webmagic学习之路-1：采集安居客列表页测试

---恢复内容开始---

package com.action;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.management.JMException;

import org.bson.Document;

import com.model.Model_AnjukeList;
import com.mongodb.BasicDBObject;
import com.util.Constants;
import com.util.GetDate;
import com.util.MD5With32;
import com.util.MongoDBUtil;

import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
import us.codecraft.webmagic.monitor.SpiderMonitor;
import us.codecraft.webmagic.pipeline.ConsolePipeline;
import us.codecraft.webmagic.processor.PageProcessor;

public class GetAnjukeListNum implements PageProcessor {

    public static Model_AnjukeList anjukeList;
    public static List<String> list = new ArrayList<String>();
    public static List<BasicDBObject> list_insert = new ArrayList<BasicDBObject>();
    private Site site = Site.me().setSleepTime(1000).setRetryTimes(3).setCharset("UTF-8")
            .setUserAgent("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36");
    @Override
    public Site getSite() {
        // TODO Auto-generated method stub
        return this.site;
    }

    @Override
    public void process(Page page) {
        String found = null;
        BasicDBObject  doc = null;
        page.addTargetRequests(Constants.list_urls);
        System.out.println("code："+page.getStatusCode());
        String pg = page.getHtml().toString();
        if(pg.length()>100){
            Pattern p = Pattern.compile(Constants.anjuke_Reg_Found);
            Matcher m = p.matcher(pg);
            while(m.find()){
                found = m.group(0).replace("\"found\":", "").replace(",", "");
                String id = MD5With32.encryption(page.getUrl().toString());
                if(!Constants.map_urls.containsKey(id)){
                    continue;
                }
                Model_AnjukeList model_AnjukeList = Constants.map_urls.get(id);
//mongo存储！
                doc = new BasicDBObject("_id",id)
                        .append("city", model_AnjukeList.getCity())
                        .append("towards", model_AnjukeList.getTowards())
                        .append("zone_urls", model_AnjukeList.getZone_urls())
                        .append("zone", model_AnjukeList.getZone())
                        .append("site", model_AnjukeList.getSite())
                        .append("decoration", model_AnjukeList.getDecoration())
                        .append("flag", model_AnjukeList.getFlag())
                        .append("street", model_AnjukeList.getStreet())
                        .append("type", model_AnjukeList.getType())
                        .append("page", model_AnjukeList.getPage())
                        .append("urls", model_AnjukeList.getUrls())
                        .append("found", found)
                        .append("update_time", model_AnjukeList.getUpdate_time())
                        ;
                list_insert.add(doc);
            }
        }
    }

    public static void main(String[] args) {
        String city = "北京";
        String urls = "https://beijing.anjuke.com/sale/";
        MongoGetUrls.GetMongoUrls(city);
        System.out.println("任务总数："+Constants.list_urls.size());
        Spider.create(new GetAnjukeListNum())
            .addUrl(urls)
            .addPipeline(new ConsolePipeline())
            .thread(30)
            .run();

        MongoDBUtil.saveMany(..., list_insert);
    }
}

第一次用webmagic 很多东西不懂，也没有重写。

很多都是用纯java实现

让我们慢慢发现webmagic的强大吧！