/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(HeqiaoDaoshiCore.Model.News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update News set ");
strSql.Append("CreateTime=@CreateTime,");
strSql.Append("Title=@Title,");
strSql.Append("NewsContent=@NewsContent,");
strSql.Append("IsDelete=@IsDelete,");
strSql.Append("ReleaseState=@ReleaseState");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@CreateTime", SqlDbType.DateTime),
new SqlParameter("@Title", SqlDbType.NVarChar, 50),
new SqlParameter("@NewsContent", SqlDbType.NVarChar, -1),
new SqlParameter("@IsDelete", SqlDbType.Int, 4),
new SqlParameter("@ReleaseState", SqlDbType.Int, 4),
new SqlParameter("@ID", SqlDbType.Int, 4),
new SqlParameter("@NewsUUID", SqlDbType.UniqueIdentifier, 16)
};
parameters[0].Value = model.CreateTime;
parameters[1].Value = model.Title;
parameters[2].Value = model.NewsContent;
parameters[3].Value = model.IsDelete;
parameters[4].Value = model.ReleaseState;
parameters[5].Value = model.ID;
parameters[6].Value = model.NewsUUID;
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 HeqiaoDaoshiCore.Model.News DataRowToModel(DataRow row)
{
HeqiaoDaoshiCore.Model.News model = new HeqiaoDaoshiCore.Model.News();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["CreateTime"] != null && row["CreateTime"].ToString() != "")
{
model.CreateTime = DateTime.Parse(row["CreateTime"].ToString());
}
if (row["NewsUUID"] != null && row["NewsUUID"].ToString() != "")
{
model.NewsUUID = new Guid(row["NewsUUID"].ToString());
}
if (row["Title"] != null)
{
model.Title = row["Title"].ToString();
}
if (row["NewsContent"] != null)
{
model.NewsContent = row["NewsContent"].ToString();
}
if (row["IsDelete"] != null && row["IsDelete"].ToString() != "")
{
model.IsDelete = int.Parse(row["IsDelete"].ToString());
}
if (row["ReleaseState"] != null && row["ReleaseState"].ToString() != "")
{
model.ReleaseState = int.Parse(row["ReleaseState"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(HeqiaoDaoshiCore.Model.News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into News(");
strSql.Append("CreateTime,NewsUUID,Title,NewsContent,IsDelete,ReleaseState)");
strSql.Append(" values (");
strSql.Append("@CreateTime,@NewsUUID,@Title,@NewsContent,@IsDelete,@ReleaseState)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@CreateTime", SqlDbType.DateTime),
new SqlParameter("@NewsUUID", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@Title", SqlDbType.NVarChar, 50),
new SqlParameter("@NewsContent", SqlDbType.NVarChar, -1),
new SqlParameter("@IsDelete", SqlDbType.Int, 4),
new SqlParameter("@ReleaseState", SqlDbType.Int, 4)
};
parameters[0].Value = model.CreateTime;
parameters[1].Value = Guid.NewGuid();
parameters[2].Value = model.Title;
parameters[3].Value = model.NewsContent;
parameters[4].Value = model.IsDelete;
parameters[5].Value = model.ReleaseState;
object obj = DbHelperSql.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public HeqiaoDaoshiCore.Model.News GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,CreateTime,NewsUUID,Title,NewsContent,IsDelete,ReleaseState from News ");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
HeqiaoDaoshiCore.Model.News model = new HeqiaoDaoshiCore.Model.News();
DataSet ds = DbHelperSql.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
