帮把这个段代码封装为DLL动态链接库求大神

[CN21-]小龙

/// <summary>

/// 类说明：HttpHelps类，用来实现Http访问，Post或者Get方式的，直接访问，带Cookie的，带证书的等方式

/// 编码日期：2011-09-13

/// </summary>using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Text;

using System.Net;

using System.IO;

using System.Security.Cryptography.X509Certificates;

using System.Net.Security;

using System;

/// <summary>

///HttpHelpers 主要是实现Http方式的Get和Post方式请求

/// </summary>

public class HttpHelpers

{

/// <summary>

/// 构造器实现默认属性的赋值

/// </summary>

public HttpHelpers()

{

//设置请求方式为Post

request.Method = "GET";

request.Accept = "text/html, application/xhtml+xml, */*";

request.ContentType = "application/x-www-form-urlencoded";

}

#region 所有的属性

//访问的页面地址

private string RequestURl { get; set; }

//默认的编码

private Encoding encoding { get; set; }

//HttpWebRequest对象用来发起请求

private HttpWebRequest request { get; set; }

//获取影响流的数据对象

private HttpWebResponse response { get; set; }

//证书文件X509Certificate objx509 = new X509Certificate(Application.StartupPath + "\\123.cer");

X509Certificate objx509 { get; set; }

//请求方式目前只提供Post和Get方式

private string Method { get; set; }

//Accept属性

private string Accept { get; set; }

//ContentType属性

private string ContentType { get; set; }

//UserAgent属性

private string UserAgent { get; set; }

//Cookie列表

private CookieContainer cookie { get; set; }

//需要返回的数据对象

private string reutrnDate { get; set; }

//Post数据串

private string strPostdata { get; set; }

#endregion

#region 内部方法

//回调验证证书问题

private bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)

{

// 总是接受

return true;

}

/// <summary>

/// 根据相传入的数据，得到相应页面数据

/// </summary>

/// <param name="strPostdata">传入的数据Post方式,get方式传NUll或者空字符串都可以</param>

/// <returns>string类型的响应数据</returns>

private string GetHttpRequestData()

{

try

{

//是否要添加证书验证

if (objx509 != null)

{

//这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。

ServicePointManager.ServerCertificateValidationCallback =

new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);

}

//创建request对象

request = (HttpWebRequest)WebRequest.Create(RequestURl);

//是否要添加证书验证

if (objx509 != null)

request.ClientCertificates.Add(objx509);

//是否带有Cookie值

if (cookie != null)

request.CookieContainer = cookie;

//当为post提交是需要填充数据

if (Method.Trim().ToLower() == "post")

{

byte[] buffer = encoding.GetBytes(strPostdata);

request.ContentLength = buffer.Length;

request.GetRequestStream().Write(buffer, 0, buffer.Length);

}

//得到请求的response

using (response = (HttpWebResponse)request.GetResponse())

{

//从这里开始我们要无视编码了

if (encoding == null)

GetEonding();

//开始读取流并设置编码方式

using (StreamReader reader = new StreamReader(response.GetResponseStream(), encoding))

{

//从当前开始读取整个流数据，默认为0所以读取的是全部，并返回数据

reutrnDate = reader.ReadToEnd().ToString().Trim();

}

}

}

catch (Exception)

{

//这里是在发生异常时返回的错误信息

reutrnDate = "String Error";

}

return reutrnDate;

}

/// <summary>

/// 得到response对象的编码类型

/// </summary>

private void GetEonding()

{

if (response.CharacterSet.Trim() != "")

encoding = System.Text.Encoding.GetEncoding(response.CharacterSet.Trim());

else

encoding = System.Text.Encoding.UTF8;

}

#endregion

#region 公开方法

/// <summary>

/// 只设置一些简单参数的方式

/// </summary>

/// <param name="_url">URl地址</param>

/// <param name="_strPostdata">Post请求方式时传入的数据</param>

/// <param name="_Method">请求方式GET或者POST可以为空默认为GET</param>

/// <param name="_encoding">编码方式可以为空默认为UTF-8</param>

/// <param name="_Accept">Accept属性</param>

/// <param name="_ContentType">ContentType属性</param

/// <param name="_UserAgent">UserAgent属性</param

/// <param name="_cookie">CookieContainer列表</param

/// <param name="_objx509">X509Certificate证书对象</param

/// <returns>请求所得到的数据</returns>

public string GetString_null(string _url, string _strPostdata, string _Method, Encoding _encoding, string _Accept,

string _ContentType, string _UserAgent, CookieContainer _cookie, X509Certificate _objx509)

{

RequestURl = _url;

Method = _Method;

encoding = _encoding;

Accept = _Accept;

ContentType = _ContentType;

UserAgent = _UserAgent;

cookie = _cookie;

objx509 = _objx509;

return GetHttpRequestData();

}

/// <summary>

/// 只设置一些简单参数的方式

/// </summary>

/// <param name="_url">URl地址</param>

/// <param name="_strPostdata">Post请求方式时传入的数据</param>

/// <param name="_Method">请求方式GET或者POST可以为空默认为GET</param>

/// <param name="_encoding">编码方式可以为空默认为UTF-8</param>

/// <returns>请求所得到的数据</returns>

public string GetString_type(string _url, string _Method, Encoding _encoding)

{

RequestURl = _url;

Method = _Method;

encoding = _encoding;

return GetHttpRequestData();

}

//下面大家自己可以多写几种常用的，呵呵

#endregion

}

丝连

路过。。。打酱油

fanki

学习学习~~我也想知道怎么弄~~:loveliness:

丝连

强烈支持楼主ing……

丝连

强烈支持楼主ing……

丝连

强烈支持楼主ing……

bafengao

谢谢楼主分享呀