74 lines
1.9 KiB
C#
74 lines
1.9 KiB
C#
using CsharpHttpHelper.Base;
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using CsharpHttpHelper.Enum;
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using CsharpHttpHelper.Helper;
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using System.Drawing;
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namespace CsharpHttpHelper.BaseBll
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{
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/// <summary>
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/// 具体实现方法 Copyright：http://www.httphelper.com/
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/// </summary>
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internal class HttpHelperBll
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{
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/// <summary>
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/// Httphelper原始访问类对象
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/// </summary>
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private HttphelperBase httpbase = new HttphelperBase();
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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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internal HttpResult GetHtml(HttpItem item)
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{
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if (item.Allowautoredirect && item.AutoRedirectCookie)
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{
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HttpResult httpResult = null;
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for (int i = 0; i < 100; i++)
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{
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item.Allowautoredirect = false;
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httpResult = httpbase.GetHtml(item);
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if (string.IsNullOrWhiteSpace(httpResult.RedirectUrl))
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{
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break;
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}
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item.URL = httpResult.RedirectUrl;
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item.Method = "GET";
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if (item.ResultCookieType == ResultCookieType.String)
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{
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item.Cookie += httpResult.Cookie;
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}
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else
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{
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item.CookieCollection.Add(httpResult.CookieCollection);
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}
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}
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return httpResult;
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}
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return httpbase.GetHtml(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">参数类对象</param>
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/// <returns>返回图片</returns>
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internal Image GetImage(HttpItem item)
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{
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item.ResultType = ResultType.Byte;
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return ImageHelper.ByteToImage(GetHtml(item).ResultByte);
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}
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/// <summary>
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/// 快速Post数据这个访求与GetHtml一样，只是不接收返回数据，只做提交。
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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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internal HttpResult FastRequest(HttpItem item)
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{
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return httpbase.FastRequest(item);
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}
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}
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}
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