feat(user): 添加根据手机号查询用户的跨租户功能

- 在 UserMapper 中新增 selectByPhone 方法，支持忽略租户隔离查询
- 更新 UserMapper.xml 中的 selectByPhone 查询语句，实现跨库查询逻辑
- 修改 UserServiceImpl 中的 getByPhone 方法，使用自定义 SQL 避免租户拦截器影响
- 实现跨租户查询，直接访问 gxwebsoft_core.sys_user 表获取用户信息

src/main/java/com/gxwebsoft/app/controller/AppUserController.java

@@ -67,13 +67,24 @@ public class AppUserController extends BaseController {
         return fail("添加失败");
     }
 
-    @Operation(summary = "邀请用户成为应用成员")
+    @Operation(summary = "邀请用户成为应用成员（支持用户ID或手机号）")
     @PostMapping("/invite")
     public ApiResult<?> invite(@RequestBody AppUser appUser) {
         User loginUser = getLoginUser();
         if (loginUser == null) {
             return fail("请先登录");
         }
+        // 支持手机号邀请：若 userId 为空但传了 phone，则先按手机号查出用户
+        if (appUser.getUserId() == null && appUser.getPhone() != null && !appUser.getPhone().isEmpty()) {
+            User targetUser = appUserService.findUserByPhone(appUser.getPhone());
+            if (targetUser == null) {
+                return fail("手机号未注册，请确认后再试");
+            }
+            appUser.setUserId(targetUser.getUserId());
+        }
+        if (appUser.getUserId() == null) {
+            return fail("请输入用户ID或手机号");
+        }
         try {
             AppUser result = appUserService.inviteUser(
                     appUser.getWebsiteId(),

src/main/java/com/gxwebsoft/app/service/AppUserService.java

@@ -57,4 +57,12 @@ public interface AppUserService extends IService<AppUser> {
      */
     boolean isMember(Long websiteId, Integer userId);
 
+    /**
+     * 根据手机号查找系统用户（用于手机号邀请）
+     *
+     * @param phone 手机号
+     * @return 系统用户，不存在返回 null
+     */
+    com.gxwebsoft.common.system.entity.User findUserByPhone(String phone);
+
 }

src/main/java/com/gxwebsoft/app/service/impl/AppUserServiceImpl.java

@@ -104,4 +104,9 @@ public class AppUserServiceImpl extends ServiceImpl<AppUserMapper, AppUser> impl
         return count > 0;
     }
 
+    @Override
+    public User findUserByPhone(String phone) {
+        return userService.getByPhone(phone);
+    }
+
 }

src/main/java/com/gxwebsoft/common/system/mapper/UserMapper.java

@@ -62,6 +62,14 @@ public interface UserMapper extends BaseMapper<User> {
     @InterceptorIgnore(tenantLine = "true")
     User selectByIdIgnoreTenant(@Param("userId") Integer userId);
 
+    /**
+     * 根据手机号查询用户（忽略租户隔离，跨库查 gxwebsoft_core.sys_user）
+     * @param phone 手机号
+     * @return User
+     */
+    @InterceptorIgnore(tenantLine = "true")
+    User selectByPhone(@Param("phone") String phone);
+
     @InterceptorIgnore(tenantLine = "true")
     List<User> pageAdminByPhone(@Param("param") UserParam param);
 

src/main/java/com/gxwebsoft/common/system/mapper/xml/UserMapper.xml

@@ -182,20 +182,13 @@
         </where>
     </select>
 
-    <!-- 根据手机号码查询 -->
+    <!-- 根据手机号码查询（跨租户，忽略租户隔离） -->
     <select id="selectByPhone" resultType="com.gxwebsoft.common.system.entity.User">
       SELECT a.*
       FROM gxwebsoft_core.sys_user a
-      <where>
-        AND a.deleted = 0
+      WHERE a.deleted = 0
         AND a.phone = #{phone}
-        <if test="tenantId != null">
-          AND a.tenant_id = #{tenantId}
-        </if>
-        <if test="tenantId == null">
-          AND a.tenant_id = 1
-        </if>
-      </where>
+      LIMIT 1
     </select>
 
   <!-- 获取所有的邮政协会/管局工作人员 -->

src/main/java/com/gxwebsoft/common/system/service/impl/UserServiceImpl.java

@@ -180,7 +180,8 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
   @Override
   public User getByPhone(String phone) {
-    return query().eq("phone", phone).one();
+    // 使用自定义 SQL（@InterceptorIgnore），避免 TenantLineInterceptor 把表定位到当前库的 sys_user
+    return baseMapper.selectByPhone(phone);
   }
 
   @Override