Пример #1
0
 /// <summary>
 /// 新增或保存诗歌
 /// </summary>
 /// <param name="poem"></param>
 /// <returns>success or fail</returns>
 public string SavePoem(Poem poem)
 {
     try
     {
         using (PoemDbContext db = new PoemDbContext())
         {
             if (poem.PoemID == Guid.Parse("00000000-0000-0000-0000-000000000000"))//无id传进来,是新增
             {
                 poem.PoemID = Guid.NewGuid();
                 db.Poem.Add(poem);
             }
             else//保存
             {
                 var p = db.Poem.Find(poem.PoemID);
                 p.Title   = poem.Title;
                 p.Content = poem.Content;
             }
             int res = db.SaveChanges();
             return(res > 0 ? "success" : "fail");
         }
     }
     catch (Exception e)
     {
         throw e;
     }
 }
Пример #2
0
 /// <summary>
 /// 新增用户
 /// </summary>
 /// <param name="user">用户实体</param>
 /// <returns>用户实体</returns>
 public User AddUser(User user)
 {
     try
     {
         using (PoemDbContext db = new PoemDbContext())
         {
             user.UserID = Guid.NewGuid();
             db.User.Add(user);
             int res = db.SaveChanges();
             return(res > 0 ? user : null);
         }
     }
     catch (Exception e)
     {
         throw e;
     }
 }
Пример #3
0
 /// <summary>
 /// 跟新User
 /// </summary>
 /// <param name="user"></param>
 /// <returns>success or fail</returns>
 public string UpdateUser(User user)
 {
     try
     {
         int res = 0;
         using (PoemDbContext db = new PoemDbContext())
         {
             User u = db.User.Find(user.UserID);
             if (u != null)
             {
                 u.UserName = user.UserName;
                 u.Password = user.Password;
                 res        = db.SaveChanges();
             }
             return(res > 0 ? "success" : "fail");
         }
     }
     catch (Exception e)
     {
         throw e;
     }
 }
Пример #4
0
 public void SaveChanges()
 {
     _context.SaveChanges();
 }