HTTP请求类，已封装get,post，delete,put代码,Asp.Net代码库,德仔网

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【Asp.Net】 HTTP请求类，已封装get,post，delete,put
作者:Diana / 发布于2015/12/9/ 1025

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using System.Net;
	using System.IO;
	using System.Web;
	namespace WebAPIClientDemo
	{
	 public class RestClient
	 {
	 private string BaseUri;
	 public RestClient(string baseUri)
	 {
	 this.BaseUri = baseUri;
	 }

	 #region Delete方式
	 public string Delete(string data, string uri)
	 {
	 return CommonHttpRequest(data, uri, "DELETE");
	 }

	 public string Delete(string uri)
	 {
	 //Web访问对象64
	 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
	 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
	 myRequest.Method = "DELETE";
	 // 获得接口返回值68
	 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
	 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
	 //string ReturnXml = HttpUtility.UrlDecode(reader.ReadToEnd());
	 string ReturnXml = reader.ReadToEnd();
	 reader.Close();
	 myResponse.Close();
	 return ReturnXml;
	 }
	 #endregion

	 #region Put方式
	 public string Put(string data, string uri)
	 {
	 return CommonHttpRequest(data, uri, "PUT");
	 }
	 #endregion

	 #region POST方式实现

	 public string Post(string data, string uri)
	 {
	 return CommonHttpRequest(data,uri,"POST");
	 }

	 public string CommonHttpRequest(string data, string uri,string type)
	 {
	 //Web访问对象，构造请求的url地址
	 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);

	 //构造http请求的对象
	 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
	 //转成网络流
	 byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);
	 //设置
	 myRequest.Method = type;
	 myRequest.ContentLength = buf.Length;
	 myRequest.ContentType = "application/json";
	 myRequest.MaximumAutomaticRedirections = 1;
	 myRequest.AllowAutoRedirect = true;
	 // 发送请求
	 Stream newStream = myRequest.GetRequestStream();
	 newStream.Write(buf, 0, buf.Length);
	 newStream.Close();
	 // 获得接口返回值
	 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
	 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
	 string ReturnXml = reader.ReadToEnd();
	 reader.Close();
	 myResponse.Close();
	 return ReturnXml;
	 }
	 #endregion

	 #region GET方式实现
	 public string Get(string uri)
	 {
	 //Web访问对象64
	 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
	
	 //构造一个Web请求的对象
	 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
	 // 获得接口返回值68
	 //获取web请求的响应的内容
	 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
	
	 //通过响应流构造一个StreamReader
	 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
	 //string ReturnXml = HttpUtility.UrlDecode(reader.ReadToEnd());
	 string ReturnXml = reader.ReadToEnd();
	 reader.Close();
	 myResponse.Close();
	 return ReturnXml;
	 }
	 #endregion
	 }
	}

	

	
	//调用代码demo
	 string serviceUrl = "http://localhost:44540/";
	 RestClient client = new RestClient(serviceUrl);
	 string data = @"{""UserName"":""1111"",""Age"":123,""Id"":133}";
	 string uriPost = "api/values/3";
	 string retPost = client.Put(data, uriPost);
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