/// <summary>
/// 更新一条数据
/// </summary>
public void Update(Mxm.Model.download model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update download set ");
strSql.Append("name=@name,");
strSql.Append("remark=@remark,");
strSql.Append("picture=@picture,");
strSql.Append("path=@path,");
strSql.Append("sort=@sort,");
strSql.Append("create_time=@create_time");
strSql.Append(" where down_id=@down_id ");
SqlParameter[] parameters =
{
new SqlParameter("@down_id", SqlDbType.Int, 4),
new SqlParameter("@name", SqlDbType.NVarChar, 100),
new SqlParameter("@remark", SqlDbType.NVarChar, 500),
new SqlParameter("@picture", SqlDbType.NVarChar, 250),
new SqlParameter("@path", SqlDbType.NVarChar, 250),
new SqlParameter("@sort", SqlDbType.Int, 4),
new SqlParameter("@create_time", SqlDbType.DateTime)
};
parameters[0].Value = model.down_id;
parameters[1].Value = model.name;
parameters[2].Value = model.remark;
parameters[3].Value = model.picture;
parameters[4].Value = model.path;
parameters[5].Value = model.sort;
parameters[6].Value = model.create_time;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Mxm.Model.download GetModel(int down_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select down_id,name,remark,picture,path,sort,create_time from download ");
strSql.Append(" where down_id=@down_id ");
SqlParameter[] parameters =
{
new SqlParameter("@down_id", SqlDbType.Int, 4)
};
parameters[0].Value = down_id;
Mxm.Model.download model = new Mxm.Model.download();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["down_id"].ToString() != "")
{
model.down_id = int.Parse(ds.Tables[0].Rows[0]["down_id"].ToString());
}
model.name = ds.Tables[0].Rows[0]["name"].ToString();
model.remark = ds.Tables[0].Rows[0]["remark"].ToString();
model.picture = ds.Tables[0].Rows[0]["picture"].ToString();
model.path = ds.Tables[0].Rows[0]["path"].ToString();
if (ds.Tables[0].Rows[0]["sort"].ToString() != "")
{
model.sort = int.Parse(ds.Tables[0].Rows[0]["sort"].ToString());
}
if (ds.Tables[0].Rows[0]["create_time"].ToString() != "")
{
model.create_time = DateTime.Parse(ds.Tables[0].Rows[0]["create_time"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Mxm.Model.download model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into download(");
strSql.Append("name,remark,picture,path,sort,create_time)");
strSql.Append(" values (");
strSql.Append("@name,@remark,@picture,@path,@sort,@create_time)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.NVarChar, 100),
new SqlParameter("@remark", SqlDbType.NVarChar, 500),
new SqlParameter("@picture", SqlDbType.NVarChar, 250),
new SqlParameter("@path", SqlDbType.NVarChar, 250),
new SqlParameter("@sort", SqlDbType.Int, 4),
new SqlParameter("@create_time", SqlDbType.DateTime)
};
parameters[0].Value = model.name;
parameters[1].Value = model.remark;
parameters[2].Value = model.picture;
parameters[3].Value = model.path;
parameters[4].Value = model.sort;
parameters[5].Value = model.create_time;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(-1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Mxm.Model.download GetModel(int down_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select down_id,name,remark,picture,path,sort,create_time from download ");
strSql.Append(" where down_id=@down_id ");
SqlParameter[] parameters = {
new SqlParameter("@down_id", SqlDbType.Int,4)};
parameters[0].Value = down_id;
Mxm.Model.download model = new Mxm.Model.download();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["down_id"].ToString() != "")
{
model.down_id = int.Parse(ds.Tables[0].Rows[0]["down_id"].ToString());
}
model.name = ds.Tables[0].Rows[0]["name"].ToString();
model.remark = ds.Tables[0].Rows[0]["remark"].ToString();
model.picture = ds.Tables[0].Rows[0]["picture"].ToString();
model.path = ds.Tables[0].Rows[0]["path"].ToString();
if (ds.Tables[0].Rows[0]["sort"].ToString() != "")
{
model.sort = int.Parse(ds.Tables[0].Rows[0]["sort"].ToString());
}
if (ds.Tables[0].Rows[0]["create_time"].ToString() != "")
{
model.create_time = DateTime.Parse(ds.Tables[0].Rows[0]["create_time"].ToString());
}
return model;
}
else
{
return null;
}
}
