【网络爬虫】微信公众号采集
# WeixinCrawler
根据搜狗搜索 关键词采集 微信公众号和相应推文
采集策略：深度搜索采集
核心代码：
package main;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
import java.util.Set;
import org.apache.log4j.Logger;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.yaml.snakeyaml.util.UriEncoder;
import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import model.HtmlParserTool;
import model.LinkFilter;
/**
*
* @ClassName: crawlWeixinMain
* @Description: 搜狗微信采集
* @author zeze
* @date 2017年4月1日 下午2:50:26
*
*/
public class crawlWeixinMain {
private static Logger logger = Logger.getLogger(crawlWeixinMain.class);
private static WebClient webClient;
private static String host = "http://weixin.sogou.com/";
private static String savePath = "f:/saveWeixin/";
private static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
private static int sleepTime = 8000;
private static int randomTime = 3000;
public static void main(String[] args) {
String keyword = "xyzqfzfgs";
int type = 2;// 1表示采集公众号,2表示采集文章
if (type == 1)
searchWeixinAccounts(keyword);
else if (type == 2)
searchWeixinArticles(keyword);
}
/**
* 初始化webclient header
*/
private static WebClient getWebClient() {
WebClient webClient = new WebClient(BrowserVersion.FIREFOX_17);
webClient.getOptions().setTimeout(20000);
webClient.getOptions().setThrowExceptionOnFailingStatusCode(false);
webClient.getOptions().setThrowExceptionOnScriptError(false);
webClient.getOptions().setCssEnabled(false);
// webClient.getOptions().setJavaScriptEnabled(false);
webClient.addRequestHeader("User-Agent",
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36");
webClient.addRequestHeader("Accept",
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
webClient.addRequestHeader("Accept-Language", "zh-CN,zh;q=0.8");
webClient.addRequestHeader("Accept-Encoding", "gzip, deflate, sdch");
webClient.addRequestHeader("Connection", "keep-alive");
webClient.addRequestHeader("Upgrade-Insecure-Requests", "1");
webClient.addRequestHeader("Cache-Control", "max-age=0");
webClient.addRequestHeader("Host", "weixin.sogou.com");
return webClient;
}
/**
* @Title: searchWeixinAccounts 根据关键词搜索微信公众号
*/
private static void searchWeixinAccounts(String keyword) {
keyword = UriEncoder.encode(keyword);
System.out.println("关键词：" + keyword);
String url = "http://weixin.sogou.com/weixin?type=1&s_from=input&query=" + keyword
+ "&ie=utf8&_sug_=n&_sug_type_=";
// logger.info(url);
WebClient webClient = getWebClient();
HtmlPage page = null;
try {
page = webClient.getPage(url);
Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
} catch (InterruptedException e) {
logger.error(e);
}
HtmlParserTool htmlparser = new HtmlParserTool();
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 1, 0);
Set<String> links = htmlparser.extracLinksByBody(page.asXml(), url, new LinkFilter() {
public boolean accept(String url) {
return true;
}
}, "utf-8");
webClient.addRequestHeader("Host", "mp.weixin.qq.com");// 重新设置头文件
for (String link : links) {
if (link.contains("/mp.weixin.qq.com/profile")) {// 抽取得到一个微信公众号
link = link.replaceAll("&", "&");
System.out.println("搜索得到的公众号URL:" + link);
try {
page = webClient.getPage(link);
Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
} catch (InterruptedException e) {
logger.error(e);
}
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 1, 1);
int indexMsgList = page.asXml().indexOf("var msgList =");
int indexSeajs = page.asXml().indexOf("seajs.use(");
if (indexMsgList != -1 && indexSeajs != -1) {
String msgList = page.asXml().substring(indexMsgList + 13, indexSeajs - 10);
// System.out.println(msgList);
try {
JSONObject obj = new JSONObject(msgList);
String listStr = obj.getString("list");
// System.out.println("listStr:" + listStr);
JSONArray listArray = new JSONArray(listStr);
// System.out.println("list size=" +
// listArray.length());
for (int i = 0; i < listArray.length(); i++) {
JSONObject listObj = listArray.getJSONObject(i);
String app_msg_ext_info_Str = listObj.getString("app_msg_ext_info");
// System.out.println("app_msg_ext_info_Str : " +
// app_msg_ext_info_Str);
JSONObject appObj = new JSONObject(app_msg_ext_info_Str);
String appUrlStr = "http://mp.weixin.qq.com/"
+ appObj.getString("content_url").replaceAll("&", "&");
;
String appTitleStr = appObj.getString("title");
System.out.println(i + " app_Title:" + appTitleStr + " " + appUrlStr);
try {
page = webClient.getPage(appUrlStr);
Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
} catch (InterruptedException e) {
logger.error(e);
}
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 1, 2);
String multi_app_msg_item_list_Str = appObj.getString("multi_app_msg_item_list");
// System.out.println("multi_app_msg_item_list_Str :
// "+multi_app_msg_item_list_Str);
JSONArray multiArray = new JSONArray(multi_app_msg_item_list_Str);
// System.out.println("multi size=" +
// multiArray.length());
for (int j = 0; j < multiArray.length(); j++) {
JSONObject multiObj = multiArray.getJSONObject(j);
String multiUrl = "http://mp.weixin.qq.com"
+ multiObj.getString("content_url").replaceAll("&", "&");
String multiTitle = multiObj.getString("title");
System.out.println(j + " multi_Title" + multiTitle + " " + multiUrl);
try {
page = webClient.getPage(multiUrl);
Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
} catch (InterruptedException e) {
logger.error(e);
}
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 1, 2);
}
}
} catch (JSONException e) {
System.out.println(e);
}
} else {
logger.error("异常页面：" + page.asXml());
}
}
}
}
/**
* @Title: searchWeixinArticles 根据关键词搜微信文章
*/
private static void searchWeixinArticles(String keyword) {
keyword = UriEncoder.encode(keyword);
System.out.println("关键词：" + keyword);
String url = "http://weixin.sogou.com/weixin?type=2&s_from=input&query=" + keyword
+ "&ie=utf8&_sug_=n&_sug_type_=";
WebClient webClient = getWebClient();
HtmlPage page = null;
try {
page = webClient.getPage(url);
// Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
}
// } catch (InterruptedException e) {
// logger.error(e);
// }
HtmlParserTool htmlparser = new HtmlParserTool();
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 2, 0);
Set<String> links = htmlparser.extracLinksByBody(page.asXml(), url, new LinkFilter() {
public boolean accept(String url) {
return true;
}
}, "utf-8");
webClient.addRequestHeader("Host", "mp.weixin.qq.com");// 重新设置头文件
for (String link : links) {
if (link.contains("/mp.weixin.qq.com/s?")) {// 抽取得到一个微信公众号
link = link.replaceAll("&", "&");
System.out.println("搜索得到的文章URL:" + link);
logger.info("搜索得到的文章URL:" + link);
try {
page = webClient.getPage(link);
Thread.sleep(sleepTime + new Random().nextInt(randomTime));
} catch (FailingHttpStatusCodeException e) {
logger.error(e);
} catch (MalformedURLException e) {
logger.error(e);
} catch (IOException e) {
logger.error(e);
} catch (InterruptedException e) {
logger.error(e);
}
// System.out.println(page.asXml());
// 保存该页面page.asXml
savePage(page.asXml(), keyword, 2, 1);
}
}
}
/**
* 保存目录：关键词/采集时间/type/deep/FormatDate.html 根据关键词采集深度和采集类型保存页面
*
* @Title: savePage
* @param @param
* page 页面
* @param @param
* type 微信采集Type 1表示公众号，2表示采集文章
* @param @param
* deep 根据采集深度保存页面
* @param @param
* keyword 关键词
* @return void 返回类型
*/
private static void savePage(String page, String keyword, int type, int deep) {
long start = System.currentTimeMillis();
String path = null;
File file2 = null;
SimpleDateFormat dateFormat1 = new SimpleDateFormat("yyyyMMddHH");
String outputpath = savePath + "KeyWord-" + keyword + "/";
file2 = new File(outputpath);
if (!file2.exists())
file2.mkdirs();
outputpath = outputpath + "Time-" + dateFormat1.format(new Date()) + "/";
file2 = new File(outputpath);
if (!file2.exists())
file2.mkdirs();
outputpath = outputpath + "Type-" + type + "/";
file2 = new File(outputpath);
if (!file2.exists())
file2.mkdirs();
outputpath = outputpath + "Deep-" + deep + "/";
file2 = new File(outputpath);
if (!file2.exists())
file2.mkdirs();
path = new String(outputpath + dateFormat.format(new Date()) + "_D." + deep + "_T" + type + ".html");
file2 = new File(path);
FileOutputStream outputStream;
try {
outputStream = new FileOutputStream(file2);
outputStream.write(page.getBytes());
start = System.currentTimeMillis();
outputStream.close();
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
}
}
