升级 Knife4j 版本 , 增加租户管理的功能

src/main/java/com/rj/service/impl/TenantServiceImpl.java

@@ -13,6 +13,7 @@ import java.time.format.DateTimeFormatter;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.UUID;
 
 /**
  * <p>
@@ -139,5 +140,141 @@ public class TenantServiceImpl extends ServiceImpl<TenantMapper, Tenant> impleme
         
         return queryWrapper;
     }
+
+    @Override
+    public Map<String, Object> addTenant(Tenant tenant) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            // 验证必填字段
+            if (tenant.getTenantCode() == null || tenant.getTenantCode().trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "租户编码不能为空");
+                return result;
+            }
+            if (tenant.getTenantName() == null || tenant.getTenantName().trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "租户名称不能为空");
+                return result;
+            }
+
+            // 检查租户编码是否已存在
+            LambdaQueryWrapper<Tenant> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(Tenant::getTenantCode, tenant.getTenantCode());
+            long count = this.count(queryWrapper);
+            if (count > 0) {
+                result.put("success", false);
+                result.put("message", "租户编码已存在");
+                return result;
+            }
+
+            // 生成UUID作为主键
+            tenant.setId(UUID.randomUUID().toString().replace("-", ""));
+            tenant.setCreateTime(LocalDateTime.now());
+            tenant.setUpdateTime(LocalDateTime.now());
+
+            // 设置默认状态为启用
+            if (tenant.getStatus() == null) {
+                tenant.setStatus(1);
+            }
+
+            boolean success = this.save(tenant);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "租户添加成功");
+                result.put("data", tenant);
+            } else {
+                result.put("success", false);
+                result.put("message", "租户添加失败");
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "租户添加异常：" + e.getMessage());
+        }
+        return result;
+    }
+
+    @Override
+    public Map<String, Object> updateTenant(Tenant tenant) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            if (tenant.getId() == null || tenant.getId().trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "租户ID不能为空");
+                return result;
+            }
+
+            // 检查租户是否存在
+            Tenant existingTenant = this.getById(tenant.getId());
+            if (existingTenant == null) {
+                result.put("success", false);
+                result.put("message", "租户不存在");
+                return result;
+            }
+
+            // 如果修改了租户编码，检查新编码是否已存在
+            if (tenant.getTenantCode() != null && !tenant.getTenantCode().equals(existingTenant.getTenantCode())) {
+                LambdaQueryWrapper<Tenant> queryWrapper = new LambdaQueryWrapper<>();
+                queryWrapper.eq(Tenant::getTenantCode, tenant.getTenantCode());
+                long count = this.count(queryWrapper);
+                if (count > 0) {
+                    result.put("success", false);
+                    result.put("message", "租户编码已存在");
+                    return result;
+                }
+            }
+
+            // 设置更新时间
+            tenant.setUpdateTime(LocalDateTime.now());
+            // 不更新创建时间
+            tenant.setCreateTime(existingTenant.getCreateTime());
+
+            boolean success = this.updateById(tenant);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "租户信息更新成功");
+                result.put("data", tenant);
+            } else {
+                result.put("success", false);
+                result.put("message", "租户信息更新失败");
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "更新异常：" + e.getMessage());
+        }
+        return result;
+    }
+
+    @Override
+    public Map<String, Object> deleteTenant(String id) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            if (id == null || id.trim().isEmpty()) {
+                result.put("success", false);
+                result.put("message", "租户ID不能为空");
+                return result;
+            }
+
+            // 检查租户是否存在
+            Tenant tenant = this.getById(id);
+            if (tenant == null) {
+                result.put("success", false);
+                result.put("message", "租户不存在");
+                return result;
+            }
+
+            boolean success = this.removeById(id);
+            if (success) {
+                result.put("success", true);
+                result.put("message", "租户删除成功");
+            } else {
+                result.put("success", false);
+                result.put("message", "租户删除失败");
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", "删除异常：" + e.getMessage());
+        }
+        return result;
+    }
 }