/// <summary>
/// 根据cabh取实体类
/// </summary>
/// <param name="cabh"></param>
/// <returns></returns>
public Niunan.CaiPiao.Model.News GetModelByCabh(string cabh)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from news where cabh=@cabh limit 1");
Niunan.CaiPiao.Model.News model = null;
using (var connection = ConnectionFactory.GetOpenConnection(ConnStr))
{
model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.News>(strSql.ToString(), new { cabh = cabh });
}
return(model);
}
/// <summary>更新一条数据
///
/// </summary>
public bool Update(Niunan.CaiPiao.Model.News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update news set ");
strSql.Append("createtime=@createtime, title=@title, body=@body, cabh=@cabh, caname=@caname, visitnum=@visitnum ");
strSql.Append(" where id=@id ");
using (var connection = ConnectionFactory.GetOpenConnection(ConnStr))
{
int i = connection.Execute(strSql.ToString(), model);
return(i > 0);
}
}
/// <summary>得到一个对象实体
///
/// </summary>
public Niunan.CaiPiao.Model.News GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from news ");
strSql.Append(" where id=@id ");
Niunan.CaiPiao.Model.News model = null;
using (var connection = ConnectionFactory.GetOpenConnection(ConnStr))
{
model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.News>(strSql.ToString(), new { id = id });
}
return(model);
}
/// <summary>增加一条数据
///
/// </summary>
public int Add(Niunan.CaiPiao.Model.News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into news(");
strSql.Append("createtime, title, body, cabh, caname, visitnum )");
strSql.Append(" values (");
strSql.Append("@createtime, @title, @body, @cabh, @caname, @visitnum ) ;select @@IDENTITY");
using (var connection = ConnectionFactory.GetOpenConnection(ConnStr))
{
int i = connection.QueryFirst <int>(strSql.ToString(), model);
return(i);
}
}
/// <summary>根据条件得到一个对象实体
///
/// </summary>
public Niunan.CaiPiao.Model.News GetModelByCond(string cond)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 * from news ");
if (!string.IsNullOrEmpty(cond))
{
strSql.Append(" where " + cond);
}
Niunan.CaiPiao.Model.News model = null;
using (var connection = ConnectionFactory.GetOpenConnection(ConnStr))
{
model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.News>(strSql.ToString());
}
return(model);
}
