/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Hch.iDisk.Model.Dirtory model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Dirtory(");
strSql.Append("ParentDirId,UId,DirName,DirDesc)");
strSql.Append(" values (");
strSql.Append("@ParentDirId,@UId,@DirName,@DirDesc)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@ParentDirId", SqlDbType.Int, 4),
new SqlParameter("@UId", SqlDbType.Int, 4),
new SqlParameter("@DirName", SqlDbType.VarChar, 50),
new SqlParameter("@DirDesc", SqlDbType.VarChar, 100)
};
parameters[0].Value = model.ParentDirId;
parameters[1].Value = model.UId;
parameters[2].Value = model.DirName;
parameters[3].Value = model.DirDesc;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Hch.iDisk.Model.Dirtory model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Dirtory set ");
strSql.Append("ParentDirId=@ParentDirId,");
strSql.Append("UId=@UId,");
strSql.Append("DirName=@DirName,");
strSql.Append("DirDesc=@DirDesc");
strSql.Append(" where DirId=@DirId");
SqlParameter[] parameters =
{
new SqlParameter("@ParentDirId", SqlDbType.Int, 4),
new SqlParameter("@UId", SqlDbType.Int, 4),
new SqlParameter("@DirName", SqlDbType.VarChar, 50),
new SqlParameter("@DirDesc", SqlDbType.VarChar, 100),
new SqlParameter("@DirId", SqlDbType.Int, 4)
};
parameters[0].Value = model.ParentDirId;
parameters[1].Value = model.UId;
parameters[2].Value = model.DirName;
parameters[3].Value = model.DirDesc;
parameters[4].Value = model.DirId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Hch.iDisk.Model.Dirtory GetModel(int DirId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 DirId,ParentDirId,UId,DirName,DirDesc from Dirtory ");
strSql.Append(" where DirId=@DirId");
SqlParameter[] parameters =
{
new SqlParameter("@DirId", SqlDbType.Int, 4)
};
parameters[0].Value = DirId;
Hch.iDisk.Model.Dirtory model = new Hch.iDisk.Model.Dirtory();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["DirId"].ToString() != "")
{
model.DirId = int.Parse(ds.Tables[0].Rows[0]["DirId"].ToString());
}
if (ds.Tables[0].Rows[0]["ParentDirId"].ToString() != "")
{
model.ParentDirId = int.Parse(ds.Tables[0].Rows[0]["ParentDirId"].ToString());
}
if (ds.Tables[0].Rows[0]["UId"].ToString() != "")
{
model.UId = int.Parse(ds.Tables[0].Rows[0]["UId"].ToString());
}
if (ds.Tables[0].Rows[0]["DirName"] != null)
{
model.DirName = ds.Tables[0].Rows[0]["DirName"].ToString();
}
if (ds.Tables[0].Rows[0]["DirDesc"] != null)
{
model.DirDesc = ds.Tables[0].Rows[0]["DirDesc"].ToString();
}
return(model);
}
else
{
return(null);
}
}
