添加 Java21_SpBoot3_Gen_Bean.md

Java21_SpBoot3_Gen_Bean.md

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+```
+根据SysUser为下面的表结构生成JavaBean，你只需要生成一个JavaBean的内容即可，以下是SysUser：
+@Getter
+@Setter
+@TableName(value = "t_sys_user")
+public class SysUser implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    @TableId(type = IdType.ASSIGN_ID)
+    @Schema(name = "id", description = "ID")
+    private Long id;
+
+    @Schema(name = "mobile", description = "手机号")
+    @NotBlank
+    @MustMobile
+    @Length(max = 11)
+    private String mobile;
+
+    @Schema(name = "name", description = "姓名")
+    @NotBlank
+    @Length(max = 200)
+    private String name;
+
+    @Schema(name = "idCardNo", description = "身份证号")
+    @MustIdCard
+    private String idCardNo;
+
+    @Schema(name = "password", description = "登录密码")
+    @NotBlank
+    @Password
+    @Length(min = 8, max = 16)
+    private String password;
+
+    @Schema(name = "salt", description = "密钥salt")
+    private String salt;
+
+    @Email
+    @Length(max = 200)
+    @Schema(name = "email", description = "邮箱")
+    private String email;
+
+    @Schema(name = "gender", description = "性别 0=女,1=男")
+    private Gender gender;
+
+    @Schema(name = "state", description = Enable.DESC)
+    private Enable state;
+
+    @Schema(name = "createAt", description = "创建时间")
+    private LocalDateTime createAt;
+
+    @Schema(name = "updateAt", description = "变更时间")
+    private LocalDateTime updateAt;
+
+    @Schema(name = "createAtName", description = "创建人")
+    private String createAtName;
+
+    @Schema(name = "updateAtName", description = "变更人")
+    private String updateAtName;
+
+}
+以上是SysUser，以下是表结构：
+
+```