feat(user): 添加地址编辑时的地区锁定功能

- 新增 regionLocked 状态管理地区锁定状态
- 编辑模式下有经纬度时自动锁定地区，防止被识别覆盖
- 地图选点后锁定地区并验证省市区完整性
- 锁定状态下点击地区选择器显示提示信息
- 表单提交前验证必填的省市区字段
- 使用 View 组件替换 div 优化 Taro 兼容性
- 识别成功时根据锁定状态显示不同提示文案

src/user/address/add.tsx

@@ -47,6 +47,7 @@ const AddUserAddress = () => {
   const [FormData, setFormData] = useState<ShopUserAddress>({})
   const [inputText, setInputText] = useState<string>('')
   const [selectedLocation, setSelectedLocation] = useState<SelectedLocation | null>(null)
+  const [regionLocked, setRegionLocked] = useState(false)
   const formRef = useRef<any>(null)
   const wxDraftRef = useRef<Partial<ShopUserAddress> | null>(null)
   const wxDraftPatchedRef = useRef(false)
@@ -120,7 +121,12 @@ const AddUserAddress = () => {
         // 设置所在地区
         setText(`${address.province} ${address.city} ${address.region}`)
         // 回显已保存的经纬度（编辑模式）
-        if (hasValidLngLat(address)) setSelectedLocation({ lng: String(address.lng), lat: String(address.lat) })
+        if (hasValidLngLat(address)) {
+          setSelectedLocation({ lng: String(address.lng), lat: String(address.lat) })
+          setRegionLocked(true)
+        } else {
+          setRegionLocked(false)
+        }
       } catch (error) {
         console.error('加载地址失败:', error)
         Taro.showToast({
@@ -172,30 +178,39 @@ const AddUserAddress = () => {
       const result = parseAddressText(inputText);
 
       // 更新表单数据
-      const newFormData = {
+      const newFormData: any = {
         ...FormData,
         name: result.name || FormData.name,
         phone: result.phone || FormData.phone,
-        address: result.address || FormData.address,
+        address: result.address || FormData.address
-        province: result.province || FormData.province,
-        city: result.city || FormData.city,
-        region: result.region || FormData.region
       };
 
+      if (!regionLocked) {
+        newFormData.province = result.province || FormData.province
+        newFormData.city = result.city || FormData.city
+        newFormData.region = result.region || FormData.region
+      }
+
       setFormData(newFormData);
 
       // 更新地区显示文本
-      if (result.province && result.city && result.region) {
+      if (!regionLocked && result.province && result.city && result.region) {
         setText(`${result.province} ${result.city} ${result.region}`);
       }
 
       // 更新表单字段值
       if (formRef.current) {
-        formRef.current.setFieldsValue(newFormData);
+        const patch: any = {
+          name: newFormData.name,
+          phone: newFormData.phone,
+          address: newFormData.address
+        }
+        if (!regionLocked && newFormData.region) patch.region = newFormData.region
+        formRef.current.setFieldsValue(patch);
       }
 
       Taro.showToast({
-        title: '识别成功',
+        title: regionLocked ? '识别成功（所在地区以定位为准）' : '识别成功',
         icon: 'success'
       });
 
@@ -311,7 +326,6 @@ const AddUserAddress = () => {
         name: res.name,
         address: res.address
       }
-      setSelectedLocation(next)
 
       // 尝试从地图返回的 address 文本解析省市区（best-effort）
       const regionResult = res?.provinceName || res?.cityName || res?.adName
@@ -322,15 +336,22 @@ const AddUserAddress = () => {
         }
         : parseRegion(String(res.address || ''))
 
+      const province = String(regionResult?.province || '').trim()
+      const city = String(regionResult?.city || '').trim()
+      const region = String(regionResult?.region || '').trim()
+      if (!province || !city || !region) {
+        Taro.showToast({ title: '定位未识别到所在地区，请重新选择定位', icon: 'none' })
+        return
+      }
+
+      setSelectedLocation(next)
+      setRegionLocked(true)
+
       // 将地图选点的地址同步到“收货地址”（不额外拼接省市区字段，省市区由独立字段保存）
       const nextDetailAddress = (() => {
         const rawAddr = String(res.address || '').trim()
         const name = String(res.name || '').trim()
 
-        const province = String(regionResult?.province || '').trim()
-        const city = String(regionResult?.city || '').trim()
-        const region = String(regionResult?.region || '').trim()
-
         // 选择定位返回的 address 往往包含省市区，这里尽量剥离掉，避免和表单的省市区字段重复
         let detail = rawAddr
         for (const part of [province, city, region]) {
@@ -350,20 +371,18 @@ const AddUserAddress = () => {
         lng: next.lng,
         lat: next.lat,
         address: nextDetailAddress || prev.address,
-        province: regionResult?.province || prev.province,
+        province,
-        city: regionResult?.city || prev.city,
+        city,
-        region: regionResult?.region || prev.region
+        region
       }))
 
-      if (regionResult?.province && regionResult?.city && regionResult?.region) {
+      setText(`${province} ${city} ${region}`)
-        setText(`${regionResult.province} ${regionResult.city} ${regionResult.region}`)
-      }
 
       // 更新表单展示值（Form initialValues 不会跟随 FormData 变化）
       if (formRef.current) {
         const patch: any = {}
         if (nextDetailAddress) patch.address = nextDetailAddress
-        if (regionResult?.region) patch.region = regionResult.region
+        patch.region = region
         formRef.current.setFieldsValue(patch)
       }
     }
@@ -407,6 +426,14 @@ const AddUserAddress = () => {
     }
   }
 
+  const openRegionPicker = () => {
+    if (regionLocked) {
+      Taro.showToast({ title: '所在地区已由定位确定，修改请重新选择定位', icon: 'none' })
+      return
+    }
+    setVisible(true)
+  }
+
   // 提交表单
   const submitSucceed = async (values: any) => {
     const loc =
@@ -416,6 +443,10 @@ const AddUserAddress = () => {
       Taro.showToast({ title: '请选择定位', icon: 'none' })
       return
     }
+    if (!FormData.province || !FormData.city || !FormData.region) {
+      Taro.showToast({ title: '请先选择定位以自动填写所在地区', icon: 'none' })
+      return
+    }
 
     try {
       // 准备提交的数据
@@ -487,6 +518,12 @@ const AddUserAddress = () => {
     })
   }, [fromWx, isEditMode]);
 
+  useEffect(() => {
+    if (!regionLocked) return
+    if (!visible) return
+    setVisible(false)
+  }, [regionLocked, visible])
+
   // NutUI Form 的 initialValues 在首次渲染后不再响应更新；微信导入时做一次 setFieldsValue 兜底回填。
   useEffect(() => {
     if (loading) return
@@ -523,7 +560,7 @@ const AddUserAddress = () => {
         onFinishFailed={(errors) => submitFailed(errors)}
       >
         <CellGroup className={'px-3'}>
-          <div
+          <View
             style={{
               border: '1px dashed #22c55e',
               display: 'flex',
@@ -549,7 +586,7 @@ const AddUserAddress = () => {
             >
               识别
             </Button>
-          </div>
+          </View>
         </CellGroup>
         <View className={'bg-gray-100 h-3'}></View>
         <CellGroup style={{padding: '4px 0'}}>
@@ -581,10 +618,10 @@ const AddUserAddress = () => {
             rules={[{message: '请输入您的所在地区'}]}
             required
           >
-            <div className={'flex justify-between items-center'} onClick={() => setVisible(true)}>
+            <View className={'flex justify-between items-center'} onClick={openRegionPicker}>
               <Input placeholder="选择所在地区" value={text} disabled/>
               <ArrowRight className={'text-gray-400'}/>
-            </div>
+            </View>
           </Form.Item>
           <Form.Item name="address" label="收货地址" initialValue={FormData.address} required>
             <TextArea maxLength={50} placeholder="请输入详细收货地址"/>
@@ -598,15 +635,15 @@ const AddUserAddress = () => {
               (selectedLocation ? `经纬度：${selectedLocation.lng}, ${selectedLocation.lat}` : '用于计算是否超出配送范围')
             }
             extra={(
-              <div className={'flex items-center gap-2'}>
+              <View className={'flex items-center gap-2'}>
-                <div
+                <View
                   className={'text-gray-900 text-sm'}
                   style={{maxWidth: '200px', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap'}}
                 >
                   {selectedLocation?.name || (selectedLocation ? '已选择' : '请选择')}
-                </div>
+                </View>
                 <ArrowRight className={'text-gray-400'}/>
-              </div>
+              </View>
             )}
             onClick={chooseGeoLocation}
           />
@@ -618,6 +655,10 @@ const AddUserAddress = () => {
         options={optionsDemo1}
         title="选择地址"
         onChange={(value, _) => {
+          if (regionLocked) {
+            Taro.showToast({ title: '所在地区已由定位确定，修改请重新选择定位', icon: 'none' })
+            return
+          }
           setFormData({
             ...FormData,
             province: `${value[0]}`,