103 lines
4.8 KiB
C#
103 lines
4.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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namespace _1200gFtp
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{
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public class netOptions
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{
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public static string HttpPost(string Url, string postDataStr)
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{
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WebRequest request = WebRequest.Create(Url);
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request.Method = "POST";
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request.ContentType = "application/json";
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byte[] buf = Encoding.UTF8.GetBytes(postDataStr);
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byte[] byteArray = System.Text.Encoding.Default.GetBytes(postDataStr);
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request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
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request.GetRequestStream().Write(buf, 0, buf.Length);
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WebResponse response = request.GetResponse();
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Stream myResponseStream = response.GetResponseStream();
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StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
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string retString = myStreamReader.ReadToEnd();
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myStreamReader.Close();
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myResponseStream.Close();
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return retString;
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}
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public static string HttpPost(string Url, string postDataStr, string Method)
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{
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WebRequest request = WebRequest.Create(Url);
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request.Method = Method;
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request.ContentType = "application/json";
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byte[] buf = Encoding.UTF8.GetBytes(postDataStr);
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byte[] byteArray = System.Text.Encoding.Default.GetBytes(postDataStr);
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request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
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request.GetRequestStream().Write(buf, 0, buf.Length);
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WebResponse response = request.GetResponse();
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Stream myResponseStream = response.GetResponseStream();
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StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
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string retString = myStreamReader.ReadToEnd();
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myStreamReader.Close();
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myResponseStream.Close();
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return retString;
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}
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public static string PostWebRequest(string Url, string postDataStr, string Method, Dictionary<string, string> headerDic)
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{
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string ret = string.Empty;
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try
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{
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WebRequest request = WebRequest.Create(Url);
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foreach (KeyValuePair<string, string> kvp in headerDic)
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request.Headers[kvp.Key] = kvp.Value;
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request.Method = Method;
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request.ContentType = "application/json";
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byte[] buf = Encoding.UTF8.GetBytes(postDataStr);
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byte[] byteArray = System.Text.Encoding.Default.GetBytes(postDataStr);
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request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
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request.GetRequestStream().Write(buf, 0, buf.Length);
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WebResponse response = request.GetResponse();
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Stream myResponseStream = response.GetResponseStream();
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StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
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string retString = myStreamReader.ReadToEnd();
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myStreamReader.Close();
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myResponseStream.Close();
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return retString;
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}
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catch (Exception ex)
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{
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}
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return ret;
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}
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/// <summary>
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/// 获取url的返回值
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/// </summary>
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/// <param name="url"></param>
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public static string GethttpInfo(string url)
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{
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string strBuff = "";
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Uri httpURL = new Uri(url);
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///HttpWebRequest类继承于WebRequest，并没有自己的构造函数，需通过WebRequest的Creat方法 建立，并进行强制的类型转换
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HttpWebRequest httpReq = (HttpWebRequest)WebRequest.Create(httpURL);
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///通过HttpWebRequest的GetResponse()方法建立HttpWebResponse,强制类型转换
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HttpWebResponse httpResp = (HttpWebResponse)httpReq.GetResponse();
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///GetResponseStream()方法获取HTTP响应的数据流,并尝试取得URL中所指定的网页内容
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///若成功取得网页的内容，则以System.IO.Stream形式返回，若失败则产生ProtoclViolationException错 误。在此正确的做法应将以下的代码放到一个try块中处理。这里简单处理
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Stream respStream = httpResp.GetResponseStream();
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///返回的内容是Stream形式的，所以可以利用StreamReader类获取GetResponseStream的内容，并以
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//StreamReader类的Read方法依次读取网页源程序代码每一行的内容，直至行尾（读取的编码格式：UTF8）
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StreamReader respStreamReader = new StreamReader(respStream, Encoding.UTF8);
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strBuff = respStreamReader.ReadToEnd();
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return strBuff;
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}
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}
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}
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