using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Text; using System.Web; namespace WebApplication1 { public class RestClient { private string BaseUri; public RestClient(string baseUri) { this.BaseUri = baseUri; } #region Get请求 public string Get(string uri) { //先根据用户请求的uri构造请求地址 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri); //创建Web访问对 象 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl); //通过Web访问对象获取响应内容 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //通过响应内容流创建StreamReader对象,因为StreamReader更高级更快 StreamReader reader = new StreamReader(myResponse.GetResponseStream(),Encoding.UTF8); //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法 string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾 reader.Close(); myResponse.Close(); return returnXml; } #endregion #region Post请求 public string Post(string data, string uri) { //先根据用户请求的uri构造请求地址 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri); //创建Web访问对象 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl); //把用户传过来的数据转成“UTF-8”的字节流 byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data); myRequest.Method = "POST"; myRequest.ContentLength = buf.Length; myRequest.ContentType = "application/json"; myRequest.MaximumAutomaticRedirections = 1; myRequest.AllowAutoRedirect = true; //发送请求 Stream stream = myRequest.GetRequestStream(); stream.Write(buf,0,buf.Length); stream.Close(); //获取接口返回值 //通过Web访问对象获取响应内容 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //通过响应内容流创建StreamReader对象,因为StreamReader更高级更快 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法 string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾 reader.Close(); myResponse.Close(); return returnXml; } #endregion #region Put请求 public string Put(string data, string uri) { //先根据用户请求的uri构造请求地址 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri); //创建Web访问对象 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl); //把用户传过来的数据转成“UTF-8”的字节流 byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data); myRequest.Method = "PUT"; myRequest.ContentLength = buf.Length; myRequest.ContentType = "application/json"; myRequest.MaximumAutomaticRedirections = 1; myRequest.AllowAutoRedirect = true; //发送请求 Stream stream = myRequest.GetRequestStream(); stream.Write(buf, 0, buf.Length); stream.Close(); //获取接口返回值 //通过Web访问对象获取响应内容 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //通过响应内容流创建StreamReader对象,因为StreamReader更高级更快 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法 string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾 reader.Close(); myResponse.Close(); return returnXml; } #endregion #region Delete请求 public string Delete(string data, string uri) { //先根据用户请求的uri构造请求地址 string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri); //创建Web访问对象 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl); //把用户传过来的数据转成“UTF-8”的字节流 byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data); myRequest.Method = "DELETE"; myRequest.ContentLength = buf.Length; myRequest.ContentType = "application/json"; myRequest.MaximumAutomaticRedirections = 1; myRequest.AllowAutoRedirect = true; //发送请求 Stream stream = myRequest.GetRequestStream(); stream.Write(buf, 0, buf.Length); stream.Close(); //获取接口返回值 //通过Web访问对象获取响应内容 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); //通过响应内容流创建StreamReader对象,因为StreamReader更高级更快 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法 string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾 reader.Close(); myResponse.Close(); return returnXml; } #endregion } }