推送项目重构代码

ruoyi-system/src/main/java/com/ruoyi/system/domain/SysUserDashboard.java

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+package com.ruoyi.system.domain;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.ruoyi.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+/**
+ * 用户工作台布局 sys_user_dashboard
+ *
+ * @author wangyu
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+@TableName("sys_user_dashboard")
+public class SysUserDashboard extends BaseEntity {
+
+    @TableId(value = "user_id")
+    private Long userId;
+
+    /** 布局 JSON: [{i,x,y,w,h,widgetKey,config}] */
+    private String layoutJson;
+}

ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserDashboardMapper.java

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+package com.ruoyi.system.mapper;
+
+import com.ruoyi.common.core.mapper.BaseMapperPlus;
+import com.ruoyi.system.domain.SysUserDashboard;
+
+/**
+ * 用户工作台布局 数据层
+ *
+ * @author wangyu
+ */
+public interface SysUserDashboardMapper extends BaseMapperPlus<SysUserDashboardMapper, SysUserDashboard, SysUserDashboard> {
+}

ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserDashboardService.java

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+package com.ruoyi.system.service;
+
+/**
+ * 用户工作台布局 服务层
+ *
+ * @author wangyu
+ */
+public interface ISysUserDashboardService {
+
+    /** 读取指定用户布局；为空则返回默认布局 */
+    String getLayout(Long userId);
+
+    /** 保存指定用户布局 */
+    void saveLayout(Long userId, String layoutJson);
+
+    /** 重置为默认布局（删除用户自定义记录） */
+    void resetLayout(Long userId);
+
+    /** 读取系统默认布局 */
+    String getDefaultLayout();
+
+    /** 保存系统默认布局（管理员） */
+    void saveDefaultLayout(String layoutJson);
+}

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserDashboardServiceImpl.java

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+package com.ruoyi.system.service.impl;
+
+import com.ruoyi.system.domain.SysConfig;
+import com.ruoyi.system.domain.SysUserDashboard;
+import com.ruoyi.system.mapper.SysUserDashboardMapper;
+import com.ruoyi.system.service.ISysConfigService;
+import com.ruoyi.system.service.ISysUserDashboardService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+/**
+ * 用户工作台布局 服务实现
+ *
+ * @author wangyu
+ */
+@Service
+@RequiredArgsConstructor
+public class SysUserDashboardServiceImpl implements ISysUserDashboardService {
+
+    private static final String DEFAULT_LAYOUT_KEY = "sys.dashboard.defaultLayout";
+    private static final String FALLBACK_LAYOUT = "[]";
+
+    private final SysUserDashboardMapper dashboardMapper;
+    private final ISysConfigService configService;
+
+    @Override
+    public String getLayout(Long userId) {
+        SysUserDashboard entity = dashboardMapper.selectById(userId);
+        if (entity != null && entity.getLayoutJson() != null && !entity.getLayoutJson().isEmpty()) {
+            return entity.getLayoutJson();
+        }
+        return getDefaultLayout();
+    }
+
+    @Override
+    public void saveLayout(Long userId, String layoutJson) {
+        SysUserDashboard exist = dashboardMapper.selectById(userId);
+        if (exist == null) {
+            SysUserDashboard entity = new SysUserDashboard();
+            entity.setUserId(userId);
+            entity.setLayoutJson(layoutJson);
+            dashboardMapper.insert(entity);
+        } else {
+            exist.setLayoutJson(layoutJson);
+            dashboardMapper.updateById(exist);
+        }
+    }
+
+    @Override
+    public void resetLayout(Long userId) {
+        dashboardMapper.deleteById(userId);
+    }
+
+    @Override
+    public String getDefaultLayout() {
+        String value = configService.selectConfigByKey(DEFAULT_LAYOUT_KEY);
+        return (value == null || value.isEmpty()) ? FALLBACK_LAYOUT : value;
+    }
+
+    @Override
+    public void saveDefaultLayout(String layoutJson) {
+        SysConfig config = new SysConfig();
+        config.setConfigKey(DEFAULT_LAYOUT_KEY);
+        config.setConfigValue(layoutJson);
+        configService.updateConfig(config);
+    }
+}