Java实现精易论坛登录与查询个人资料

yueying · 发表于 2017-2-25 07:42:06

适合有一定基础的阅读，主要学习HttpClient框架如何使用，简单三层结构，包含POST与GET请求，以及获取Cookies和携带Cookies的Demo。

package bbs.dao;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
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.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import bbs.domain.User;
public class UserDao {
public UserDao() {
}
/**
* 登录功能
* [url=home.php?mod=space&uid=275307]@param[/url] user
* @return
*/
public String login(User user){
String url = "http://bbs.125.la/member.php?mod=logging&action=login&loginsubmit=yes&infloat=yes&lssubmit=yes&inajax=1";
try{
DefaultHttpClient http = new DefaultHttpClient();
HttpPost request = new HttpPost(url);
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username",user.getUsername()));
params.add(new BasicNameValuePair("password",user.getPassword()));
request.setEntity(new UrlEncodedFormEntity(params,HTTP.UTF_8));
HttpResponse response = http.execute(request);
if(response.getStatusLine().getStatusCode() == 200){
List<Cookie> cookies = http.getCookieStore().getCookies();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < cookies.size(); i++) {
Cookie cookie = cookies.get(i);
sb.append(cookie.getName() + "=" + cookie.getValue() + ";");
}
user.setCookies(sb.toString());
return EntityUtils.toString(response.getEntity());
}
}catch(Exception e){
throw new RuntimeException(e);
}
return null;
}
public String queryProfile(String uid , String cookies){
String url = "http://bbs.125.la/home.php?mod=space&uid={0}&do=profile";
try{
url = MessageFormat.format(url, uid);
DefaultHttpClient http = new DefaultHttpClient();
HttpGet request = new HttpGet(url);
request.setHeader("Cookie", cookies);
HttpResponse response = http.execute(request);
if(response.getStatusLine().getStatusCode() == 200){
return EntityUtils.toString(response.getEntity());
}
}catch(Exception e){
throw new RuntimeException(e);
}
return null;
}
}