/// <summary>
/// 得到一个对象实体
/// </summary>
public starweibo.Model.photos DataRowToModel(DataRow row)
{
starweibo.Model.photos model = new starweibo.Model.photos();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["imageName"] != null)
{
model.imageName = row["imageName"].ToString();
}
if (row["imgPath"] != null)
{
model.imgPath = row["imgPath"].ToString();
}
if (row["uploadDate"] != null && row["uploadDate"].ToString() != "")
{
model.uploadDate = DateTime.Parse(row["uploadDate"].ToString());
}
if (row["photoGroupId"] != null && row["photoGroupId"].ToString() != "")
{
model.photoGroupId = int.Parse(row["photoGroupId"].ToString());
}
if (row["userId"] != null && row["userId"].ToString() != "")
{
model.userId = int.Parse(row["userId"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(starweibo.Model.photos model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into photos(");
strSql.Append("imageName,imgPath,uploadDate,photoGroupId,userId)");
strSql.Append(" values (");
strSql.Append("@imageName,@imgPath,@uploadDate,@photoGroupId,@userId)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@imageName", SqlDbType.NVarChar, 150),
new SqlParameter("@imgPath", SqlDbType.NVarChar, 300),
new SqlParameter("@uploadDate", SqlDbType.DateTime),
new SqlParameter("@photoGroupId", SqlDbType.Int, 4),
new SqlParameter("@userId", SqlDbType.Int, 4)
};
parameters[0].Value = model.imageName;
parameters[1].Value = model.imgPath;
parameters[2].Value = model.uploadDate;
parameters[3].Value = model.photoGroupId;
parameters[4].Value = model.userId;
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(starweibo.Model.photos model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update photos set ");
strSql.Append("imageName=@imageName,");
strSql.Append("imgPath=@imgPath,");
strSql.Append("uploadDate=@uploadDate,");
strSql.Append("photoGroupId=@photoGroupId,");
strSql.Append("userId=@userId");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@imageName", SqlDbType.NVarChar, 150),
new SqlParameter("@imgPath", SqlDbType.NVarChar, 300),
new SqlParameter("@uploadDate", SqlDbType.DateTime),
new SqlParameter("@photoGroupId", SqlDbType.Int, 4),
new SqlParameter("@userId", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.imageName;
parameters[1].Value = model.imgPath;
parameters[2].Value = model.uploadDate;
parameters[3].Value = model.photoGroupId;
parameters[4].Value = model.userId;
parameters[5].Value = model.id;
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 starweibo.Model.photos GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,imageName,imgPath,uploadDate,photoGroupId,userId from photos ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
starweibo.Model.photos model = new starweibo.Model.photos();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
