/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Mxm.Model.attachment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into attachment(");
strSql.Append("path,depositor_id,depositor_type,create_time,file_type)");
strSql.Append(" values (");
strSql.Append("@path,@depositor_id,@depositor_type,@create_time,@file_type)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@path", SqlDbType.NVarChar, 500),
new SqlParameter("@depositor_id", SqlDbType.Int, 4),
new SqlParameter("@depositor_type", SqlDbType.Int, 4),
new SqlParameter("@create_time", SqlDbType.DateTime),
new SqlParameter("@file_type", SqlDbType.Int, 4)
};
parameters[0].Value = model.path;
parameters[1].Value = model.depositor_id;
parameters[2].Value = model.depositor_type;
parameters[3].Value = model.create_time;
parameters[4].Value = model.file_type;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(-1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(Mxm.Model.attachment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update attachment set ");
strSql.Append("path=@path,");
strSql.Append("depositor_id=@depositor_id,");
strSql.Append("depositor_type=@depositor_type,");
strSql.Append("create_time=@create_time,");
strSql.Append("file_type=@file_type");
strSql.Append(" where attach_id=@attach_id ");
SqlParameter[] parameters =
{
new SqlParameter("@attach_id", SqlDbType.Int, 4),
new SqlParameter("@path", SqlDbType.NVarChar, 500),
new SqlParameter("@depositor_id", SqlDbType.Int, 4),
new SqlParameter("@depositor_type", SqlDbType.Int, 4),
new SqlParameter("@create_time", SqlDbType.DateTime),
new SqlParameter("@file_type", SqlDbType.Int, 4)
};
parameters[0].Value = model.attach_id;
parameters[1].Value = model.path;
parameters[2].Value = model.depositor_id;
parameters[3].Value = model.depositor_type;
parameters[4].Value = model.create_time;
parameters[5].Value = model.file_type;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Mxm.Model.attachment GetModel(int attach_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select attach_id,path,depositor_id,depositor_type,create_time,file_type from attachment ");
strSql.Append(" where attach_id=@attach_id ");
SqlParameter[] parameters =
{
new SqlParameter("@attach_id", SqlDbType.Int, 4)
};
parameters[0].Value = attach_id;
Mxm.Model.attachment model = new Mxm.Model.attachment();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["attach_id"].ToString() != "")
{
model.attach_id = int.Parse(ds.Tables[0].Rows[0]["attach_id"].ToString());
}
model.path = ds.Tables[0].Rows[0]["path"].ToString();
if (ds.Tables[0].Rows[0]["depositor_id"].ToString() != "")
{
model.depositor_id = int.Parse(ds.Tables[0].Rows[0]["depositor_id"].ToString());
}
if (ds.Tables[0].Rows[0]["depositor_type"].ToString() != "")
{
model.depositor_type = int.Parse(ds.Tables[0].Rows[0]["depositor_type"].ToString());
}
if (ds.Tables[0].Rows[0]["create_time"].ToString() != "")
{
model.create_time = DateTime.Parse(ds.Tables[0].Rows[0]["create_time"].ToString());
}
if (ds.Tables[0].Rows[0]["file_type"].ToString() != "")
{
model.file_type = int.Parse(ds.Tables[0].Rows[0]["file_type"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// �õ�һ������ʵ��
/// </summary>
public Mxm.Model.attachment GetModel(int attach_id)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select attach_id,path,depositor_id,depositor_type,create_time,file_type from attachment ");
strSql.Append(" where attach_id=@attach_id ");
SqlParameter[] parameters = {
new SqlParameter("@attach_id", SqlDbType.Int,4)};
parameters[0].Value = attach_id;
Mxm.Model.attachment model=new Mxm.Model.attachment();
DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["attach_id"].ToString()!="")
{
model.attach_id=int.Parse(ds.Tables[0].Rows[0]["attach_id"].ToString());
}
model.path=ds.Tables[0].Rows[0]["path"].ToString();
if(ds.Tables[0].Rows[0]["depositor_id"].ToString()!="")
{
model.depositor_id=int.Parse(ds.Tables[0].Rows[0]["depositor_id"].ToString());
}
if(ds.Tables[0].Rows[0]["depositor_type"].ToString()!="")
{
model.depositor_type=int.Parse(ds.Tables[0].Rows[0]["depositor_type"].ToString());
}
if(ds.Tables[0].Rows[0]["create_time"].ToString()!="")
{
model.create_time=DateTime.Parse(ds.Tables[0].Rows[0]["create_time"].ToString());
}
if(ds.Tables[0].Rows[0]["file_type"].ToString()!="")
{
model.file_type=int.Parse(ds.Tables[0].Rows[0]["file_type"].ToString());
}
return model;
}
else
{
return null;
}
}