feat: 新增三角洲改枪码模块

- 新增 DeltaGunCode 实体/Mapper/Service/Controller（分页列表、新增、更新、删除）
- WebSecurityConfig 放行 /delta-gun-code/public/**，公开页免登录访问
- 附建表与菜单权限 SQL：sql/delta_gun_code.sql

sql/delta_gun_code.sql

@@ -0,0 +1,56 @@
+-- ============================================================
+-- 三角洲行动 · 改枪码模块（delta_gun_code）
+-- 数据库: freedom_db
+-- 用途:  后台维护改枪码 + 无需鉴权的公开复制页面数据源
+-- 说明:  可重复执行（CREATE TABLE IF NOT EXISTS / 幂等 INSERT 判断）
+--        执行后需重新登录系统（或退出登录）刷新菜单缓存方可看到新菜单
+-- ============================================================
+
+USE `freedom_db`;
+
+-- 1. 改枪码数据表
+CREATE TABLE IF NOT EXISTS `delta_gun_code` (
+  `id`          BIGINT       NOT NULL AUTO_INCREMENT COMMENT '主键',
+  `name`        VARCHAR(100) NOT NULL COMMENT '配装名称',
+  `gun_name`    VARCHAR(100) DEFAULT NULL COMMENT '枪械/载具名称',
+  `category`    VARCHAR(50)  DEFAULT NULL COMMENT '分类标签（主武器/副武器/载具配置等）',
+  `code`        TEXT         NOT NULL COMMENT '改枪码内容',
+  `remark`      VARCHAR(500) DEFAULT NULL COMMENT '备注说明',
+  `sort`        INT          DEFAULT 0 COMMENT '排序',
+  `status`      TINYINT      DEFAULT 1 COMMENT '状态：1显示 0隐藏',
+  `copy_count`  INT          DEFAULT 0 COMMENT '被复制次数',
+  `create_by`   VARCHAR(50)  DEFAULT NULL COMMENT '创建者',
+  `create_date` DATETIME     DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by`   VARCHAR(50)  DEFAULT NULL COMMENT '更新者',
+  `update_date` DATETIME     DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag`    TINYINT      DEFAULT 0 COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_delta_code_status` (`status`, `del_flag`)
+) ENGINE=InnoDB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8mb4 COMMENT='三角洲改枪码表';
+
+-- 2. 菜单权限：一级菜单「三角洲」
+INSERT INTO `t_sys_permission`
+  (`parent_id`, `permission_code`, `permission_name`, `permission_desc`, `level`, `icon`, `url`, `component`, `sort`, `create_by`, `create_date`, `del_flag`)
+SELECT 0, 'delta', '三角洲', '三角洲行动相关功能', 1, 'md-game-controller-a', '', '', 9, 'admin', NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (SELECT 1 FROM `t_sys_permission` WHERE `permission_code` = 'delta' AND `del_flag` = 0);
+
+-- 3. 菜单权限：二级菜单「改枪码管理」
+SET @delta_parent_id = (SELECT `id` FROM `t_sys_permission` WHERE `permission_code` = 'delta' AND `del_flag` = 0 ORDER BY `id` LIMIT 1);
+
+INSERT INTO `t_sys_permission`
+  (`parent_id`, `permission_code`, `permission_name`, `permission_desc`, `level`, `icon`, `url`, `component`, `sort`, `create_by`, `create_date`, `del_flag`)
+SELECT @delta_parent_id, 'delta:gun-code', '改枪码管理', '三角洲改枪码维护与分享', 2, 'md-code-working', '/delta/gun-code', '/delta/delta-gun-code', 1, 'admin', NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (SELECT 1 FROM `t_sys_permission` WHERE `permission_code` = 'delta:gun-code' AND `del_flag` = 0);
+
+-- 4. 角色授权：给所有现有角色挂上新菜单（幂等）
+INSERT INTO `t_sys_role_permission` (`role_id`, `permission_id`, `create_by`, `create_date`)
+SELECT r.`id`, p.`id`, 'admin', NOW()
+FROM `t_sys_role` r
+JOIN `t_sys_permission` p ON p.`permission_code` IN ('delta', 'delta:gun-code') AND p.`del_flag` = 0
+WHERE r.`del_flag` = 0
+  AND NOT EXISTS (
+    SELECT 1 FROM `t_sys_role_permission` rp
+    WHERE rp.`role_id` = r.`id` AND rp.`permission_id` = p.`id`
+  );

src/main/java/com/freedom/admin/config/WebSecurityConfig.java

@@ -76,6 +76,11 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
                 .authorizeRequests()// 验证码允许匿名访问
                     .antMatchers("/email-sender/sendEmailVerificationCode","/sys-user/register")
                     .anonymous()
+                    // 三角洲改枪码：公开复制接口无需登录，后台管理接口需登录
+                    .antMatchers("/delta-gun-code/public/**")
+                    .permitAll()
+                    .antMatchers("/delta-gun-code/**")
+                    .authenticated()
                     .and()
                 .formLogin()
                     .loginProcessingUrl("/login")

src/main/java/com/freedom/admin/controller/DeltaGunCodeController.java

@@ -0,0 +1,145 @@
+package com.freedom.admin.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.freedom.admin.base.BaseController;
+import com.freedom.admin.common.Result;
+import com.freedom.admin.entity.DeltaGunCode;
+import com.freedom.admin.service.DeltaGunCodeService;
+import lombok.extern.log4j.Log4j2;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 控制层-三角洲改枪码表
+ *
+ * @author zhangjiaxun
+ * @description 后台维护改枪码 + 公开复制接口（无需登录）
+ */
+@RestController
+@RequestMapping("delta-gun-code")
+@Log4j2
+public class DeltaGunCodeController extends BaseController {
+
+    @Autowired
+    private DeltaGunCodeService deltaGunCodeService;
+
+    /**
+     * 后台管理-分页查询改枪码列表
+     */
+    @RequestMapping("findPageList")
+    public Result<DeltaGunCode> findPageList(long pageNum, long pageSize, DeltaGunCode deltaGunCode) {
+        QueryWrapper<DeltaGunCode> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("del_flag", 0);
+        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getName()), "name", deltaGunCode.getName());
+        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getGunName()), "gun_name", deltaGunCode.getGunName());
+        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getCategory()), "category", deltaGunCode.getCategory());
+        queryWrapper.eq(deltaGunCode.getStatus() != null, "status", deltaGunCode.getStatus());
+        queryWrapper.orderByAsc("sort").orderByDesc("id");
+        Page<DeltaGunCode> page = deltaGunCodeService.page(new Page<>(pageNum, pageSize), queryWrapper);
+        return Result.ok().setData(page);
+    }
+
+    /**
+     * 公开页面-查询所有启用的改枪码（无需登录）
+     */
+    @RequestMapping("public/list")
+    public Result<DeltaGunCode> publicList() {
+        QueryWrapper<DeltaGunCode> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("del_flag", 0);
+        queryWrapper.eq("status", 1);
+        queryWrapper.orderByAsc("sort").orderByDesc("id");
+        List<DeltaGunCode> list = deltaGunCodeService.list(queryWrapper);
+        return Result.ok().setData(list);
+    }
+
+    /**
+     * 公开页面-复制成功后增加复制次数（无需登录）
+     */
+    @RequestMapping("public/addCopyCount")
+    public Result addCopyCount(Long id) {
+        if (id == null) {
+            return Result.error().message("参数缺失");
+        }
+        UpdateWrapper<DeltaGunCode> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.eq("id", id).eq("del_flag", 0)
+                .setSql("copy_count = copy_count + 1");
+        deltaGunCodeService.update(updateWrapper);
+        return Result.ok();
+    }
+
+    /**
+     * 后台管理-新增改枪码
+     */
+    @RequestMapping("add")
+    public Result add(DeltaGunCode deltaGunCode) {
+        if (StringUtils.isBlank(deltaGunCode.getName())) {
+            return Result.error().message("配装名称不能为空");
+        }
+        if (StringUtils.isBlank(deltaGunCode.getCode())) {
+            return Result.error().message("改枪码不能为空");
+        }
+        try {
+            if (deltaGunCode.getStatus() == null) {
+                deltaGunCode.setStatus(1);
+            }
+            if (deltaGunCode.getSort() == null) {
+                deltaGunCode.setSort(0);
+            }
+            deltaGunCode.setCopyCount(0);
+            deltaGunCode.setCreateBy(getUsername());
+            deltaGunCode.setCreateDate(new Date());
+            boolean save = deltaGunCodeService.save(deltaGunCode);
+            return Result.ok().setData(save);
+        } catch (Exception e) {
+            log.error("新增改枪码失败", e);
+            return Result.error().message("新增失败");
+        }
+    }
+
+    /**
+     * 后台管理-更新改枪码
+     */
+    @RequestMapping("update")
+    public Result update(DeltaGunCode deltaGunCode) {
+        if (deltaGunCode.getId() == null) {
+            return Result.error().message("参数缺失");
+        }
+        if (StringUtils.isBlank(deltaGunCode.getName())) {
+            return Result.error().message("配装名称不能为空");
+        }
+        if (StringUtils.isBlank(deltaGunCode.getCode())) {
+            return Result.error().message("改枪码不能为空");
+        }
+        try {
+            deltaGunCode.setUpdateBy(getUsername());
+            deltaGunCode.setUpdateDate(new Date());
+            boolean update = deltaGunCodeService.updateById(deltaGunCode);
+            return Result.ok().setData(update);
+        } catch (Exception e) {
+            log.error("更新改枪码失败", e);
+            return Result.error().message("更新失败");
+        }
+    }
+
+    /**
+     * 后台管理-删除改枪码（逻辑删除）
+     */
+    @RequestMapping("remove")
+    public Result remove(DeltaGunCode deltaGunCode) {
+        try {
+            boolean remove = deltaGunCodeService.removeById(deltaGunCode.getId());
+            return Result.ok().setData(remove);
+        } catch (Exception e) {
+            log.error("删除改枪码失败", e);
+            return Result.error().message("删除失败");
+        }
+    }
+
+}

src/main/java/com/freedom/admin/entity/DeltaGunCode.java

@@ -0,0 +1,94 @@
+package com.freedom.admin.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * delta_gun_code
+ * 三角洲行动-改枪码
+ *
+ * @author zhangjiaxun
+ */
+@Data
+@TableName("delta_gun_code")
+public class DeltaGunCode implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 主键
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 配装名称
+     */
+    private String name;
+
+    /**
+     * 枪械/载具名称
+     */
+    private String gunName;
+
+    /**
+     * 分类标签（如：主武器/副武器/载具配置）
+     */
+    private String category;
+
+    /**
+     * 改枪码内容
+     */
+    private String code;
+
+    /**
+     * 备注说明
+     */
+    private String remark;
+
+    /**
+     * 排序
+     */
+    private Integer sort;
+
+    /**
+     * 状态：1显示 0隐藏
+     */
+    private Integer status;
+
+    /**
+     * 被复制次数
+     */
+    private Integer copyCount;
+
+    /**
+     * 创建者
+     */
+    private String createBy;
+
+    /**
+     * 创建时间
+     */
+    private Date createDate;
+
+    /**
+     * 更新者
+     */
+    private String updateBy;
+
+    /**
+     * 更新时间
+     */
+    private Date updateDate;
+
+    /**
+     * 删除标记
+     */
+    private Boolean delFlag;
+
+}

src/main/java/com/freedom/admin/mapper/DeltaGunCodeMapper.java

@@ -0,0 +1,13 @@
+package com.freedom.admin.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.freedom.admin.entity.DeltaGunCode;
+
+/**
+ * 数据访问层-三角洲改枪码表
+ *
+ * @author zhangjiaxun
+ */
+public interface DeltaGunCodeMapper extends BaseMapper<DeltaGunCode> {
+
+}

src/main/java/com/freedom/admin/service/DeltaGunCodeService.java

@@ -0,0 +1,13 @@
+package com.freedom.admin.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.freedom.admin.entity.DeltaGunCode;
+
+/**
+ * 业务层-三角洲改枪码表
+ *
+ * @author zhangjiaxun
+ */
+public interface DeltaGunCodeService extends IService<DeltaGunCode> {
+
+}

src/main/java/com/freedom/admin/service/impl/DeltaGunCodeServiceImpl.java

@@ -0,0 +1,19 @@
+package com.freedom.admin.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.freedom.admin.entity.DeltaGunCode;
+import com.freedom.admin.mapper.DeltaGunCodeMapper;
+import com.freedom.admin.service.DeltaGunCodeService;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.stereotype.Service;
+
+/**
+ * 业务层实现-三角洲改枪码表
+ *
+ * @author zhangjiaxun
+ */
+@Service
+@Log4j2
+public class DeltaGunCodeServiceImpl extends ServiceImpl<DeltaGunCodeMapper, DeltaGunCode> implements DeltaGunCodeService {
+
+}