表单组件 修改下拉选择功能

uni_modules/d-form/components/d-form/d-form.vue

@@ -327,10 +327,14 @@ import {computeArea} from '@/common/utils'
 
 	function setPickerCol(columns, value, n){
 		if(columns.length<=0)return
-		var v=value[n-1]||0
-		if(columns[v]?.children){
-			this.setColumnValues(n,columns[v].children)
-			setPickerCol(columns[v].children, value, ++n)
+		var v=value[n-1]
+		if(v){
+			for(var i in columns){
+				if(columns[i].value==v&&columns[i].children){
+					this.setColumnValues(n,columns[i].children)
+					setPickerCol(columns[i].children, value, ++n)
+				}
+			}
 		}
 	}
 	function setPickerVal(columns, value){
@@ -436,6 +440,7 @@ import {computeArea} from '@/common/utils'
 		watch:{
 			columns(n){
 				if(this.type=='select'){
+					console.log(n[0],this.value)
 					this.$nextTick(()=>{
 						setPickerCol.bind(this.$refs.picker)(n[0]||[],this.value,1)
 					})