直接上代码
后台代码
//接口地址
string url = "http://spherefg.topsmoon.com:6666/restapi/Comment/SubmitCommentFromPC?commentPeople=1067&comment=%E4%B8%AD%E8%AF%84&content=%E6%B5%8B%E8%AF%95&taskId=1160&userId=1";//Get请求 HttpWebResponse w = HttpHelper.CreateGetHttpResponse(url, 30000, null, null); StreamReader sr = new StreamReader(w.GetResponseStream()); string/*这是Json字符串*/ jsonstr = sr.ReadToEnd();
工具类：
using System;using System.Collections.Generic;using System.IO;using System.Net;using System.Net.Security;using System.Security.Cryptography.X509Certificates;using System.Text;public class HttpHelper{ /// <summary> /// 创建GET方式的HTTP请求 /// </summary> /// public static HttpWebResponse CreateGetHttpResponse(string url, int timeout, string userAgent, CookieCollection cookies) { HttpWebRequest request = null; if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)) { //对服务端证书进行有效性校验（非第三方权威机构颁发的证书，如自己生成的，不进行验证，这里返回true） ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); request = WebRequest.Create(url) as HttpWebRequest; request.ProtocolVersion = HttpVersion.Version10; //http版本，默认是1.1,这里设置为1.0 } else { request = WebRequest.Create(url) as HttpWebRequest; } request.Method = "GET"; //设置代理UserAgent和超时 //request.UserAgent = userAgent; //request.Timeout = timeout; if (cookies != null) { request.CookieContainer = new CookieContainer(); request.CookieContainer.Add(cookies); } return request.GetResponse() as HttpWebResponse; } /// <summary> /// 创建POST方式的HTTP请求 /// </summary> public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int timeout, string userAgent, CookieCollection cookies) { HttpWebRequest request = null; //如果是发送HTTPS请求 if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)) { //ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); request = WebRequest.Create(url) as HttpWebRequest; //request.ProtocolVersion = HttpVersion.Version10; } else { request = WebRequest.Create(url) as HttpWebRequest; } request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; //设置代理UserAgent和超时 //request.UserAgent = userAgent; //request.Timeout = timeout; if (cookies != null) { request.CookieContainer = new CookieContainer(); request.CookieContainer.Add(cookies); } //发送POST数据 if (!(parameters == null || parameters.Count == 0)) { StringBuilder buffer = new StringBuilder(); int i = 0; foreach (string key in parameters.Keys) { if (i > 0) { buffer.AppendFormat("&{0}={1}", key, parameters[key]); } else { buffer.AppendFormat("{0}={1}", key, parameters[key]); i++; } } byte[] data = Encoding.ASCII.GetBytes(buffer.ToString()); using (Stream stream = request.GetRequestStream()) { stream.Write(data, 0, data.Length); } } string[] values = request.Headers.GetValues("Content-Type"); return request.GetResponse() as HttpWebResponse; } /// <summary> /// 获取请求的数据 /// </summary> public static string GetResponseString(HttpWebResponse webresponse) { using (Stream s = webresponse.GetResponseStream()) { StreamReader reader = new StreamReader(s, Encoding.UTF8); return reader.ReadToEnd(); } } /// <summary> /// 验证证书 /// </summary> private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { if (errors == SslPolicyErrors.None) return true; return false; }}