梁航：表单二级联动

pages/publish/publishAddress/publishAddress.vue

@@ -18,23 +18,13 @@
 			</u-form-item>
 			<u-form-item label="行业" label-position="top" border-bottom="true" class="picker" label-width="auto"
 				prop="business">
-				<text @click="show2 = true" class="checkedtext" v-if="form.business">{{form.business}}</text>
+				<text @click="show2 = true" class="checkedtext" v-if="form.business">{{form.business}}-{{form.commercialForm}}</text>
-				<text @click="show2 = true" class="checktext" v-else>请选择行业</text>
+				<text @click="show2 = true" class="checktext" v-else>请选择店铺行业与业态</text>
 				<view class="arrow-icon">
 					<u-icon name="arrow-right" size="30px" @click="show2 = true"></u-icon>
 				</view>
-				<u-picker mode="region" :show="show2" :closeOnClickOverlay="true" @close="show2 = false"
+				<u-picker mode="region" :show="show2" :closeOnClickOverlay="true" @close="show2 = false" ref="uPicker"
-					:columns="[Classcolumns]" v-model="form.business" @confirm="tradeConfirm"></u-picker>
+					:columns="[Classcolumns]" v-model="form.business" @confirm="tradeConfirm" @change="changeHandler"></u-picker>
-			</u-form-item>
-			<u-form-item label="业态" label-position="top" border-bottom="true" label-width="auto" prop="commercialForm">
-				<text @click="choosecommercialForm" class="checkedtext"
-					v-if="form.commercialForm">{{form.commercialForm}}</text>
-				<text @click="choosecommercialForm" class="checktext" v-else>请选择业态</text>
-				<view class="arrow-icon">
-					<u-icon name="arrow-right" size="30px" @click="choosecommercialForm"></u-icon>
-				</view>
-				<u-picker mode="region" :show="show3" :closeOnClickOverlay="true" @close="show3 = false"
-					:columns="[Karmacolumns]" v-model="form.commercialForm" @confirm="karmaConfirm"></u-picker>
 			</u-form-item>
 			<u-form-item label="面积" label-position="top" border-bottom="true" label-width="auto" prop="area">
 				<u-input v-model="form.area" placeholder="请输入店铺面积" placeholder-class="input-class" border="none" type="number"></u-input>
@@ -217,6 +207,30 @@
 					this.show3 = true
 				}
 			},
+			changeHandler(e) {
+			                const {
+			                    columnIndex,
+			                    value,
+			                    values, // values为当前变化列的数组内容
+			                    index,
+								// 微信小程序无法将picker实例传出来，只能通过ref操作
+			                    picker = this.$refs.uPicker
+			                } = e
+			                // 当第一列值发生变化时，变化第二列(后一列)对应的选项
+							console.log(e);
+			                if (columnIndex === 0) {
+			                    // picker为选择器this实例，变化第二列对应的选项
+								this.ClassCheckId = this.pid[index]
+								this.$api.getClassList(this.ClassCheckId).then(res => {
+								console.log(res);
+								this.Karmacolumns = res.data.data.map((item) => {
+									return item = item.name
+									})
+								picker.setColumnValues(1, this.Karmacolumns)
+								})
+			                    
+			                }
+			            },
 			getRegionList() {
 				var that = this
 				uni.request({
@@ -233,17 +247,7 @@
 			tradeConfirm(e) {
 				this.show2 = false
 				this.form.business = e.value[0]
-				this.ClassCheckId = this.pid[e.indexs[0]]
+				this.form.commercialForm = e.value[1]
-				this.$api.getClassList(this.ClassCheckId).then(res => {
-					// console.log(res);
-					this.Karmacolumns = res.data.data.map((item) => {
-						return item = item.name
-					})
-				})
-			},
-			karmaConfirm(e) {
-				this.show3 = false
-				this.form.commercialForm = e.value[0]
 			},
 			regionConfirm(e) {
 				this.show1 = false
@@ -272,8 +276,14 @@
 				})
 				this.pid = res.data.data.map((item) => {
 					return item = item.id
+					
+				})
+				this.$api.getClassList(9).then(res => {
+					this.Karmacolumns = res.data.data.map((item) => {
+						return item = item.name
+						})
+						this.$refs.uPicker.setColumnValues(1,this.Karmacolumns)
 				})
-
 			})
 		},
 		computed: {

pages/publish/publishInvestment/publishInvestment.vue

@@ -28,15 +28,15 @@
 				<u-input v-model="form.address" placeholder="请输入项目地址" placeholder-class="input-class" border="none"
 					@focus="changeAddressFocus" @blur="changeAddress"></u-input>
 			</u-form-item>
-			<u-form-item label="项目行业" label-position="top" border-bottom="true" class="picker" label-width="auto"
+			<u-form-item label="行业" label-position="top" border-bottom="true" class="picker" label-width="auto"
 				prop="business">
-				<text @click="show2 = true" class="checkedtext" v-if="form.business.length>0">{{form.business}}</text>
+				<text @click="show2 = true" class="checkedtext" v-if="form.business">{{form.business}}-{{form.commercial}}</text>
-				<text @click="show2 = true" class="checktext" v-else>请选择项目行业</text>
+				<text @click="show2 = true" class="checktext" v-else>请选择店铺行业与业态</text>
 				<view class="arrow-icon">
 					<u-icon name="arrow-right" size="30px" @click="show2 = true"></u-icon>
 				</view>
-				<u-picker mode="region" :show="show2" :closeOnClickOverlay="true" @close="show2 = false"
+				<u-picker mode="region" :show="show2" :closeOnClickOverlay="true" @close="show2 = false" ref="uPicker"
-					:columns="[Classcolumns]" v-model="form.business" @confirm="tradeConfirm"></u-picker>
+					:columns="[Classcolumns]" v-model="form.business" @confirm="tradeConfirm" @change="changeHandler"></u-picker>
 			</u-form-item>
 			<u-form-item label="面积" label-position="top" border-bottom="true" label-width="auto" prop="area">
 				<u-input v-model="form.area" placeholder="请输入店铺面积" placeholder-class="input-class" border="none" type="number"></u-input>
@@ -83,6 +83,7 @@
 					longitude: '',
 					latitude: '',
 					id: '',
+					commercial: '',
 
 				},
 				Classcolumns: [],
@@ -255,6 +256,30 @@
 				// console.log('changeAddress', e);
 				this.getAddressList(e)
 			},
+			changeHandler(e) {
+			                const {
+			                    columnIndex,
+			                    value,
+			                    values, // values为当前变化列的数组内容
+			                    index,
+								// 微信小程序无法将picker实例传出来，只能通过ref操作
+			                    picker = this.$refs.uPicker
+			                } = e
+			                // 当第一列值发生变化时，变化第二列(后一列)对应的选项
+							console.log(e);
+			                if (columnIndex === 0) {
+			                    // picker为选择器this实例，变化第二列对应的选项
+								this.ClassCheckId = this.pid[index]
+								this.$api.getClassList(this.ClassCheckId).then(res => {
+								console.log(res);
+								this.Karmacolumns = res.data.data.map((item) => {
+									return item = item.name
+									})
+								picker.setColumnValues(1, this.Karmacolumns)
+								})
+			                    
+			                }
+			            },
 			getRegionList() {
 				var that = this
 				uni.request({
@@ -292,17 +317,11 @@
 			tradeConfirm(e) {
 				this.show2 = false
 				this.form.business = e.value[0]
-				this.ClassCheckId = this.pid[e.indexs[0]]
+				this.form.commercial = e.value[1]
-				this.$api.getClassList(this.ClassCheckId).then(res => {
-					// console.log(res);
-					this.Karmacolumns = res.data.data.map((item) => {
-						return item = item.name
-					})
-				})
 			},
 			karmaConfirm(e) {
 				this.show3 = false
-				this.form.commercial = e.value[0]
+				
 			},
 			regionConfirm(e) {
 				this.show1 = false
@@ -368,8 +387,14 @@
 				})
 				this.pid = res.data.data.map((item) => {
 					return item = item.id
+					
+				})
+				this.$api.getClassList(9).then(res => {
+					this.Karmacolumns = res.data.data.map((item) => {
+						return item = item.name
+						})
+						this.$refs.uPicker.setColumnValues(1,this.Karmacolumns)
 				})
-
 			})
 		},
 		computed: {

pages/publish/publishRent/publishRent.vue

@@ -396,6 +396,7 @@
 			} else {
 				console.log('发布');
 			}
+			this.getRegionList()
 			this.$api.getClassList().then(res => {
 				// console.log(res.data.data.length);
 				this.Classcolumns = res.data.data.map((item) => {