/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BCW.Model.Visitor model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_Visitor(");
strSql.Append("UsID,UsName,VisitId,VisitName,AddTime)");
strSql.Append(" values (");
strSql.Append("@UsID,@UsName,@VisitId,@VisitName,@AddTime)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UsID", SqlDbType.Int, 4),
new SqlParameter("@UsName", SqlDbType.NVarChar, 50),
new SqlParameter("@VisitId", SqlDbType.Int, 4),
new SqlParameter("@VisitName", SqlDbType.NVarChar, 50),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UsID;
parameters[1].Value = model.UsName;
parameters[2].Value = model.VisitId;
parameters[3].Value = model.VisitName;
parameters[4].Value = model.AddTime;
object obj = SqlHelper.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 BCW.Model.Visitor GetVisitor(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,UsID,UsName,VisitId,VisitName,AddTime from tb_Visitor ");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
BCW.Model.Visitor model = new BCW.Model.Visitor();
using (SqlDataReader reader = SqlHelper.ExecuteReader(strSql.ToString(), parameters))
{
if (reader.HasRows)
{
reader.Read();
model.ID = reader.GetInt32(0);
model.UsID = reader.GetInt32(1);
model.UsName = reader.GetString(2);
model.VisitId = reader.GetInt32(3);
model.VisitName = reader.GetString(4);
model.AddTime = reader.GetDateTime(5);
return(model);
}
else
{
return(null);
}
}
}
/// <summary>
/// 取得每页记录
/// </summary>
/// <param name="p_pageIndex">当前页</param>
/// <param name="p_pageSize">分页大小</param>
/// <param name="p_recordCount">返回总记录数</param>
/// <param name="strWhere">查询条件</param>
/// <returns>IList Visitor</returns>
public IList <BCW.Model.Visitor> GetVisitors(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount)
{
IList <BCW.Model.Visitor> listVisitors = new List <BCW.Model.Visitor>();
string sTable = "tb_Visitor";
string sPkey = "id";
string sField = "ID,UsID,UsName,VisitId,VisitName,AddTime";
string sCondition = strWhere;
string sOrder = "AddTime Desc";
int iSCounts = 0;
using (SqlDataReader reader = SqlHelper.RunProcedureMe(sTable, sPkey, sField, p_pageIndex, p_pageSize, sCondition, sOrder, iSCounts, out p_recordCount))
{
//计算总页数
if (p_recordCount > 0)
{
int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex);
}
else
{
return(listVisitors);
}
while (reader.Read())
{
BCW.Model.Visitor objVisitor = new BCW.Model.Visitor();
objVisitor.ID = reader.GetInt32(0);
objVisitor.UsID = reader.GetInt32(1);
objVisitor.UsName = reader.GetString(2);
objVisitor.VisitId = reader.GetInt32(3);
objVisitor.VisitName = reader.GetString(4);
objVisitor.AddTime = reader.GetDateTime(5);
listVisitors.Add(objVisitor);
}
}
return(listVisitors);
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(BCW.Model.Visitor model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_Visitor set ");
strSql.Append("UsID=@UsID,");
strSql.Append("UsName=@UsName,");
strSql.Append("VisitId=@VisitId,");
strSql.Append("VisitName=@VisitName,");
strSql.Append("AddTime=@AddTime");
strSql.Append(" where UsID=@UsID");
strSql.Append(" and VisitId=@VisitId");
SqlParameter[] parameters =
{
new SqlParameter("@UsID", SqlDbType.Int, 4),
new SqlParameter("@UsName", SqlDbType.NVarChar, 50),
new SqlParameter("@VisitId", SqlDbType.Int, 4),
new SqlParameter("@VisitName", SqlDbType.NVarChar, 50),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UsID;
parameters[1].Value = model.UsName;
parameters[2].Value = model.VisitId;
parameters[3].Value = model.VisitName;
parameters[4].Value = model.AddTime;
SqlHelper.ExecuteSql(strSql.ToString(), parameters);
}
