集成 Spring Security 组件，重构后，整体逻辑更加清晰

src/main/java/cn/iocoder/dashboard/modules/system/enums/SysErrorCodeConstants.java

@@ -0,0 +1,21 @@
+package cn.iocoder.dashboard.modules.system.enums;
+
+import cn.iocoder.dashboard.common.exception.ErrorCode;
+
+/**
+ * 错误码枚举类
+ *
+ * system 系统，使用 1-002-000-000 段
+ */
+public interface SysErrorCodeConstants {
+
+    // ========== AUTH 模块 1002000000 ==========
+    ErrorCode AUTH_LOGIN_BAD_CREDENTIALS = new ErrorCode(1002000000, "登录失败，账号密码不正确");
+    ErrorCode AUTH_LOGIN_USER_DISABLED = new ErrorCode(1002000001, "登录失败，账号被禁用");
+    ErrorCode AUTH_LOGIN_FAIL_UNKNOWN = new ErrorCode(1002000002, "登录失败"); // 登陆失败的兜底，位置原因
+
+    // ========== TOKEN 模块 1002001000 ==========
+    ErrorCode TOKEN_EXPIRED = new ErrorCode(1002001000, "Token 已经过期");
+    ErrorCode TOKEN_PARSE_FAIL = new ErrorCode(1002001001, "Token 解析失败");
+
+}

src/main/java/cn/iocoder/dashboard/modules/system/enums/user/UserStatus.java

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+package cn.iocoder.dashboard.modules.system.enums.user;
+
+/**
+ * 用户状态
+ *
+ * @author ruoyi
+ */
+public enum UserStatus
+{
+    OK("0", "正常"), DISABLE("1", "停用"), DELETED("2", "删除");
+
+    private final String code;
+    private final String info;
+
+    UserStatus(String code, String info)
+    {
+        this.code = code;
+        this.info = info;
+    }
+
+    public String getCode()
+    {
+        return code;
+    }
+
+    public String getInfo()
+    {
+        return info;
+    }
+}