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GeezerVison is showing github.com — HttpCodeLib/HttpCodeLib/HttpCode2.7.cs at master · msdn5/HttpCodeLib Expand file tree/ Copy pathHttpCode2.7.csMore file actions 3721 lines (3597 loc) · 138 KB / Copy pathHttpCode2.7.csFile metadata and controls3721 lines (3597 loc) · 138 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 /* * 当前版本:v2.7.16.04.15 * 主版本号 2.4 * 次版本号 16.04.15(更新日期) * 玄机网C# 基类库 Http请求类 * 基础功能1:基于HttpWebRequest封装的 同步/异步 (Get/Post) * 基础功能2:基于Wininet系统API封装的 同步(Get/Post) * 基于以上功能实现的一键请求类,让你摆脱Cookie的困扰,让你解除对多线程的恐惧,. * Coding by 君临 * 07-12/2014 * * 使用HttpCode时,请先引用 System.Web * 如需使用系统自带的Json转换类库,则需要引用 System.Web.Extensions( Framework 2.0不需要 ) 具体方法请参考下文链接 与注释 * * http://bbs.msdn5.com/thread-11-1-1.html */ using System; using System.Collections.Generic; using System.Text; using System.Net; using System.Collections; using System.IO; using System.Security.Cryptography.X509Certificates; using System.Net.Security; using System.IO.Compression; using System.Drawing; using System.Text.RegularExpressions; using System.Runtime.InteropServices; using System.Reflection; using System.Security.Cryptography; //using System.Web.Script.Serialization; //Framework 2.0 下无效可删除 4.0需要本功能请自行开放. /* 使用系统自带的Json转换C#实体类功能时 请手动再"引用"功能中加入 System.Web.Extensions */ namespace HttpCodeLib { partial class HttpRequest { /// <summary> /// 请求结果类 /// </summary> public HttpResults result = new HttpResults(); /// <summary> /// HttpWebRequest对象用来发起请求 /// </summary> public HttpWebRequest request = null; /// <summary> /// 获取响应流的数据对象 /// </summary> public HttpWebResponse response = null; /// <summary> /// 响应流对象 /// </summary> public Stream streamResponse; /// <summary> /// 异步回调函数 /// </summary> public Action<HttpResults> callBack; /// <summary> /// 基础请求设置类 /// </summary> public HttpItems objHttpCodeItem; /// <summary> /// 辅助转换数据的内存流 /// </summary> public MemoryStream MemoryStream = new MemoryStream(); /// <summary> /// 信号量 /// </summary> public int m_semaphore = 0; /// <summary> /// 默认的编码 /// </summary> public Encoding encoding; } /// <summary> /// Http请求操作类 /// </summary> public class HttpHelpers { #region 预定义方法或者变更 /// <summary> /// HttpWebRequest对象用来发起请求 /// </summary> private HttpWebRequest request = null; /// <summary> /// 获取响应流的数据对象 /// </summary> private HttpWebResponse response = null; /// <summary> /// 根据相传入的数据，得到相应页面数据 /// </summary> /// <param name="objHttpItems">请求设置参数</param> /// <returns>请求结果</returns> private HttpResults GetHttpRequestData(HttpItems objHttpItems) { //返回参数 HttpResults result = new HttpResults(); try { //准备参数 SetRequest(objHttpItems); #region 得到请求的response result.CookieCollection = new CookieCollection(); response = (HttpWebResponse)request.GetResponse(); result.StatusCode = response.StatusCode; result.StatusDescription = response.StatusDescription; result.Header = response.Headers; if (response.Cookies != null) { result.CookieCollection = response.Cookies; } if (response.ResponseUri != null) { result.ResponseUrl = response.ResponseUri.ToString(); } if (response.Headers["set-cookie"] != null) { //自动剔除垃圾信息 直接返回正常数据 result.Cookie = new XJHTTP().ClearCookie(response.Headers["set-cookie"]); } //处理返回值Container result.Container = objHttpItems.Container; //急速请求,不获取响应结果 if (objHttpItems.ResultType == ResultType.So) { return result; } MemoryStream _stream = new MemoryStream(); //GZIIP处理 if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase)) { _stream = GetMemoryStream(new GZipStream(response.GetResponseStream(), CompressionMode.Decompress)); } else { _stream = GetMemoryStream(response.GetResponseStream()); } //获取Byte byte[] RawResponse = _stream.ToArray(); //是否返回Byte类型数据 if (objHttpItems.ResultType == ResultType.Byte) { result.ResultByte = RawResponse; return result; } //无视编码 if (objHttpItems.Encoding == null) { try { GetEncodingNew(ref objHttpItems, RawResponse); } catch { //识别异常 Encoding ed = StreamEncoder.GetEncodingFromBytes(RawResponse); if (ed != null) { objHttpItems.Encoding = ed; } else { //强制UTF8 objHttpItems.Encoding = Encoding.UTF8; } } } //得到返回的HTML try { if (RawResponse.Length > 0) { result.Html = objHttpItems.Encoding.GetString(RawResponse); } else { result.Html = ""; } _stream.Close(); response.Close(); } catch { return null; } //最后释放流 #endregion } catch (WebException ex) { //这里是在发生异常时返回的错误信息 result.Html = ex.Message; response = (HttpWebResponse)ex.Response; if (response != null) { result.StatusCode = response.StatusCode; result.StatusDescription = response.StatusDescription; } else { result.StatusCode = HttpStatusCode.NotFound; result.StatusDescription = ex.Message; } if (response != null) { #region 错误时读取服务器返回数据 MemoryStream _stream = new MemoryStream(); //GZIIP处理 if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase)) { _stream = GetMemoryStream(new GZipStream(response.GetResponseStream(), CompressionMode.Decompress)); } else { _stream = GetMemoryStream(response.GetResponseStream()); } //获取Byte byte[] RawResponse = _stream.ToArray(); //是否返回Byte类型数据 if (objHttpItems.ResultType == ResultType.Byte) { result.ResultByte = RawResponse; return result; } //无视编码 if (objHttpItems.Encoding == null) { string temp = Encoding.Default.GetString(RawResponse, 0, RawResponse.Length); //<meta(.*?)charset([\s]?)=[^>](.*?)> Match meta = Regex.Match(temp, "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase | RegexOptions.Multiline); string charter = (meta.Groups.Count > 2) ? meta.Groups[2].Value : string.Empty; if (charter.IndexOf("\"") > 0) { charter = charter.Split('\"')[0]; } if (charter.IndexOf(" ") > 0) { charter = charter.Split(' ')[0]; } charter = charter.Replace("\"", string.Empty).Replace("'", string.Empty).Replace(";", string.Empty); if (charter.Length > 0) { charter = charter.ToLower().Replace("iso-8859-1", "gbk"); objHttpItems.Encoding = Encoding.GetEncoding(charter); } else { if (response.CharacterSet != null) { if (response.CharacterSet.ToLower().Trim() == "iso-8859-1") { // encoding = Encoding.GetEncoding("gbk"); 直接改为UTF8编码 objHttpItems.Encoding = Encoding.UTF8; } else { if (string.IsNullOrEmpty(response.CharacterSet.Trim()) || string.IsNullOrEmpty(charter)) { objHttpItems.Encoding = Encoding.UTF8; } else { if (charter != response.CharacterSet) { objHttpItems.Encoding = Encoding.GetEncoding(charter); } else { objHttpItems.Encoding = Encoding.GetEncoding(response.CharacterSet); } } } } else { //如果识别失败.强制赋值为utf8 objHttpItems.Encoding = Encoding.UTF8; } } } //得到返回的HTML try { if (RawResponse.Length > 0) { result.Html = objHttpItems.Encoding.GetString(RawResponse); } else { result.Html = ""; } _stream.Close(); response.Close(); } catch { return null; } //最后释放流 #endregion } return result; } if (objHttpItems.IsToLower) { result.Html = result.Html.ToLower(); } return result; } private void GetEncodingNew(ref HttpItems objHttpItems, byte[] RawResponse) { string temp = Encoding.Default.GetString(RawResponse, 0, RawResponse.Length); //<meta(.*?)charset([\s]?)=[^>](.*?)> Match meta = Regex.Match(temp, "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase | RegexOptions.Multiline); string charter = (meta.Groups.Count > 2) ? meta.Groups[2].Value : string.Empty; if (charter.IndexOf("\"") > 0) { charter = charter.Split('\"')[0]; } if (charter.IndexOf(" ") > 0) { charter = charter.Split(' ')[0]; } charter = charter.Replace("\"", string.Empty).Replace("'", string.Empty).Replace(";", string.Empty); if (charter.Length > 0) { charter = charter.ToLower().Replace("iso-8859-1", "gbk"); if (string.IsNullOrEmpty(response.CharacterSet.Trim()) || response.CharacterSet.Trim().Contains("utf")) { objHttpItems.Encoding = Encoding.UTF8; } else { if (charter != response.CharacterSet) { objHttpItems.Encoding = Encoding.GetEncoding(charter); } else { objHttpItems.Encoding = Encoding.GetEncoding(response.CharacterSet); } } } else { if (response.CharacterSet != null) { if (response.CharacterSet.ToLower().Trim() == "iso-8859-1") { // encoding = Encoding.GetEncoding("gbk"); 直接改为UTF8编码 objHttpItems.Encoding = Encoding.UTF8; } else { if (string.IsNullOrEmpty(response.CharacterSet.Trim()) || response.CharacterSet.Trim().Contains("utf")) { objHttpItems.Encoding = Encoding.UTF8; } else { objHttpItems.Encoding = Encoding.GetEncoding(response.CharacterSet); } } } else { //如果识别失败.强制赋值为utf8 objHttpItems.Encoding = Encoding.UTF8; } } } /// <summary> /// 异步获取响应数据 /// </summary> /// <param name="result"></param> private void AsyncResponseData(IAsyncResult result) { HttpRequest hrt = result.AsyncState as HttpRequest; if (System.Threading.Interlocked.Increment(ref hrt.m_semaphore) != 1) return; try { hrt.response = (HttpWebResponse)hrt.request.EndGetResponse(result); //增加异步Cookie处理遗漏bug if (hrt.response.Cookies != null) { hrt.result.CookieCollection = hrt.response.Cookies; } if (hrt.response.Headers["set-cookie"] != null) { //自动剔除垃圾信息 直接返回正常数据 hrt.result.Cookie = new XJHTTP().ClearCookie(hrt.response.Headers["set-cookie"]); } if (hrt.response.ResponseUri != null) { hrt.result.ResponseUrl = hrt.response.ResponseUri.ToString(); } //处理返回值Container hrt.result.Container = hrt.request.CookieContainer; //处理header hrt.result.Header = hrt.response.Headers; if (hrt.response.ContentEncoding != null && hrt.response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase)) { hrt.streamResponse = new GZipStream(hrt.response.GetResponseStream(), CompressionMode.Decompress); } else { hrt.streamResponse = hrt.response.GetResponseStream(); } hrt.MemoryStream = GetMemoryStream(hrt.streamResponse); hrt.result.StatusCode = hrt.response.StatusCode; hrt.result.StatusDescription = hrt.response.StatusDescription; AsyncCallBackData(hrt); } catch (WebException ex) { //这里是在发生异常时返回的错误信息 hrt.result.Html = ex.Message; hrt.response = (HttpWebResponse)ex.Response; if (hrt.response != null) { hrt.result.StatusCode = hrt.response.StatusCode; hrt.result.StatusDescription = hrt.response.StatusDescription; } else { hrt.result.StatusCode = HttpStatusCode.NotFound; hrt.result.StatusDescription = ex.Message; } if (hrt.response != null) { #region 错误时读取服务器返回数据 MemoryStream _stream = new MemoryStream(); //GZIIP处理 if (hrt.response.ContentEncoding != null && hrt.response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase)) { _stream = GetMemoryStream(new GZipStream(hrt.response.GetResponseStream(), CompressionMode.Decompress)); } else { _stream = GetMemoryStream(hrt.response.GetResponseStream()); } //获取Byte byte[] RawResponse = _stream.ToArray(); //是否返回Byte类型数据 if (hrt.objHttpCodeItem.ResultType == ResultType.Byte) { hrt.result.ResultByte = RawResponse; AsyncCallBackData(hrt); } //无视编码 if (hrt.encoding == null) { string temp = Encoding.Default.GetString(RawResponse, 0, RawResponse.Length); //<meta(.*?)charset([\s]?)=[^>](.*?)> Match meta = Regex.Match(temp, "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase | RegexOptions.Multiline); string charter = (meta.Groups.Count > 2) ? meta.Groups[2].Value : string.Empty; if (charter.IndexOf("\"") > 0) { charter = charter.Split('\"')[0]; } if (charter.IndexOf(" ") > 0) { charter = charter.Split(' ')[0]; } charter = charter.Replace("\"", string.Empty).Replace("'", string.Empty).Replace(";", string.Empty); if (charter.Length > 0) { charter = charter.ToLower().Replace("iso-8859-1", "gbk"); hrt.encoding = Encoding.GetEncoding(charter); } else { if (hrt.response.CharacterSet != null) { if (hrt.response.CharacterSet.ToLower().Trim() == "iso-8859-1") { hrt.encoding = Encoding.UTF8; } else { if (string.IsNullOrEmpty(hrt.response.CharacterSet.Trim())) { hrt.encoding = Encoding.UTF8; } else { if (charter != response.CharacterSet) { hrt.encoding = Encoding.GetEncoding(charter); } else { hrt.encoding = Encoding.GetEncoding(response.CharacterSet); } } } } else { //如果识别失败.强制赋值为utf8 hrt.encoding = Encoding.UTF8; } } } //得到返回的HTML try { if (RawResponse.Length > 0) { if (hrt.encoding == null) { hrt.encoding = Encoding.UTF8; } hrt.result.Html = hrt.encoding.GetString(RawResponse); } else { hrt.result.Html = ""; } _stream.Close(); hrt.response.Close(); } catch { hrt.result.Html = ex.Message; AsyncCallBackData(hrt); } //最后释放流 #endregion } hrt.result.Html = ex.Message; AsyncCallBackData(hrt); } } /// <summary> /// 无视编码 /// </summary> /// <param name="hrt">请求参数</param> /// <param name="RawResponse">响应值</param> /// <returns></returns> HttpRequest GetEncoding(HttpRequest hrt, ref byte[] RawResponse) { if (hrt.encoding == null) { string temp = Encoding.Default.GetString(RawResponse, 0, RawResponse.Length); Match meta = Regex.Match(temp, "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase | RegexOptions.Multiline); string charter = (meta.Groups.Count > 2) ? meta.Groups[2].Value : string.Empty; if (charter.IndexOf("\"") > 0) { charter = charter.Split('\"')[0]; } if (charter.IndexOf(" ") > 0) { charter = charter.Split(' ')[0]; } charter = charter.Replace("\"", string.Empty).Replace("'", string.Empty).Replace(";", string.Empty); if (charter.Length > 0) { charter = charter.ToLower().Replace("iso-8859-1", "gbk").Replace("http-equiv=content-type", ""); hrt.encoding = Encoding.GetEncoding(charter.Trim()); } else { if (hrt.response.CharacterSet != null) { if (hrt.response.CharacterSet.ToLower().Trim() == "iso-8859-1") { hrt.encoding = Encoding.UTF8; } else { if (string.IsNullOrEmpty(hrt.response.CharacterSet.Trim())) { hrt.encoding = Encoding.UTF8; } else { hrt.encoding = Encoding.GetEncoding(hrt.response.CharacterSet); } } } } } return hrt; } /// <summary> /// 异步 处理/解析数据方法 /// </summary> /// <param name="hrt"></param> void AsyncCallBackData(HttpRequest hrt) { try { byte[] RawResponse = hrt.MemoryStream.ToArray(); //无视编码 hrt = GetEncoding(hrt, ref RawResponse); //是否返回Byte类型数据 if (hrt.objHttpCodeItem.ResultType == ResultType.Byte) { hrt.result.ResultByte = RawResponse; } //得到返回的HTML try { if (hrt.encoding == null) { //如果识别失败.强制赋值为utf8 hrt.encoding = Encoding.UTF8; } hrt.result.Html = Encoding.UTF8.GetString(RawResponse); hrt.callBack.Invoke(hrt.result); } catch { throw; } } catch (Exception ex) { hrt.result.Html = ex.Message; hrt.callBack.Invoke(hrt.result); } } /// <summary> /// 根据传入的参数,来异步发起请求 /// </summary> /// <param name="objItems">请求设置参数</param> /// <param name="callBack">回调函数</param> private void AsyncGetHttpRequestData(HttpItems objItems, Action<HttpResults> callBack) { HttpRequest hrt = new HttpRequest(); SetRequest(objItems); hrt.objHttpCodeItem = objItems; hrt.request = request; hrt.callBack = callBack; try { IAsyncResult m_ar = hrt.request.BeginGetResponse(AsyncResponseData, hrt); System.Threading.ThreadPool.RegisterWaitForSingleObject(m_ar.AsyncWaitHandle, TimeoutCallback, hrt, objItems.Timeout, true); } catch { hrt.result.Html = "TimeOut"; } } /// <summary> /// 超时回调 /// </summary> /// <param name="state">HttpRequest对象</param> /// <param name="timedOut">超时判断</param> void TimeoutCallback(object state, bool timedOut) { HttpRequest pa = state as HttpRequest; if (timedOut) { if (System.Threading.Interlocked.Increment(ref pa.m_semaphore) == 1) { pa.result.Html = "TimeOut"; pa.callBack.Invoke(pa.result); } } } /// <summary> /// 获取流中的数据转换为内存流处理 /// </summary> /// <param name="streamResponse">流</param> private MemoryStream GetMemoryStream(Stream streamResponse) { MemoryStream _stream = new MemoryStream(); int Length = 256; Byte[] buffer = new Byte[Length]; int bytesRead = streamResponse.Read(buffer, 0, Length); while (bytesRead > 0) { _stream.Write(buffer, 0, bytesRead); bytesRead = streamResponse.Read(buffer, 0, Length); } return _stream; } /// <summary> /// 为请求准备参数 /// </summary> ///<param name="objHttpItems">参数列表</param> private void SetRequest(HttpItems objHttpItems) { // 验证证书 SetCer(objHttpItems); //设置Header参数 if (objHttpItems.Header != null && objHttpItems.Header.Count > 0) { try { request.Headers = objHttpItems.Header; } catch { } } if (objHttpItems.IsAjax) { request.Headers.Add("x-requested-with: XMLHttpRequest"); } // 设置代理 SetProxy(objHttpItems); //请求方式Get或者Post request.Method = objHttpItems.Method; request.Timeout = objHttpItems.Timeout; request.ReadWriteTimeout = objHttpItems.ReadWriteTimeout; //Accept request.Accept = objHttpItems.Accept; //ContentType返回类型 request.ContentType = objHttpItems.ContentType; //UserAgent客户端的访问类型，包括浏览器版本和操作系统信息 request.UserAgent = objHttpItems.UserAgent; // 编码 SetEncoding(objHttpItems); //设置Cookie SetCookie(objHttpItems); //来源地址 request.Referer = objHttpItems.Referer; //是否执行跳转功能 request.AllowAutoRedirect = objHttpItems.Allowautoredirect; //设置最大连接 if (objHttpItems.Connectionlimit > 0) { request.ServicePoint.ConnectionLimit = objHttpItems.Connectionlimit; System.Net.ServicePointManager.DefaultConnectionLimit = 1024; } //设置 post数据在大于1024时是否分包 request.ServicePoint.Expect100Continue = objHttpItems.Expect100Continue; //设置Post数据 SetPostData(objHttpItems); } /// <summary> /// 设置证书 /// </summary> /// <param name="objHttpItems">请求设置参数</param> private void SetCer(HttpItems objHttpItems) { if (!string.IsNullOrEmpty(objHttpItems.CerPath)) { //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); //初始化对像，并设置请求的URL地址 request = (HttpWebRequest)WebRequest.Create(GetUrl(objHttpItems.URL)); //创建证书文件 X509Certificate objx509 = new X509Certificate(objHttpItems.CerPath); //添加到请求里 request.ClientCertificates.Add(objx509); } else { //初始化对像，并设置请求的URL地址 try { request = (HttpWebRequest)WebRequest.Create(GetUrl(objHttpItems.URL)); } catch { throw new Exception("请检查输入的网址!"); } } } /// <summary> /// 设置编码 /// </summary> /// <param name="objHttpItems">Http参数</param> private void SetEncoding(HttpItems objHttpItems) { if (!string.IsNullOrEmpty(objHttpItems.EncodingStr)) { //读取数据时的编码方式 objHttpItems.Encoding = System.Text.Encoding.GetEncoding(objHttpItems.EncodingStr); } } /// <summary> /// 设置Cookie /// </summary> /// <param name="objHttpItems">Http参数</param> private void SetCookie(HttpItems objHttpItems) { //获取当前的cookie if (!string.IsNullOrEmpty(objHttpItems.Cookie)) { //Cookie request.Headers[HttpRequestHeader.Cookie] = objHttpItems.Cookie; } //设置Cookie if (objHttpItems.CookieCollection != null) { request.CookieContainer = new CookieContainer(); request.CookieContainer.Add(objHttpItems.CookieCollection); } if (objHttpItems.Container != null) { request.CookieContainer = objHttpItems.Container; } } /// <summary> /// 设置Post数据 /// </summary> /// <param name="objHttpItems">Http参数</param> private void SetPostData(HttpItems objHttpItems) { //验证在得到结果时是否有传入数据 if (request.Method.Trim().ToLower().Contains("post")) { //写入Byte类型 if (objHttpItems.PostDataType == PostDataType.Byte) { //验证在得到结果时是否有传入数据 if (objHttpItems.PostdataByte != null && objHttpItems.PostdataByte.Length > 0) { request.ContentLength = objHttpItems.PostdataByte.Length; request.GetRequestStream().Write(objHttpItems.PostdataByte, 0, objHttpItems.PostdataByte.Length); } }//写入文件 else if (objHttpItems.PostDataType == PostDataType.FilePath) { StreamReader r = new StreamReader(objHttpItems.Postdata, objHttpItems.Encoding); byte[] buffer = objHttpItems.PostEncoding.GetBytes(r.ReadToEnd()); r.Close(); request.ContentLength = buffer.Length; request.GetRequestStream().Write(buffer, 0, buffer.Length); } else { //验证在得到结果时是否有传入数据 if (!string.IsNullOrEmpty(objHttpItems.Postdata)) { byte[] buffer = objHttpItems.PostEncoding.GetBytes(objHttpItems.Postdata); request.ContentLength = buffer.Length; request.GetRequestStream().Write(buffer, 0, buffer.Length); } } } } /// <summary> /// 设置代理 /// </summary> /// <param name="objHttpItems">参数对象</param> private void SetProxy(HttpItems objHttpItems) { if (!string.IsNullOrEmpty(objHttpItems.ProxyIp)) { //设置代理服务器 if (objHttpItems.ProxyIp.Contains(":")) { string[] plist = objHttpItems.ProxyIp.Split(':'); WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim())); //连接凭证 if (!string.IsNullOrEmpty(objHttpItems.ProxyUserName) && !string.IsNullOrEmpty(objHttpItems.ProxyPwd)) { myProxy.Credentials = new NetworkCredential(objHttpItems.ProxyUserName, objHttpItems.ProxyPwd); } //给当前请求对象 request.Proxy = myProxy; } else { WebProxy myProxy = new WebProxy(objHttpItems.ProxyIp, false); if (!string.IsNullOrEmpty(objHttpItems.ProxyUserName) && !string.IsNullOrEmpty(objHttpItems.ProxyPwd)) { myProxy.Credentials = new NetworkCredential(objHttpItems.ProxyUserName, objHttpItems.ProxyPwd); } //给当前请求对象 request.Proxy = myProxy; } //设置安全凭证 request.Credentials = CredentialCache.DefaultNetworkCredentials; } else { request.Proxy = null; } } /// <summary> /// 回调验证证书问题 /// </summary> /// <param name="sender">流对象</param> /// <param name="certificate">证书</param> /// <param name="chain">X509Chain</param> /// <param name="errors">SslPolicyErrors</param> /// <returns>bool</returns> public bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { // 总是接受 return true; } #endregion #region 普通类型 /// <summary> /// 传入一个正确或不正确的URl，返回正确的URL /// </summary> /// <param name="URL">url</param> /// <returns> /// </returns> public string GetUrl(string URL) { if (!(URL.Contains("http://") || URL.Contains("https://"))) { URL = "http://" + URL; } return URL; } ///<summary> ///采用httpwebrequest方式访问网络,根据传入的URl地址，得到响应的数据字符串。 ///</summary> ///<param name="objHttpItems">参数列表</param> ///<returns>HttpResults 为返回结果</returns> public HttpResults GetHtml(HttpItems objHttpItems) { //调用专门读取数据的类 return GetHttpRequestData(objHttpItems); } /// <summary> /// 采用httpwebrequest方式访问网络,根据传入的URl地址，得到响应的数据字符串。 /// </summary> /// <param name="objHttpItems">参数列表</param> /// <param name="cookie">自动维护的字符串cookie</param> /// <returns>HttpResults 为返回结果</returns> public HttpResults GetHtml(HttpItems objHttpItems, ref string cookie) { //调用专门读取数据的类 HttpResults res = GetHttpRequestData(objHttpItems); cookie = new XJHTTP().UpdateCookie(cookie, res.Cookie); return res; } /// <summary> ///采用异步方式访问网络,根据传入的URl地址，得到响应的数据字符串。 /// </summary> /// <param name="objHttpItems">参数列表</param> /// <param name="callBack">完成后的回调函数</param> public void AsyncGetHtml(HttpItems objHttpItems, Action<HttpResults> callBack) { //调用专门读取数据的类 AsyncGetHttpRequestData(objHttpItems, callBack); } /// <summary> /// 获取验证码 /// </summary> /// <param name="hr">GetHtml后的请求结果</param> /// <returns></returns> public Image GetImg(HttpResults hr) { return byteArrayToImage(hr.ResultByte); } /// <summary> /// 字节数组生成图片 /// </summary> /// <param name="Bytes">字节数组</param> /// <returns>图片</returns> private Image byteArrayToImage(byte[] Bytes) { if (Bytes == null) { return null; } using (MemoryStream ms = new MemoryStream(Bytes)) { Image outputImg = Image.FromStream(ms); return outputImg; } |
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