举å 个åºç¨ã
1ï¼ è¯»åç½é¡µ(HTTP/HTTPS)å
容
ä¸é¢æ¯æ们ç»åºçä¸ä¸ªç®åçä¾åç¨æ¥è®¿é®æ个页é¢
*
* Created on 2003-12-14 by skydong
*/
package http.demo;
import java.io.IOException;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
/** *//**
* æç®åçHTTP客æ·ç«¯,ç¨æ¥æ¼ç¤ºéè¿GETæè
POSTæ¹å¼è®¿é®æ个页é¢
* @author skydong
*/
public class SimpleClient ...{
public static void main(String[] args) throws IOException
...{
HttpClient client = new HttpClient();
//设置代çæå¡å¨å°åå端å£
//client.getHostConfiguration().setProxy("proxy_host_addr",proxy_port);
//使ç¨GETæ¹æ³ï¼å¦ææå¡å¨éè¦éè¿HTTPSè¿æ¥ï¼é£åªéè¦å°ä¸é¢URLä¸çhttpæ¢æhttps
HttpMethod method = new GetMethod("java.sun.com";);
//使ç¨POSTæ¹æ³
//HttpMethod method = new PostMethod("java.sun.com";);
client.executeMethod(method);
//æå°æå¡å¨è¿åçç¶æ
System.out.println(method.getStatusLine());
//æå°è¿åçä¿¡æ¯
System.out.println(method.getResponseBodyAsString());
//éæ¾è¿æ¥
method.releaseConnection();
}
}
å¨è¿ä¸ªä¾åä¸é¦å
å建ä¸ä¸ªHTTP客æ·ç«¯(HttpClient)çå®ä¾ï¼ç¶åéæ©æ交çæ¹æ³æ¯GETæè
POSTï¼æåå¨HttpClientå®ä¾ä¸æ§è¡æ交çæ¹æ³ï¼æåä»æéæ©çæ交æ¹æ³ä¸è¯»åæå¡å¨åé¦åæ¥çç»æãè¿å°±æ¯ä½¿ç¨HttpClientçåºæ¬æµç¨ãå
¶å®ç¨ä¸è¡ä»£ç ä¹å°±å¯ä»¥æå®æ´ä¸ªè¯·æ±çè¿ç¨ï¼é常çç®åï¼
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POSTæ¹å¼åç½é¡µæ交åæ°
å
¶å®åé¢ä¸ä¸ªæç®åç示ä¾ä¸æ们已ç»ä»ç»äºå¦ä½ä½¿ç¨GETæè
POSTæ¹å¼æ¥è¯·æ±ä¸ä¸ªé¡µé¢ï¼æ¬å°èä¸ä¹ä¸åçæ¯å¤äºæ交æ¶è®¾å®é¡µé¢æéçåæ°ï¼æ们ç¥éå¦æ æ¯GETç请æ±æ¹å¼ï¼é£ä¹ææåæ°é½ç´æ¥æ¾å°é¡µé¢çURLåé¢ç¨é®å·ä¸é¡µé¢å°åéå¼ï¼æ¯ä¸ªåæ°ç¨&éå¼ï¼ä¾å¦ï¼java.sun.com?name=liudong&mobile=123456ï¼ä½æ¯å½ä½¿ç¨POSTæ¹æ³æ¶å°±ä¼ç¨å¾®æä¸ç¹ç¹éº»ç¦ãæ¬å°èçä¾åæ¼ç¤ºåå¦ä½æ¥è¯¢ææºå·ç æå¨çåå¸ï¼ä»£ç å¦ä¸ï¼
*
* Created on 2009-7-9 by skydong
*/
package http.demo;
import java.io.IOException;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
/** *//**
* æ交åæ°æ¼ç¤º
* 该ç¨åºè¿æ¥å°ä¸ä¸ªç¨äºæ¥è¯¢ææºå·ç æå±å°ç页é¢
* 以便æ¥è¯¢å·ç 段1330227æå¨çç份以ååå¸
* @author skydong
*/
public class SimpleHttpClient ...{
public static void main(String[] args) throws IOException
...{
HttpClient client = new HttpClient();
client.getHostConfiguration().setHost("
www.imobile.com.cn", 80, "http");
HttpMethod method = getPostMethod();//使ç¨POSTæ¹å¼æ交æ°æ®
client.executeMethod(method);
//æå°æå¡å¨è¿åçç¶æ
System.out.println(method.getStatusLine());
//æå°ç»æ页é¢
String response = new String(method.getResponseBodyAsString().getBytes("8859_1"));
//æå°è¿åçä¿¡æ¯
System.out.println(response);
method.releaseConnection();
}
/** *//**
* 使ç¨GETæ¹å¼æ交æ°æ®
* @return
*/
private static HttpMethod getGetMethod()...{
return new GetMethod("/simcard.php?simcard=1330227");
}
/** *//**
* 使ç¨POSTæ¹å¼æ交æ°æ®
* @return
*/
private static HttpMethod getPostMethod()...{
PostMethod post = new PostMethod("/simcard.php");
NameValuePair simcard = new NameValuePair("simcard","1330227");
post.setRequestBody(new NameValuePair[] ...{ simcard});
return post;
}
}
å¨ä¸é¢çä¾åä¸é¡µé¢http://
www.imobile.com.cn/simcard.phpéè¦ä¸ä¸ªåæ°æ¯simcardï¼è¿ä¸ªåæ°å¼ä¸ºææºå·ç 段ï¼å³ææºå·ç çåä¸ä½ï¼æå¡å¨ä¼è¿åæ交çææºå·ç 对åºçç份ãåå¸ä»¥åå
¶ä»è¯¦ç»ä¿¡æ¯ãGETçæ交æ¹æ³åªéè¦å¨URLåå å
¥åæ°ä¿¡æ¯ï¼èPOSTåéè¦éè¿NameValuePairç±»æ¥è®¾ç½®åæ°å称åå®æ对åºçå¼
3ï¼ å¤ç页é¢éå®å
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对åºHttpServletResponseç常é
详ç»æè¿°
301
SC_MOVED_PERMANENTLY
页é¢å·²ç»æ°¸ä¹
移å°å¦å¤ä¸ä¸ªæ°å°å
302
SC_MOVED_TEMPORARILY
页é¢ææ¶ç§»å¨å°å¦å¤ä¸ä¸ªæ°çå°å
303
SC_SEE_OTHER
客æ·ç«¯è¯·æ±çå°åå¿
é¡»éè¿å¦å¤çURLæ¥è®¿é®
307
SC_TEMPORARY_REDIRECT
åSC_MOVED_TEMPORARILY
ä¸é¢ç代ç ç段æ¼ç¤ºå¦ä½å¤ç页é¢çéå®å
client.executeMethod(post);
System.out.println(post.getStatusLine().toString());
post.releaseConnection();
//æ£æ¥æ¯å¦éå®å
int statuscode = post.getStatusCode();
if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY) ||
(statuscode == HttpStatus.SC_MOVED_PERMANENTLY) ||
(statuscode == HttpStatus.SC_SEE_OTHER) ||
(statuscode == HttpStatus.SC_TEMPORARY_REDIRECT))
...{//读åæ°çURLå°å
Header header = post.getResponseHeader("location");
if (header != null) ...{
String newuri = header.getValue();
if ((newuri == null) || (newuri.equals("")))
newuri = "/";
GetMethod redirect = new GetMethod(newuri);
client.executeMethod(redirect);
System.out.println("Redirect:"+ redirect.getStatusLine().toString());
redirect.releaseConnection();
} else ...{
System.out.println("Invalid redirect");
}
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¶ä¸ä¸ä¸ªé¡µé¢ç¨response.sendRedirectæ¹æ³éå®åå°å¦å¤ä¸ä¸ªé¡µé¢ç¨æ¥æµè¯ä¸é¢çä¾åã
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*
* Created on 2009-7-9 by skydong
*/
package http.demo;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.cookie.*;
import org.apache.commons.httpclient.methods.*;
/** *//**
* ç¨æ¥æ¼ç¤ºç»å½è¡¨åç示ä¾
* @author skydong
*/
public class FormLoginDemo ...{
static final String LOGON_SITE = "localhost";
static final int LOGON_PORT = 8080;
public static void main(String[] args) throws Exception...{
HttpClient client = new HttpClient();
client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT);
//模æç»å½é¡µé¢login.jsp->main.jsp
PostMethod post = new PostMethod("/main.jsp");
NameValuePair name = new NameValuePair("name", "ld");
NameValuePair pass = new NameValuePair("password", "ld");
post.setRequestBody(new NameValuePair[]...{name,pass});
int status = client.executeMethod(post);
System.out.println(post.getResponseBodyAsString());
post.releaseConnection();
//æ¥çcookieä¿¡æ¯
CookieSpec cookiespec = CookiePolicy.getDefaultSpec();
Cookie[] cookies = cookiespec.match(LOGON_SITE, LOGON_PORT, "/", false, client.getState().getCookies());
if (cookies.length == 0) ...{
System.out.println("None");
} else ...{
for (int i = 0; i < cookies.length; i++) ...{
System.out.println(cookies[i].toString());
}
}
//访é®æéç页é¢main2.jsp
GetMethod get = new GetMethod("/main2.jsp");
client.executeMethod(get);
System.out.println(get.getResponseBodyAsString());
get.releaseConnection();
}
}