/// <summary>
/// 重写虚方法,此方法在Init事件执行
/// </summary>
protected override void InitPage()
{
base.InitPage();
investment_type = DTRequest.GetQueryInt("investment_type");
page = Math.Max(1, DTRequest.GetQueryInt("page"));
time_span_start = DTRequest.GetQueryLong("time_span_start");
time_span_end = DTRequest.GetQueryLong("time_span_end");
}