394 lines
12 KiB
C#
394 lines
12 KiB
C#
using CsharpHttpHelper.BaseBll;
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using CsharpHttpHelper.Helper;
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using CsharpHttpHelper.Item;
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Drawing;
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using System.IO;
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using System.Net;
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using System.Runtime.Remoting.Messaging;
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using System.Security.Cryptography;
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using System.Text;
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namespace CsharpHttpHelper
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{
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/// <summary>
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/// Http帮助类 Copyright：http://www.httphelper.com/
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/// 版本：2.1.10
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/// 作者：苏飞
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/// 更新时间：2017-12-13
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/// </summary>
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public class HttpHelper
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{
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/// <summary>
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/// gethtml方法异步调用的委托
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/// </summary>
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/// <param name="item"></param>
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/// <returns></returns>
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private delegate HttpResult GethtmlHandler(HttpItem item);
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/// <summary>
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/// HttpHelperBLL
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/// </summary>
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private HttpHelperBll bll = new HttpHelperBll();
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/// <summary>
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/// 异步调用方法委托
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/// </summary>
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private ResultHandler resultheadler;
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/// <summary>
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/// 根据相传入的数据，得到相应页面数据
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/// </summary>
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/// <param name="item">参数类对象</param>
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/// <returns>返回HttpResult类型</returns>
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public HttpResult GetHtml(HttpItem item)
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{
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return bll.GetHtml(item);
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}
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/// <summary>
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/// GetHtml方法的异步调用方式，根据相传入的数据，得到相应页面数据
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/// </summary>
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/// <param name="item">参数类对象</param>
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/// <param name="resultMainName">回调的方法名</param>
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public void BeginInvokeGetHtml(HttpItem item, ResultHandler resultMainName)
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{
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resultheadler = resultMainName;
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GethtmlHandler gethtmlHandler = GetHtml;
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gethtmlHandler.BeginInvoke(item, CallbackFunc, "AsycState:OK");
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}
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/// <summary>
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/// 内部回调方法
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/// </summary>
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/// <param name="resultType">返回值</param>
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private void CallbackFunc(IAsyncResult resultType)
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{
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GethtmlHandler gethtmlHandler = (GethtmlHandler)((AsyncResult)resultType).AsyncDelegate;
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HttpResult item = gethtmlHandler.EndInvoke(resultType);
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resultheadler(item);
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}
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/// <summary>
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/// 根据Url获取图片
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/// </summary>
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/// <param name="item">HttpItem参数</param>
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/// <returns>返回图片，错误为NULL</returns>
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public Image GetImage(HttpItem item)
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{
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return bll.GetImage(item);
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}
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/// <summary>
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/// 快速请求方法FastRequest（极速请求不接收数据,只做提交）不返回Header、Cookie、Html
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/// </summary>
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/// <param name="item">参数类对象</param>
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/// <returns>返回HttpResult类型</returns>
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public HttpResult FastRequest(HttpItem item)
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{
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return bll.FastRequest(item);
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}
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/// <summary>
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/// 根据字符生成Cookie和精简串，将排除path,expires,domain以及重复项
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/// </summary>
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/// <param name="strcookie">Cookie字符串</param>
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/// <returns>精简串</returns>
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public static string GetSmallCookie(string strcookie)
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{
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return HttpCookieHelper.GetSmallCookie(strcookie);
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}
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/// <summary>
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/// 将字符串Cookie转为CookieCollection
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/// </summary>
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/// <param name="strcookie">Cookie字符串</param>
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/// <returns>List-CookieItem</returns>
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public static CookieCollection StrCookieToCookieCollection(string strcookie)
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{
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return HttpCookieHelper.StrCookieToCookieCollection(strcookie);
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}
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/// <summary>
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/// 将CookieCollection转为字符串Cookie
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/// </summary>
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/// <param name="cookie">Cookie字符串</param>
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/// <returns>strcookie</returns>
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public static string CookieCollectionToStrCookie(CookieCollection cookie)
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{
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return HttpCookieHelper.CookieCollectionToStrCookie(cookie);
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}
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/// <summary>
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/// 自动合并两个Cookie的值返回更新后结果
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/// </summary>
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/// <param name="cookie1">Cookie1</param>
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/// <param name="cookie2">Cookie2</param>
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/// <returns>返回更新后的Cookie</returns>
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public static string GetMergeCookie(string cookie1, string cookie2)
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{
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return HttpCookieHelper.GetMergeCookie(cookie1, cookie2);
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}
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/// <summary>
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/// 使用指定的编码对象将 URL 编码的字符串转换为已解码的字符串。
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/// </summary>
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/// <param name="text">指定的字符串</param>
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/// <param name="encoding">指定编码默认为Default</param>
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/// <returns>解码后字符串</returns>
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public static string URLDecode(string text, Encoding encoding = null)
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{
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return HttpUrlHelper.URLDecode(text, encoding);
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}
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/// <summary>
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/// 使用指定的编码对象对 URL 字符串进行编码。
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/// </summary>
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/// <param name="text">指定的字符串</param>
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/// <param name="encoding">指定编码默认为Default</param>
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/// <returns>转码后字符串</returns>
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public static string URLEncode(string text, Encoding encoding = null)
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{
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return HttpUrlHelper.URLEncode(text, encoding);
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}
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/// <summary>
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/// 将Url参数字符串转为一个Key和Value的集合
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/// </summary>
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/// <param name="str">要转为集合的字符串</param>
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/// <returns>NameValueCollection</returns>
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public static NameValueCollection GetNameValueCollection(string str)
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{
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return HttpUrlHelper.GetNameValueCollection(str);
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}
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/// <summary>
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/// 文件MD5校验
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/// </summary>
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/// <param name="fileName"></param>
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/// <returns></returns>
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public static string GetMD5Hash(string pathName)
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{
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string strResult = "";
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string strHashData = "";
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byte[] arrbytHashValue;
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FileStream oFileStream = null;
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MD5CryptoServiceProvider oMD5Hasher = new System.Security.Cryptography.MD5CryptoServiceProvider();
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try
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{
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oFileStream = new FileStream(pathName, System.IO.FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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arrbytHashValue = oMD5Hasher.ComputeHash(oFileStream);//计算指定Stream 对象的哈希值
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oFileStream.Close();
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//由以连字符分隔的十六进制对构成的String，其中每一对表示value 中对应的元素；例如“F-2C-4A”
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strHashData = BitConverter.ToString(arrbytHashValue);
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//替换-
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strHashData = strHashData.Replace("-", "");
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strResult = strHashData;
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}
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catch (System.Exception ex)
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{ }
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return strResult;
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}
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/// <summary>
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/// 提取网站主机部分就是host
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/// </summary>
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/// <param name="url">url</param>
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/// <returns>host</returns>
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public static string GetUrlHost(string url)
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{
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return HttpUrlHelper.GetUrlHost(url);
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}
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/// <summary>
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/// 提取网址对应的IP地址
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/// </summary>
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/// <param name="url">url</param>
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/// <returns>返回Url对应的IP地址</returns>
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public static string GetUrlIp(string url)
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{
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return HttpUrlHelper.GetUrlIp(url);
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}
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/// <summary>
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/// 传入明文，返回用MD%加密后的字符串32位长度
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/// </summary>
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/// <param name="str">要加密的字符串</param>
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/// <returns>用MD5加密后的字符串</returns>
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public static string ToMD5(string str)
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{
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return MD5Helper.ToMD5_32(str);
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}
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/// <summary>
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/// 传入明文，返回用SHA1密后的字符串
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/// </summary>
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/// <param name="str">要加密的字符串</param>
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/// <returns>SHA1加密后的字符串</returns>
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public static string ToSHA1(string str)
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{
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return MD5Helper.ToSHA1(str);
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}
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/// <summary>
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/// 将指定的Json字符串转为指定的T类型对象
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/// </summary>
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/// <param name="jsonstr">字符串</param>
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/// <returns>转换后的对象，失败为Null</returns>
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public static object JsonToObject<T>(string jsonstr)
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{
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return JsonHelper.JsonToObject<T>(jsonstr);
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}
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/// <summary>
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/// 将指定的对象转为Json字符串
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/// </summary>
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/// <param name="obj">对象</param>
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/// <returns>转换后的字符串失败为空字符串</returns>
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public static string ObjectToJson(object obj)
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{
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return JsonHelper.ObjectToJson(obj);
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}
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/// <summary>
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/// 获取所有的A链接
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/// </summary>
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/// <param name="html">要分析的Html代码</param>
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/// <returns>返回一个List存储所有的A标签</returns>
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public static List<AItem> GetAList(string html)
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{
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return HtmlHelper.GetAList(html);
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}
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/// <summary>
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/// 获取所有的Img标签
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/// </summary>
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/// <param name="html">要分析的Html代码</param>
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/// <returns>返回一个List存储所有的Img标签</returns>
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public static List<ImgItem> GetImgList(string html)
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{
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return HtmlHelper.GetImgList(html);
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}
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/// <summary>
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/// 过滤html标签
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/// </summary>
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/// <param name="html">html的内容</param>
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/// <returns>处理后的文本</returns>
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public static string StripHTML(string html)
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{
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return HtmlHelper.StripHTML(html);
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}
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/// <summary>
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/// 过滤html中所有的换行符号
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/// </summary>
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/// <param name="html">html的内容</param>
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/// <returns>处理后的文本</returns>
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public static string ReplaceNewLine(string html)
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{
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return HtmlHelper.ReplaceNewLine(html);
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}
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/// <summary>
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/// 提取Html字符串中两字符之间的数据
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/// </summary>
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/// <param name="html">源Html</param>
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/// <param name="s">开始字符串</param>
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/// <param name="e">结束字符串</param>
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/// <returns></returns>
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public static string GetBetweenHtml(string html, string s, string e)
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{
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return HtmlHelper.GetBetweenHtml(html, s, e);
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}
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/// <summary>
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/// 提取网页Title
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/// </summary>
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/// <param name="html">Html</param>
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/// <returns>返回Title</returns>
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public static string GetHtmlTitle(string html)
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{
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return HtmlHelper.GetHtmlTitle(html);
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}
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/// <summary>
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/// 直接调用JS方法并获取返回的值
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/// </summary>
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/// <param name="strJs">要执行的JS代码</param>
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/// <param name="main">要调用的方法名</param>
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/// <returns>执行结果</returns>
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public static string JavaScriptEval(string strJs, string main)
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{
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return ExecJsHelper.JavaScriptEval(strJs, main);
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}
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/// <summary>
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/// 将字节数组转为图片
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/// </summary>
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/// <param name=" b">字节数组</param>
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/// <returns>返回图片</returns>
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public static Image GetImage(byte[] b)
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{
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return ImageHelper.ByteToImage(b);
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}
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/// <summary>
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/// 将字节数组转为字符串
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/// </summary>
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/// <param name="b">字节数组</param>
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/// <param name="e">编码，默认为Default</param>
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/// <returns>字符串</returns>
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public static string ByteToString(byte[] b, Encoding e = null)
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{
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return EncodingHelper.ByteToString(b, e);
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}
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/// <summary>
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/// 将字符串转为字节数组
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/// </summary>
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/// <param name="s">字符串</param>
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/// <param name="e">编码，默认为Default</param>
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/// <returns>字节数组</returns>
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public static byte[] StringToByte(string s, Encoding e = null)
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{
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return EncodingHelper.StringToByte(s, e);
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}
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/// <summary>
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/// 将Base64编码解析成字符串
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/// </summary>
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/// <param name="strbase">要解码的string字符</param>
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/// <param name="encoding">字符编码方案</param>
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/// <returns>字符串</returns>
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public static string Base64ToString(string strbase, Encoding encoding)
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{
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return Base64Helper.Base64ToString(strbase, encoding);
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}
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/// <summary>
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/// 将字节数组为Base64编码
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/// </summary>
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/// <param name="bytebase">要编码的byte[]</param>
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/// <returns>base字符串</returns>
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public static string ByteToBase64(byte[] bytebase)
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{
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return Base64Helper.StringToBase64(bytebase);
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}
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/// <summary>
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/// 将字符串转为Base64编码
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/// </summary>
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/// <param name="str">要编码的string字符</param>
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/// <param name="encoding">字符编码方案</param>
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/// <returns>base字符串</returns>
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public static string StringToBase64(string str, Encoding encoding)
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{
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return Base64Helper.StringToBase64(str, encoding);
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}
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}
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}
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