public class PayCommonUtil { //定义签名,微信根据参数字段的ASCII码值进行排序 加密签名,故使用SortMap进行参数排序 public static String createSign(String characterEncoding,SortedMap<String,String> parameters){ StringBuffer sb = new StringBuffer(); Set es = parameters.entrySet(); Itera
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Security.Cryptography; using System.Security.Cryptography.X509Certificates; using System.Text; using System.Web; using System.Web.UI; u