优化：给注册用户新增用户名不为空的判断逻辑

WxCheckMvc/Controllers/LoginController.cs

@@ -8,6 +8,7 @@ using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text;
 using System.Threading.Tasks;
+using System.Text.RegularExpressions;
 using System.Net.Http;
 using System.Text.Json;
 
@@ -110,7 +111,10 @@ namespace WxCheckMvc.Controllers
                 {
                     await _connection.OpenAsync();
                 }
-
+                if (string.IsNullOrEmpty(request.UserKey))
+                {
+                    return BadRequest(new { success = false, message = "UserKey不能为空" });
+                }
                 // 检查用户是否存在
                 UserResponse user = null;
                 using (MySqlCommand checkCmd = new MySqlCommand("SELECT Id, UserName, UserKey, WeChatName, PhoneNumber, AvatarUrl, FirstLoginTime, IsDisabled, CreateTime, UpdateTime FROM xcx_users WHERE UserKey = @UserKey", _connection))
@@ -142,6 +146,31 @@ namespace WxCheckMvc.Controllers
                     return NotFound(new { success = false, message = "用户不存在" });
                 }
 
+                // 在验证之前，先对 UserName 和 PhoneNumber 去除空格和标点符号
+                string cleanedUserName = request.UserName ?? string.Empty;
+                string cleanedPhoneNumber = request.PhoneNumber ?? string.Empty;
+
+                // PhoneNumber 只保留数字
+                cleanedPhoneNumber = Regex.Replace(cleanedPhoneNumber, "\\D", "");
+                // UserName 去除标点、符号和空白（保留所有字母/汉字/罕见字形以及数字）
+                cleanedUserName = Regex.Replace(cleanedUserName, @"[\p{P}\p{S}\s]+", "").Trim();
+
+                // 验证 UserName 不为空
+                if (string.IsNullOrEmpty(cleanedUserName))
+                {
+                    return BadRequest(new { success = false, message = "用户名不能为空或仅包含非法字符" });
+                }
+
+                // 验证 PhoneNumber 是否为合法手机号（以 1 开头，共 11 位数字）
+                if (!Regex.IsMatch(cleanedPhoneNumber, "^1\\d{10}$"))
+                {
+                    return BadRequest(new { success = false, message = "手机号格式错误" });
+                }
+
+                // 将清理后的值写回 request，确保更新数据库时使用清理后的值
+                request.UserName = cleanedUserName;
+                request.PhoneNumber = cleanedPhoneNumber;
+
                 // 更新用户信息
                 using (MySqlCommand cmd = new MySqlCommand("UPDATE xcx_users SET UserName = @UserName, WeChatName = @WeChatName, PhoneNumber = @PhoneNumber, AvatarUrl = @AvatarUrl, UpdateTime = NOW() WHERE UserKey = @UserKey", _connection))
                 {
@@ -296,7 +325,7 @@ namespace WxCheckMvc.Controllers
     public class RegisterRequest
     {
         public string UserName { get; set; }
-        public string UserKey { get; set; } // 改为直接传入UserKey
+        public string UserKey { get; set; } 
         public string WeChatName { get; set; }
         public string PhoneNumber { get; set; }
         public string AvatarUrl { get; set; }