/// <summary>
/// 生成页面类请求所需URL或Form表单
/// </summary>
/// <param name="method">GET或POST，决定是生成URL还是Form表单</param>
/// <param name="systemParams">系统参数集合</param>
/// <param name="bizParams">业务参数集合</param>
/// <param name="textParams">其他额外文本参数集合</param>
/// <param name="sign">所有参数的签名值</param>
/// <returns>生成的URL字符串或表单</returns>
protected string _generatePage(string method, Dictionary <string, string> systemParams, Dictionary <string, object> bizParams,
Dictionary <string, string> textParams, string sign)
{
if (AlipayConstants.GET.Equals(method))
{
//采集并排序所有参数
IDictionary <string, string> sortedMap = GetSortedMap(systemParams, bizParams, textParams);
sortedMap.Add(AlipayConstants.SIGN_FIELD, sign);
//将所有参数置于URL中
return(GetGatewayServerUrl() + "?" + BuildQueryString(sortedMap));
}
else if (AlipayConstants.POST.Equals(method))
{
//将系统参数、额外文本参数排序后置于URL中
IDictionary <string, string> urlParams = GetSortedMap(systemParams, null, textParams);
urlParams.Add(AlipayConstants.SIGN_FIELD, sign);
string actionUrl = GetGatewayServerUrl() + "?" + BuildQueryString(urlParams);
//将业务参数排序后置于form表单中
IDictionary <string, string> formParams = new SortedDictionary <string, string>()
{
{ AlipayConstants.BIZ_CONTENT_FIELD, JsonUtil.ToJsonString(bizParams) }
};
return(PageUtil.BuildForm(actionUrl, formParams));
}
else
{
throw new Exception("_generatePage中method只支持传入GET或POST");
}
}
