引入级联选择插件w-picker

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

@@ -0,0 +1,129 @@
+<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" :key="index">{{item[nodeKey]}}</view>
+			</picker-view-column>
+		</picker-view>
+	</view>
+</template>
+
+<script>
+	export default {
+		props:{
+			itemHeight:{
+				type:String,
+				default:"44px"
+			},
+			options:{
+				type:[Array,Object],
+				default(){
+					return []
+				}
+			},
+			value:{
+				type:String,
+				default:""
+			},
+			defaultType:{
+				type:String,
+				default:"label"
+			},
+			defaultProps:{
+				type:Object,
+				default(){
+					return{
+						label:"label",
+						value:"value"
+					}
+				}
+			}
+		},
+		data() {
+			return {
+				pickVal:[]
+			};
+		},
+		computed:{
+			nodeKey(){
+				return this.defaultProps.label;
+			},
+			nodeValue(){
+				return this.defaultProps.value;
+			},
+			range(){
+				return this.options
+			}
+		},
+		watch:{
+			value(val){
+				if(this.options.length!=0){
+					this.initData();
+				}
+			},
+			options(val){
+				this.initData();
+			}
+		},
+		created() {
+			if(this.options.length!=0){
+				this.initData();
+			}
+		},
+		methods:{
+			initData(){
+				let dVal=this.value||"";
+				let data=this.range;
+				let pickVal=[0];
+				let cur=null;
+				let label="";
+				let value,idx;
+				if(this.defaultType==this.nodeValue){
+					value=data.find((v)=>v[this.nodeValue]==dVal);
+					idx=data.findIndex((v)=>v[this.nodeValue]==dVal);
+				}else{
+					value=data.find((v)=>v[this.nodeKey]==dVal);
+					idx=data.findIndex((v)=>v[this.nodeKey]==dVal);
+				}
+				pickVal=[idx!=-1?idx:0];
+				this.$nextTick(()=>{
+					this.pickVal=pickVal;
+				});
+				if(this.defaultType==this.nodeValue){
+					this.$emit("change",{
+						result:value?value[this.nodeKey]:data[0][this.nodeKey],
+						value:dVal||data[0][this.nodeKey],
+						obj:value?value:data[0]
+					})
+				}else{
+					this.$emit("change",{
+						result:dVal||data[0][this.nodeKey],
+						value:value?value[this.nodeValue]:data[0][this.nodeValue],
+						obj:value?value:data[0]
+					})
+				}
+				
+			},
+			handlerChange(e){
+				let arr=[...e.detail.value];
+				let pickVal=[arr[0]||0];
+				let data=this.range;
+				let cur=data[arr[0]];
+				let label="";
+				let value="";
+				this.$nextTick(()=>{
+					this.pickVal=pickVal;
+				});
+				this.$emit("change",{
+					result:cur[this.nodeKey],
+					value:cur[this.nodeValue],
+					obj:cur
+				})
+			}
+		}
+	}
+</script>
+
+<style lang="scss">
+	@import "./w-picker.css";
+</style>