引入级联选择插件w-picker

yudao-ui-app/components/w-picker/time-picker.vue

@@ -0,0 +1,218 @@
+<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>
+