C# 中经常用到的HTTP请求类,已封装get,post,delete,put

时间:2023-03-08 16:18:42
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 = ;
myRequest.AllowAutoRedirect = true;
// 发送请求
Stream newStream = myRequest.GetRequestStream();
newStream.Write(buf, , 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);