/// <summary>
/// 添加属性列表
/// </summary>
private void AddProperties(AlipayParameterBuilder builder)
{
AddAttribute("id", FormId);
AddAttribute("name", FormId);
AddAttribute("action", builder.Config.GetGatewayUrl());
AddAttribute("charset", builder.GetValue(AlipayConst.Charset).SafeString());
AddAttribute("method", "POST");
}
