time-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>
<view class="w-picker-item" v-for="(item,index) in range.hours" :key="index">{{item}}时</view>
</picker-view-column>
<picker-view-column>
<view class="w-picker-item" v-for="(item,index) in range.minutes" :key="index">{{item}}分</view>
</picker-view-column>
<picker-view-column v-if="second">
<view class="w-picker-item" v-for="(item,index) in range.seconds" :key="index">{{item}}秒</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,Number],
default:""
},
current:{//是否默认选中当前日期
type:Boolean,
default:false
},
second:{
type:Boolean,
default:true
}
},
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{2}:\d{2}:\d{2}$/,example="18:00:05";
if(!strReg.test(value)){
console.log(new Error("请传入与mode、fields匹配的value值，例value="+example+""))
}
return strReg.test(value);
},
resetData(year,month,day,hour,minute){
let curDate=this.getCurrenDate();
let curFlag=this.current;
let curHour=curDate.curHour;
let curMinute=curDate.curMinute;
let curSecond=curDate.curSecond;
for(let hour=0;hour<24;hour++){
hours.push(this.formatNum(hour));
}
for(let minute=0;minute<60;minute++){
minutes.push(this.formatNum(minute));
}
for(let second=0;second<60;second++){
seconds.push(this.formatNum(second));
}
return{
hours,
minutes,
seconds
}
},
getData(curDate){
//用来处理初始化数据
let hours=[],minutes=[],seconds=[];
let curFlag=this.current;
let disabledAfter=this.disabledAfter;
let fields=this.fields;
let curHour=curDate.curHour;
let curMinute=curDate.curMinute;
let curSecond=curDate.curSecond;
for(let hour=0;hour<24;hour++){
hours.push(this.formatNum(hour));
}
for(let minute=0;minute<60;minute++){
minutes.push(this.formatNum(minute));
}
for(let second=0;second<60;second++){
seconds.push(this.formatNum(second));
}
return this.second?{
hours,
minutes,
seconds
}:{
hours,
minutes
}
},
getCurrenDate(){
let curDate=new Date();
let curHour=curDate.getHours();
let curMinute=curDate.getMinutes();
let curSecond=curDate.getSeconds();
return this.second?{
curHour,
curMinute,
curSecond
}:{
curHour,
curMinute,
}
},
getDval(){
let value=this.value;
let fields=this.fields;
let dVal=null;
let aDate=new Date();
let hour=this.formatNum(aDate.getHours());
let minute=this.formatNum(aDate.getMinutes());
let second=this.formatNum(aDate.getSeconds());
if(value){
let flag=this.checkValue(value);
if(!flag){
dVal=[hour,minute,second]
}else{
dVal=value?value.split(":"):[];
}
}else{
dVal=this.second?[hour,minute,second]:[hour,minute]
}
return dVal;
},
initData(){
let curDate=this.getCurrenDate();
let dateData=this.getData(curDate);
let pickVal=[],obj={},full="",result="",hour="",minute="",second="";
let dVal=this.getDval();
let curFlag=this.current;
let disabledAfter=this.disabledAfter;
let hours=dateData.hours;
let minutes=dateData.minutes;
let seconds=dateData.seconds;
let defaultArr=this.second?[
dVal[0]&&hours.indexOf(dVal[0])!=-1?hours.indexOf(dVal[0]):0,
dVal[1]&&minutes.indexOf(dVal[1])!=-1?minutes.indexOf(dVal[1]):0,
dVal[2]&&seconds.indexOf(dVal[2])!=-1?seconds.indexOf(dVal[2]):0
]:[
dVal[0]&&hours.indexOf(dVal[0])!=-1?hours.indexOf(dVal[0]):0,
dVal[1]&&minutes.indexOf(dVal[1])!=-1?minutes.indexOf(dVal[1]):0
];
pickVal=disabledAfter?defaultArr:(curFlag?(this.second?[
hours.indexOf(this.formatNum(curDate.curHour)),
minutes.indexOf(this.formatNum(curDate.curMinute)),
seconds.indexOf(this.formatNum(curDate.curSecond)),
]:[
hours.indexOf(this.formatNum(curDate.curHour)),
minutes.indexOf(this.formatNum(curDate.curMinute))
]):defaultArr);
this.range=dateData;
this.checkObj=obj;
hour=dVal[0]?dVal[0]:hours[0];
minute=dVal[1]?dVal[1]:minutes[0];
if(this.second)second=dVal[2]?dVal[2]:seconds[0];
result=this.second?`${hour+':'+minute+':'+second}`:`${hour+':'+minute}`;
full=this.second?`${hour+':'+minute+':'+second}`:`${hour+':'+minute+':00'}`;
this.$nextTick(()=>{
this.pickVal=pickVal;
});
this.$emit("change",{
result:result,
value:full,
obj:obj
})
},
handlerChange(e){
let arr=[...e.detail.value];
let data=this.range;
let hour="",minute="",second="",result="",full="",obj={};
hour=(arr[0]||arr[0]==0)?data.hours[arr[0]]||data.hours[data.hours.length-1]:"";
minute=(arr[1]||arr[1]==0)?data.minutes[arr[1]]||data.minutes[data.minutes.length-1]:"";
if(this.second)second=(arr[2]||arr[2]==0)?data.seconds[arr[2]]||data.seconds[data.seconds.length-1]:"";
obj=this.second?{
hour,
minute,
second
}:{
hour,
minute
};
this.checkObj=obj;
result=this.second?`${hour+':'+minute+':'+second}`:`${hour+':'+minute}`;
full=this.second?`${hour+':'+minute+':'+second}`:`${hour+':'+minute+':00'}`;
this.$emit("change",{
result:result,
value:full,
obj:obj
})
}
}
}
</script>
<style lang="scss">
@import "./w-picker.css";
</style>