没事写的获取校内好友头像

package on201104;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;


public class GetFlist {
	
	static final String LOGON_SITE = "http://www.renren.com";

	static final int LOGON_PORT = 80;
	
	static final String DEPT_PATH = "d:\\temp\\abc";

	public static Map<String,String> GetFriendMap(Cookie[] cookies) {
		Map<String,String> map = new HashMap<String,String>();
		String url = "http://friend.renren.com/myfriendlistx.do";
		String responseString = "";
		HttpClient client = new HttpClient();
		client.getHostConfiguration().setHost(LOGON_SITE,LOGON_PORT);
		GetMethod get = new GetMethod(url);
		client.getState().addCookies(cookies);
		// 分析HTML
		try {
			client.executeMethod(get);
			responseString = get.getResponseBodyAsString();
			if (responseString.lastIndexOf("var friends=") > -1
					&& responseString.lastIndexOf("var hotfriends=[]") > -1) {
				int stat = responseString.lastIndexOf("var friends=[") + 13;
				int end = responseString.lastIndexOf("var hotfriends=[]") - 4;
				responseString = responseString.substring(stat, end);
				String ulist[] = responseString.split("\\},\\{");

				// list
				for (int i = 0; i < ulist.length; i++) {
					//获取一个人的所有属性
					Map<String,String> allProps = JsonUtil.json2Map(ulist[i]);
					map.put(allProps.get("id"), allProps.get("head").replaceAll("\\\\/", "/"));
				}
			} else {
				System.out.println("好友列表获取失败");
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		get.releaseConnection();
		return map;
	}
	
	public static void main(String[] args) {
		String name = "xxx";
		String passwd = "xxx";
		getAllFriends(name, passwd);
	}

	/**
	 * 获取所有好友
	 * @param name
	 * @param passwd
	 */
	@SuppressWarnings("unchecked")
	private static void getAllFriends(String name, String passwd) {
		//获取所有朋友，和他们的头像。
		Map<String,String> map = GetFriendMap(new RrLogin().login(name, passwd));
		int i = 1;
		int size = map.keySet().size();
		for(Object obj : map.entrySet()) {
			System.out.println(size + "-->" + i + ":");
			Entry<String,String> one = (Entry<String,String>)obj;
			String id = one.getKey();
			String value = one.getValue();
			saveOnePic(DEPT_PATH,id,value);
			i++;
		}
	}

	/**
	 * 保存一张图片
	 * @param deptPath
	 * @param id
	 * @param value
	 */
	private static void saveOnePic(String deptPath, String id, String value) {
		System.out.println(id + ":" + value);
		if (value !=null ) {
			try {
				URL url = new URL(value);
				HttpURLConnection conn = (HttpURLConnection) url.openConnection();
				File file = new File(deptPath + "\\" + id + ".jpg");
	            // 生成图片  
				InputStream in = conn.getInputStream();
	            BufferedOutputStream out = new BufferedOutputStream(  
	                    new FileOutputStream(file));  
	            byte[] buf = new byte[2048];  
	            int length = in.read(buf);  
	            while (length != -1) {  
	                out.write(buf, 0, length);  
	                length = in.read(buf);  
	            }  
	            in.close();  
	            out.close();  
				
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}
}

package on201104;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

public class JsonUtil {

	static String SEP_FU = ",";
	
	static String SEP_FU2 = ":";

	public static String[] json2Array(String jsonStr) {
		if (StringUtils.isNotBlank(jsonStr)) {
			jsonStr = jsonStr.replaceAll("\"", "").replaceAll("\\{", "").replaceAll("\\}", "");
			if (jsonStr.contains(".,Ltd")) {
				jsonStr = jsonStr.replace(".,Ltd", ".Ltd");
			}
			String[] props = jsonStr.split(SEP_FU);
			return props;
		}
		return null;
	}
	
	public static Map<String,String> array2Map(String[] array) {
		Map<String,String> map = new HashMap<String,String>();
		String ssss = "WQWWQWQW";
		if (array != null) {
			for (String str : array) {
				str = str.replaceFirst(SEP_FU2, ssss);
				map.put(str.split(ssss)[0], str.split(ssss)[1]);
			}
		}
		return map;
	}
	
	public static Map<String,String> json2Map(String jsonStr) {
		return array2Map(json2Array(jsonStr));
	}
}

package on201104;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

public class RrLogin {

	static final String LOGON_SITE = "http://www.renren.com";

	static final int LOGON_PORT = 80;

	public Cookie[] login(String name, String pas) {
		HttpClient client = new HttpClient();
		client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT);
		PostMethod post = new PostMethod("http://passport.renren.com/PLogin.do");
		NameValuePair username = new NameValuePair("email", name);
		NameValuePair password = new NameValuePair("password", pas);
		NameValuePair origURL = new NameValuePair("origURL",
				"http://home.renren.com/Home.do");
		NameValuePair domain = new NameValuePair("domain", "renren.com");
		NameValuePair formName = new NameValuePair("formName", "");
		NameValuePair method = new NameValuePair("method", "");
		post.setRequestBody(new NameValuePair[] { username, password, origURL,
				domain, formName, method });
		try {
			client.executeMethod(post);
		} catch (HttpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		String responseString = null;
		try {
			responseString = new String(post.getResponseBodyAsString()
					.getBytes("UTF-8"));
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		Cookie[] cookies = client.getState().getCookies();
		client.getState().addCookies(cookies);
		post.releaseConnection();

		// 截取转跳地址
		if (responseString.lastIndexOf("The URL has moved") > -1) {
			responseString.substring(26, responseString.length() - 10);
			String newUrl = responseString.substring(27, responseString
					.length() - 11);

			// 实施转跳
			GetMethod get = new GetMethod(newUrl);
			get.setRequestHeader("User-Agent",
					"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0;)");
			get.setRequestHeader("Cookie", cookies.toString());
			try {
				client.executeMethod(get);
			} catch (HttpException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			get.releaseConnection();
			return client.getState().getCookies();
		}
		return null;
	}
}