diff --git a/Frm_Main.cs b/Frm_Main.cs
index 1c997b7..d08d796 100644
--- a/Frm_Main.cs
+++ b/Frm_Main.cs
@@ -7,6 +7,7 @@ using System.Text;
using System.Windows.Forms;
using AliKeywordSearch;
using System.Web;
+using CityCraft;
namespace EnAliKeywordSearch
{
@@ -50,11 +51,16 @@ namespace EnAliKeywordSearch
url = String.Format("http://www.alibaba.com/products/F0/{0}/{1}.html", HttpUtility.UrlEncode(key), i);
else
url = String.Format("http://s.1688.com/selloffer/offer_search.htm?keywords={0}&beginPage={1}", HttpUtility.UrlEncode(key), i);
- string htmldoc = httpHelper.Get(url);
+ httpHelper.Send(HttpMethod.GET, url);
+ while (httpHelper.readyState != HttpReadyState.完成)
+ {
+ Application.DoEvents();
+ }
+ string htmldoc = httpHelper.responseBody;
if (string.IsNullOrEmpty(htmldoc))
{
state.ForeColor = Color.Red;
- state.Text = "关键词 " + key + " 第 " + i + " 页 网页抓取失败 错误:" + HttpHelper.ErrMsg;
+ state.Text = "关键词 " + key + " 第 " + i + " 页 网页抓取失败 错误:" + httpHelper.ErrMsg;
maybe = true;
continue;
}
diff --git a/HttpHelper.cs b/HttpHelper.cs
index 90015c1..52d0ce9 100644
--- a/HttpHelper.cs
+++ b/HttpHelper.cs
@@ -13,15 +13,15 @@ using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
-namespace EnAliKeywordSearch
+namespace CityCraft
{
+ public enum HttpMethod
+ {
+ GET,
+ POST
+ }
public class HttpArgs
{
- public enum HttpMethod
- {
- GET,
- POST
- }
public string Url { get; set; }
public string Host { get; set; }
public int Port { get; set; }
@@ -32,11 +32,23 @@ namespace EnAliKeywordSearch
public string UA { get; set; }
public HttpMethod Method { get; set; }
}
-
+ public enum HttpReadyState
+ {
+ 未初始化,
+ 载入,
+ 载入完成,
+ 交互,
+ 完成
+ }
public class HttpHelper
{
- public static int State = 0;
- public static string ErrMsg = string.Empty;
+ public HttpReadyState readyState = HttpReadyState.未初始化;
+ public int Status = 0;
+ public string responseBody = "";
+ public string responseText = "";
+ public byte[] responseByte = null;
+ public HttpArgs args = new HttpArgs();
+ public string ErrMsg = string.Empty;
///
/// 提交方法
///
@@ -48,14 +60,19 @@ namespace EnAliKeywordSearch
/// 请求地址
/// Cookies存储器
/// 请求返回的Stream
- public string Get(string url)
+ public void Send(HttpMethod method, string url)
{
- HttpArgs args = ParseURL(url);
- args.Method = HttpArgs.HttpMethod.GET;
- string strhtml = InternalSocketHttp(args);
- return strhtml;
+ readyState = HttpReadyState.载入;
+ ParseURL(url);
+ args.Method = method;
+ new Thread(new ThreadStart(ReciveData)).Start();
}
+ public void ReciveData()
+ {
+ responseBody = InternalSocketHttp();
+ readyState = HttpReadyState.完成;
+ }
///
/// Post方法
///
@@ -76,9 +93,10 @@ namespace EnAliKeywordSearch
///
/// url字符串
/// host字符串
- private HttpArgs ParseURL(string strUrl)
+ private void ParseURL(string strUrl)
{
- HttpArgs args = new HttpArgs();
+ if (args == null)
+ args = new HttpArgs();
args.Host = "";
args.Port = 80;
@@ -91,7 +109,7 @@ namespace EnAliKeywordSearch
//http://www.alibaba.com/products/Egg_Laying_Block_Machine/1.html
int iIndex = strUrl.IndexOf(@"//");
if (iIndex <= 0)
- return null;
+ args = null;
//www.alibaba.com:80/products/Egg_Laying_Block_Machine/1.html
string nohttpurl = strUrl.Substring(iIndex + 2);
string address = nohttpurl;
@@ -105,7 +123,7 @@ namespace EnAliKeywordSearch
iIndex = nohttpurl.IndexOf(@":");
if (iIndex > 0)
{
- string[] tempargs = nohttpurl.Trim().Split(char.Parse(":"));
+ string[] tempargs = address.Trim().Split(char.Parse(":"));
args.Host = tempargs[0];
args.Port = int.Parse(tempargs[1]);
}
@@ -115,13 +133,12 @@ namespace EnAliKeywordSearch
args.Host = address;
args.Port = 80;
}
- return args;
}
#endregion
#region Socket
- string InternalSocketHttp(HttpArgs args)
+ string InternalSocketHttp()
{
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
@@ -132,7 +149,7 @@ namespace EnAliKeywordSearch
socket.Connect(args.Host, args.Port);
if (socket.Connected)
{
- byte[] buff = ParseHttpArgs(args);
+ byte[] buff = ParseHttpArgs();
if (socket.Send(buff) > 0)
{
List responseBytes = new List();
@@ -143,7 +160,9 @@ namespace EnAliKeywordSearch
responseBytes.AddRange(new List(buffer));//添加数据到List
iNumber = socket.Receive(buffer, buffer.Length, SocketFlags.None);//继续接收数据
}
- return ParseResponse(responseBytes.ToArray()/*转换List为数组*/, args);
+ responseByte = responseBytes.ToArray();
+ readyState = HttpReadyState.载入完成;
+ return ParseResponse(responseByte);
}
}
}
@@ -155,28 +174,27 @@ namespace EnAliKeywordSearch
}
}
- private string ParseResponse(byte[] responseBytes, HttpArgs args)
+ private string ParseResponse(byte[] responseBytes)
{
string responseStr = Encoding.UTF8.GetString(responseBytes);
- string[] splitStr = responseStr.Split(new char[4] { '\r', '\n', '\r', '\n' }, 2);
- if (splitStr.Length == 2)
+ int splitindex = responseStr.IndexOf("\r\n\r\n");
+ if (splitindex > 0)
{
- string responseHeader = splitStr[0];
- string responseBody = splitStr[1];
-
- if (responseHeader.StartsWith("HTTP/1.1 400 Bad Request"))
+ string responseHeader = responseStr.Substring(0, splitindex);
+ string responseBody = responseStr.Substring(splitindex + 4);
+ if (responseHeader.StartsWith("HTTP/1.1 400"))
{
- State = 400;
+ Status = 400;
return string.Empty;
}
else if (responseHeader.StartsWith("HTTP/1.1 404"))
{
- State = 404;
+ Status = 404;
return string.Empty;
}
else if (responseHeader.StartsWith("HTTP/1.1 302") || responseHeader.StartsWith("HTTP/1.1 301"))
{
- State = 302;
+ Status = 302;
int start = responseHeader.ToUpper().IndexOf("LOCATION");
if (start > 0)
{
@@ -185,20 +203,21 @@ namespace EnAliKeywordSearch
args.Url = sArry[0].Remove(0, 10);
if (args.Url == "")
return string.Empty;
- return InternalSocketHttp(args); //注意：302协议需要重定向
+ return InternalSocketHttp(); //注意：302协议需要重定向
}
}
else if (responseHeader.StartsWith("HTTP/1.1 200")) //读取内容
{
- State = 200;
+ Status = 200;
+ //解压
DecompressWebPage(ref responseBytes, responseHeader);
//转码
responseBody = DecodeWebStringByHttpHeader(responseBytes, responseHeader);
responseBody = DecodeWebStringByHtmlPageInfo(responseBytes, responseBody);
}
- string[] responseBodys = responseBody.Split(new char[4] { '\r', '\n', '\r', '\n' }, 2);
- if (responseBodys.Length == 2)
- responseBody = responseBodys[1];
+ splitindex = responseBody.IndexOf("\r\n\r\n");
+ if (splitindex > 0)
+ responseBody = responseBody.Substring(splitindex + 4);
else
responseBody = string.Empty;
return responseBody;
@@ -295,10 +314,10 @@ namespace EnAliKeywordSearch
return strResponse;
}
- private byte[] ParseHttpArgs(HttpArgs args)
+ private byte[] ParseHttpArgs()
{
StringBuilder bulider = new StringBuilder();
- if (args.Method == HttpArgs.HttpMethod.POST)
+ if (args.Method == HttpMethod.POST)
{
bulider.AppendLine(string.Format("POST {0} HTTP/1.1", args.Url));
bulider.AppendLine("Content-Type: application/x-www-form-urlencoded");
@@ -325,7 +344,7 @@ namespace EnAliKeywordSearch
if (!string.IsNullOrEmpty(args.Cookie))
bulider.AppendLine(string.Format("Cookie: {0}", args.Cookie));
- if (args.Method == HttpArgs.HttpMethod.POST)
+ if (args.Method == HttpMethod.POST)
{
bulider.AppendLine(string.Format("Content-Length: {0}\r\n", Encoding.Default.GetBytes(args.Data).Length));
bulider.Append(args.Data);