c# 调用接口返回json

 

需要命名空间

using System.Net;

using System.Net.Security

using System.Security.Cryptography.X509Certificates;

using System.Web.Script.Serialization;

using Newtonsoft.Json;

//来对远程X.509证书的验证进行处理防止出现未能为SSL/TLS 安全通道建立信任关系错误

public static class Util
{
　　public static void SetCertificatePolicy()
　　{
　　　ServicePointManager.ServerCertificateValidationCallback
　　　　+= RemoteCertificateValidate;
　　}

　　private static bool RemoteCertificateValidate(
　　object sender, X509Certificate cert,
　　X509Chain chain, SslPolicyErrors error)
　{
　　System.Console.WriteLine("Warning, trust any certificate");
　　return true;
　}
}

public string Token()
{
　　string parameters = "acount=123&&pwd=456";//接口账号密码