【无私分享：从入门到精通ASP.NET MVC】从零开始，一起搭框架、做项目（7.2） 模块管理，模块的添加、修改、删除

1  bool isEdit = false;
2  var json = new JsonHelper() { Msg = "保存成功", Status = "n" };

1             try
2             {
3              
4             }
5             catch (Exception e)
6             {
7                 json.Msg = "保存模块发生内部错误！";
8                 WriteLog(Common.Enums.enumOperator.None, "保存模块：", e);
9             }

1                 if (entity != null)
2                 {
3                     
4                 }
5                 else
6                 {
7                     json.Msg = "未找到需要保存的模块";
8                 }

1                     //验证
2                     if (!Regex.IsMatch(entity.ALIAS, @"^[A-Za-z0-9]{1,20}$"))
3                     {
4                         json.Msg = "模块别名只能以字母数字组成，长度不能超过20个字符";
5                         return Json(json);
6                     }

1                     //级别加1，一级模块默认0
2                     if (entity.PARENTID <= 0)
3                     {
4                         entity.LEVELS = 0;
5                     }
6                     else
7                     {
8                         entity.LEVELS = this.ModuleManage.Get(p => p.ID == entity.PARENTID).LEVELS + 1;                       
9                     }

 1                     //添加
 2                     if (entity.ID <= 0)
 3                     {
 4                         entity.CREATEDATE = DateTime.Now;
 5                         entity.CREATEUSER = this.CurrentUser.Name;
 6                         entity.UPDATEDATE = DateTime.Now;
 7                         entity.UPDATEUSER = this.CurrentUser.Name;
 8                     }
 9                     else //修改
10                     {
11                         entity.UPDATEDATE = DateTime.Now;
12                         entity.UPDATEUSER = this.CurrentUser.Name;
13                         isEdit = true;
14                     }

 1                   //模块别名同系统下不能重复
 2                     if (this.ModuleManage.IsExist(p => p.FK_BELONGSYSTEM == entity.FK_BELONGSYSTEM && p.ALIAS == entity.ALIAS && p.ID != entity.ID))
 3                     {
 4                         json.Msg = "同系统下模块别名不能重复";
 5                         return Json(json);
 6                     }
 7                     //判断同一个父模块下，是否重名 
 8                     if (!this.ModuleManage.IsExist(p => p.PARENTID == entity.PARENTID && p.FK_BELONGSYSTEM == entity.FK_BELONGSYSTEM && p.NAME == entity.NAME && p.ID != entity.ID))
 9                     {
10                         
11                     }
12                     else
13                     {
14                         json.Msg = "模块" + entity.NAME + "已存在，不能重复添加";
15                     }

1                        if (this.ModuleManage.SaveOrUpdate(entity, isEdit))
2                         {
3                             
4                             json.Status = "y";
5                         }
6                         else
7                         {
8                             json.Msg = "保存失败";
9                         }

1                            //变更下级模块的级别
2                             if (isEdit)
3                             {
4                                 this.ModuleManage.MoreModifyModule(entity.ID, Convert.ToInt32(entity.LEVELS));
5                             }

 1             JsonHelper json = new JsonHelper() { Msg = "删除模块成功", ReUrl = "", Status = "n" };
 2             try
 3             {
 4                 if (!string.IsNullOrEmpty(idList))
 5                 {
 6                     
 7                 }
 8                 else
 9                 {
10                     json.Msg = "未找到要删除的模块";
11                 }
12                 WriteLog(Common.Enums.enumOperator.Remove, "删除模块，结果：" + json.Msg, Common.Enums.enumLog4net.WARN);
13             }
14             catch (Exception e)
15             {
16                 json.Msg = "删除模块发生内部错误！";
17                 WriteLog(Common.Enums.enumOperator.Remove, "删除模块：", e);
18             }
19             return Json(json);

1 var idlist1 = idList.Trim(',').Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries).Select(p => int.Parse(p)).ToList();

1                    //判断权限里面有没有
2                     if (!this.PermissionManage.IsExist(p => idlist1.Any(e => e == p.MODULEID)))
3                     {
4                         
5                     }
6                     else
7                     {
8                         json.Msg = "该模块下有权限节点，不能删除";
9                     }

1                         //存在子模块与否
2                         if (!this.ModuleManage.IsExist(p => idlist1.Any(e => e == p.PARENTID)))
3                         {
4                             
5                         }
6                         else
7                         {
8                             json.Msg = "该模块下有子模块，不能删除";
9                         }

1 this.ModuleManage.Delete(p => idlist1.Any(e => e == p.ID));
2 json.Status = "y";