/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(bbs.Model.Topic model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_topic set ");
strSql.Append("content=@content,");
strSql.Append("modifytime=@modifytime,");
strSql.Append("publishtime=@publishtime,");
strSql.Append("title=@title,");
strSql.Append("good=@good,");
strSql.Append("[top]=@top");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@content", SqlDbType.VarChar, 1000),
new SqlParameter("@modifytime", SqlDbType.DateTime),
new SqlParameter("@publishtime", SqlDbType.DateTime),
new SqlParameter("@title", SqlDbType.VarChar, 200),
new SqlParameter("@good", SqlDbType.VarChar, 10),
new SqlParameter("@top", SqlDbType.VarChar, 10),
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@t_u_id", SqlDbType.Int, 4),
new SqlParameter("@t_s_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.content;
parameters[1].Value = model.modifytime;
parameters[2].Value = model.publishtime;
parameters[3].Value = model.title;
parameters[4].Value = model.good;
parameters[5].Value = model.top;
parameters[6].Value = model.id;
parameters[7].Value = model.t_u_id;
parameters[8].Value = model.t_s_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 bbs.Model.Topic DataRowToModel(DataRow row)
{
bbs.Model.Topic model = new bbs.Model.Topic();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["t_u_id"] != null && row["t_u_id"].ToString() != "")
{
model.t_u_id = int.Parse(row["t_u_id"].ToString());
}
if (row["t_s_id"] != null && row["t_s_id"].ToString() != "")
{
model.t_s_id = int.Parse(row["t_s_id"].ToString());
}
if (row["content"] != null)
{
model.content = row["content"].ToString();
}
if (row["modifytime"] != null && row["modifytime"].ToString() != "")
{
model.modifytime = DateTime.Parse(row["modifytime"].ToString());
}
if (row["publishtime"] != null && row["publishtime"].ToString() != "")
{
model.publishtime = DateTime.Parse(row["publishtime"].ToString());
}
if (row["title"] != null)
{
model.title = row["title"].ToString();
}
if (row["good"] != null)
{
model.good = row["good"].ToString();
}
if (row["top"] != null)
{
model.top = row["top"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(bbs.Model.Topic model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_topic(");
strSql.Append("t_u_id,t_s_id,content,modifytime,publishtime,title,good,[top])");
strSql.Append(" values (");
strSql.Append("@t_u_id,@t_s_id,@content,@modifytime,@publishtime,@title,@good,@top)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@t_u_id", SqlDbType.Int, 4),
new SqlParameter("@t_s_id", SqlDbType.Int, 4),
new SqlParameter("@content", SqlDbType.VarChar, 1000),
new SqlParameter("@modifytime", SqlDbType.DateTime),
new SqlParameter("@publishtime", SqlDbType.DateTime),
new SqlParameter("@title", SqlDbType.VarChar, 200),
new SqlParameter("@good", SqlDbType.VarChar, 10),
new SqlParameter("@top", SqlDbType.VarChar, 10)
};
parameters[0].Value = model.t_u_id;
parameters[1].Value = model.t_s_id;
parameters[2].Value = model.content;
parameters[3].Value = model.modifytime;
parameters[4].Value = model.publishtime;
parameters[5].Value = model.title;
parameters[6].Value = model.good;
parameters[7].Value = model.top;
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 bbs.Model.Topic GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,t_u_id,t_s_id,content,modifytime,publishtime,title,good,[top] from t_topic ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
bbs.Model.Topic model = new bbs.Model.Topic();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
