HttpClient4之模拟http请求

package  com.li.utli;
 
import  java.io.IOException;
import  java.util.ArrayList;
import  java.util.List;
import  java.util.Map;
 
import  org.apache.http.Header;
import  org.apache.http.HttpEntity;
import  org.apache.http.HttpResponse;
import  org.apache.http.NameValuePair;
import  org.apache.http.client.ClientProtocolException;
import  org.apache.http.client.entity.UrlEncodedFormEntity;
import  org.apache.http.client.methods.HttpGet;
import  org.apache.http.client.methods.HttpPost;
import  org.apache.http.cookie.Cookie;
import  org.apache.http.impl.client.DefaultHttpClient;
import  org.apache.http.message.BasicHeader;
import  org.apache.http.message.BasicNameValuePair;
 
import  com.li.bean.Result;
 
/**
  * 发送请求
  * 
  *
  */
 
public  class  SendRequest {
    
     //这是模拟get请求
     public  static  Result sendGet(String url,Map<String,String> headers,Map<String,String>  params,String encoding, boolean  duan)  throws  ClientProtocolException, IOException{
     //实例化一个Httpclient的
         DefaultHttpClient client =  new  DefaultHttpClient();
         //如果有参数的就拼装起来
         url = url+( null ==params? "" :assemblyParameter(params));
         //这是实例化一个get请求
         HttpGet hp =  new  HttpGet(url);
         //如果需要头部就组装起来
         if ( null !=headers)hp.setHeaders(assemblyHeader(headers));
         //执行请求后返回一个HttpResponse
         HttpResponse response = client.execute(hp);
         //如果为true则断掉这个get请求
         if (duan) hp.abort();
         //返回一个HttpEntity
         HttpEntity  entity = response.getEntity();
         //封装返回的参数
         Result result=  new  Result();
         //设置返回的cookie
         result.setCookie(assemblyCookie(client.getCookieStore().getCookies()));
         //设置返回的状态
         result.setStatusCode(response.getStatusLine().getStatusCode());
         //设置返回的头部信心
         result.setHeaders(response.getAllHeaders());
         //设置返回的信息
         result.setHttpEntity(entity);
         return  result;
     }
     public  static  Result sendGet(String url,Map<String,String> headers,Map<String,String>  params,String encoding)  throws  ClientProtocolException, IOException{
         return  sendGet(url, headers, params, encoding, false );
     }
     
     //这是模拟post请求
     public  static  Result sendPost(String url,Map<String,String> headers,Map<String,String>  params,String encoding)  throws  ClientProtocolException, IOException{
         //实例化一个Httpclient的
         DefaultHttpClient client =  new  DefaultHttpClient();
         //实例化一个post请求
         HttpPost post =  new  HttpPost(url);
         
         //设置需要提交的参数
         List<NameValuePair> list  =  new  ArrayList<NameValuePair>();
         for  (String temp : params.keySet()) {
             list.add( new  BasicNameValuePair(temp,params.get(temp)));
         }
         post.setEntity( new  UrlEncodedFormEntity(list,encoding));
         
         //设置头部
         if ( null !=headers)post.setHeaders(assemblyHeader(headers));
 
         //实行请求并返回
         HttpResponse response = client.execute(post);
         HttpEntity  entity = response.getEntity();
         
         //封装返回的参数
         Result result =  new  Result();
         //设置返回状态代码
         result.setStatusCode(response.getStatusLine().getStatusCode());
         //设置返回的头部信息
         result.setHeaders(response.getAllHeaders());
         //设置返回的cookie信心
         result.setCookie(assemblyCookie(client.getCookieStore().getCookies()));
         //设置返回到信息
         result.setHttpEntity(entity);
         return  result ;
     }
     
     //这是组装头部
     public  static  Header[] assemblyHeader(Map<String,String> headers){
         Header[] allHeader=  new  BasicHeader[headers.size()];
         int  i  =  0 ;
         for  (String str :headers.keySet()) {
             allHeader[i] =  new  BasicHeader(str,headers.get(str));
             i++;
         }
         return  allHeader;
     }
     
     //这是组装cookie
     public  static  String assemblyCookie(List<Cookie> cookies){
         StringBuffer sbu =  new  StringBuffer();
         for  (Cookie cookie : cookies) {
             sbu.append(cookie.getName()).append( "=" ).append(cookie.getValue()).append( ";" );
         }
         if (sbu.length()> 0 )sbu.deleteCharAt(sbu.length()- 1 );
         return  sbu.toString();
     }
     //这是组装参数
     public  static  String assemblyParameter(Map<String,String> parameters){
         String para =  "?" ;
         for  (String str :parameters.keySet()) {
             para+=str+ "=" +parameters.get(str)+ "&" ;
         }
         return  para.substring( 0 ,para.length()- 1 );
     }
}
 





package  com.li.bean;
 
import  java.util.HashMap;
 
import  org.apache.http.Header;
import  org.apache.http.HttpEntity;
 
/**
  * 封住请求返回的参数
  * 
  *
  */
 
public  class  Result {
     
     private  String cookie;
     private  int  statusCode;
     private  HashMap<String, Header> headerAll;
     private  HttpEntity httpEntity;
     
     public  String getCookie() {
         return  cookie;
     }
     public  void  setCookie(String cookie) {
         this .cookie = cookie;
     }
     public  int  getStatusCode() {
         return  statusCode;
     }
     public  void  setStatusCode( int  statusCode) {
         this .statusCode = statusCode;
     }
     public  HashMap<String, Header> getHeaders() {
         return  headerAll;
     }
     
     public  void  setHeaders(Header[] headers){
         headerAll =  new  HashMap<String, Header>();
         for  (Header header : headers) {
             headerAll.put(header.getName(), header);
         }
     }
     public  HttpEntity getHttpEntity() {
         return  httpEntity;
     }
     public  void  setHttpEntity(HttpEntity httpEntity) {
         this .httpEntity = httpEntity;
     }
}








package  com.li.utli;
 
import  java.util.ArrayList;
import  java.util.List;
import  java.util.regex.Matcher;
import  java.util.regex.Pattern;
 
/**
  * 根据正则从HTML中提取响应的数据
  *
  *
  */
 
public  class  HtmlParse {
     
     public  static  List<String> prase(String html,String regex, int  number){
         
         Pattern patten = Pattern.compile(regex);
         Matcher mat = patten.matcher(html);
         List<String> list =  new  ArrayList<String>();
         while (mat.find()) {
        if (number==- 1 ){
            list.add(mat.group());
            continue ;
        }
         if (number> 0 ){
             list.add(mat.group());
             number--;
            } else {
                break ;
            }
         }
         return  list;
     }   
     
     public  static  List<String> prase(String html,String regex){
         return  prase(html, regex, - 1 );
     }
     
}



Java code ?





package  com.li.main;
 
import  java.io.IOException;
import  java.util.HashMap;
import  java.util.Map;
 
import  javax.swing.JOptionPane;
 
import  org.apache.http.client.ClientProtocolException;
import  org.apache.http.util.EntityUtils;
 
import  com.li.bean.Result;
import  com.li.utli.HtmlParse;
import  com.li.utli.SendRequest;
import  com.li.utli.VerificationcCode;
 
/**
  * 百度贴吧的发帖及其回贴
  * 
  *
  */
public  class  BaiduTieBaNDWS {
     
     public  static   String reply(String content, String postsUrl,String cookie)  throws  ClientProtocolException, IOException {
         
         
         //这是一些可有可无的头部信息，有的时候不需要，但是有的时候确需要，所以建议大家最好加上！
         Map<String,String> headers =  new  HashMap<String,String>();
         headers.put( "Referer" , postsUrl);
         headers.put( "Host" ,  "tieba.baidu.com" );
         headers.put( "Cookie" ,cookie);
         
         //这是从帖子中获取一些发帖时候必备的参数
         String html = EntityUtils.toString(SendRequest.sendGet(postsUrl, headers,  null ,  "utf-8" ).getHttpEntity(), "utf-8" );
         
         String needParametersResolve[] = HtmlParse.prase(html,  "kw:'.+',ie:'utf-8',rich_text:'\\d+',floor_num:'\\d+',fid:'\\d+',tid:'\\d+',tfrom:'\\d+',user_type:'\\d+'" ).get( 0 ).replaceAll( "'" ,  "" ).split( "," );
         
         String floor_num = needParametersResolve[ 3 ].split( ":" )[ 1 ];
         String fid = needParametersResolve[ 4 ].split( ":" )[ 1 ];
         
         String tid = needParametersResolve[ 5 ].split( ":" )[ 1 ];
         String kw =needParametersResolve[ 0 ].split( ":" )[ 1 ];
         
         
         String vk_code = EntityUtils.toString(SendRequest.sendGet( "http://tieba.baidu.com/f/user/json_vcode?lm=" +fid+ "&rs10=2&rs1=0&t=0.5954980056343667" ,  null ,  null ,  "utf-8" ).getHttpEntity(), "utf-8" );
         String code = vk_code.split( "\"" )[ 7 ];
         String tbs = EntityUtils.toString(SendRequest.sendGet( "http://tieba.baidu.com/dc/common/tbs?t=0.17514605234768638" , headers,  null ,  "utf-8" ).getHttpEntity(), "utf-8" ).split( "\"" )[ 3 ];
         
         //这是下载验证码
         VerificationcCode.showGetVerificationcCode( "http://tieba.baidu.com/cgi-bin/genimg?" +code,  null , "e:/1.png" );
         
         //设置提交所有的参数
         Map<String,String> parameters =  new  HashMap<String,String>();
         parameters.put( "add_post_submit" ,  "发 表 " );
         parameters.put( "kw" , kw);
         parameters.put( "floor_num" , floor_num);
         parameters.put( "ie" ,  "utf-8" );
         parameters.put( "rich_text" ,  "1" );
         parameters.put( "hasuploadpic" ,  "0" );
         parameters.put( "fid" ,fid);
         parameters.put( "rich_text" ,  "1" );
         parameters.put( "tid" , tid);
         parameters.put( "hasuploadpic" ,  "0" );
         parameters.put( "picsign" ,  "" );
         parameters.put( "quote_id" ,  "0" );
         parameters.put( "useSignName" ,  "on" );
         parameters.put( "content" , content);
         parameters.put( "vcode_md5" , code);
         parameters.put( "tbs" , tbs);
         parameters.put( "vcode" , JOptionPane.showInputDialog( null ,
                 "<html><img src=\"file:///e:/1.png\" width=\33\" height=\55\"><br><center>请输入验证码</center><br></html>" ));
         
         //准备好一切，回帖
         Result res = SendRequest.sendPost( "http://tieba.baidu.com/f/commit/post/add" , headers, parameters,  "utf-8" );
         
         //回帖之后百度会返回一段json，说明是否回帖成功
         return  EntityUtils.toString(res.getHttpEntity(), "utf-8" );
     }
 
     //百度登陆
     public  static   String testAccount(String name, String password)  throws  ClientProtocolException, IOException {
         Map<String,String> parameters =  new  HashMap<String,String>();
         parameters.put( "password" , password);
         parameters.put( "username" , name);
             String str = SendRequest.sendPost( "https://passport.baidu.com/?login" ,  null , parameters, "utf-8" ).getCookie();
             return  str;
     }
     
}