加入用户名重复提醒

java/src/main/java/com/toesbieya/my/config/WebConfig.java

@@ -54,7 +54,7 @@ public class WebConfig implements WebMvcConfigurer {
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
-        String[] exclude = {"/test/**", "/login", "/logout", "/register", "/error"};
+        String[] exclude = {"/test/**", "/login", "/logout", "/register", "/error", "/system/user/checkName"};
         addInterceptor(registry, new SecurityInterceptor(), exclude);
         addInterceptor(registry, new RateControlInterceptor(), exclude);
         addInterceptor(registry, new UserActionInterceptor(), exclude);

java/src/main/java/com/toesbieya/my/controller/SysUserController.java

@@ -136,6 +136,11 @@ public class SysUserController {
         return Result.success("校验通过");
     }
 
+    @GetMapping("checkName")
+    public Result checkName(@RequestParam String name) {
+        return Result.success(userService.checkName(name) ? null : "该用户名已存在");
+    }
+
     private String validateUserCreateParam(SysUser user) {
         if (user.getId() != null) return "创建失败，参数错误";
         if (StringUtils.isEmpty(user.getName())) return "创建失败，用户名称不能为空";

java/src/main/java/com/toesbieya/my/service/SysUserService.java

@@ -184,6 +184,10 @@ public class SysUserService {
         return Result.fail("上传头像失败");
     }
 
+    public boolean checkName(String name) {
+        return !userMapper.isNameExist(name, null);
+    }
+
     public void setUpdateAction(SysUser user) {
         RecUserAction action = ThreadUtil.getAction();
         SysUser origin = userMapper.getById(user.getId());