],endDays=[],startDays=[];
let mode=this.mode;
let col1,col2,col3,d,a,h,m;
let xDate=new Date().getTime();
let range=this.range;
let fyear=range.fyears[arr[0]]||range.fyears[range.fyears.length-1];
let fmonth=range.fmonths[arr[1]]||range.fmonths[range.fmonths.length-1];
let fday=range.fdays[arr[2]]||range.fdays[range.fdays.length-1];
let tyear=range.tyears[arr[4]]||range.tyears[range.tyears.length-1];
let tmonth=range.tmonths[arr[5]]||range.tmonths[range.tmonths.length-1];
let tday=range.tdays[arr[6]]||range.tdays[range.tdays.length-1];
let resetData=this.resetData(fyear,fmonth,fday,tyear,tmonth);
if(fyear!=checkObj.fyear||fmonth!=checkObj.fmonth||fday!=checkObj.fday){
arr[4]=0;
arr[5]=0;
arr[6]=0;
range.tyears=resetData.tyears;
range.tmonths=resetData.tmonths;
range.tdays=resetData.tdays;
tyear=range.tyears[0];
checkObj.tyears=range.tyears[0];
tmonth=range.tmonths[0];
checkObj.tmonths=range.tmonths[0];
tday=range.tdays[0];
checkObj.tdays=range.tdays[0];
}
if(fyear!=checkObj.fyear||fmonth!=checkObj.fmonth){
range.fdays=resetData.fdays;
};
if(tyear!=checkObj.tyear){
arr[5]=0;
arr[6]=0;
let toData=this.resetToData(fmonth,fday,tyear,tmonth);
range.tmonths=toData.tmonths;
range.tdays=toData.tdays;
tmonth=range.tmonths[0];
checkObj.tmonths=range.tmonths[0];
tday=range.tdays[0];
checkObj.tdays=range.tdays[0];
};
if(tmonth!=checkObj.tmonth){
arr[6]=0;
let toData=this.resetToData(fmonth,fday,tyear,tmonth);
range.tdays=toData.tdays;
tday=range.tdays[0];
checkObj.tdays=range.tdays[0];
};
result=`${fyear+'-'+fmonth+'-'+fday+'至'+tyear+'-'+tmonth+'-'+tday}`;
obj={
fyear,fmonth,fday,tyear,tmonth,tday
}
this.checkObj=obj;
this.$nextTick(()=>{
this.pickVal=arr;
})
this.$emit("change",{
result:result,
value:result.split("至"),
obj:obj
})
}
}
}
</script>
<style lang="scss">
@import "./w-picker.css";
</style>