添加知乎回答采集

src/main/java/com/zhiwei/media_data_crawler/crawler/ZhihuAnwserCrawlerParse.java

+package com.zhiwei.media_data_crawler.crawler;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.zhiwei.crawler.core.HttpBoot;
+import com.zhiwei.crawler.core.RequestUtils;
+import com.zhiwei.media_data_crawler.entity.ZhihuAnswer;
+import com.zhiwei.tools.timeparse.TimeParse;
+import com.zhiwei.tools.tools.ZhiWeiTools;
+import okhttp3.Response;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.select.Elements;
+
+import java.net.Proxy;
+import java.util.*;
+
+/**
+ * 知乎评论采集
+ */
+public class ZhihuAnwserCrawlerParse {
+
+
+    /**
+     * 获取数据
+     * @param url
+     * @param endDate
+     * @param proxy
+     * @return
+     * @throws Exception
+     */
+    public static List<ZhihuAnswer> getAnswerList(String url, Date endDate, Proxy proxy) throws Exception{
+        try{
+            List<ZhihuAnswer> answerList = new ArrayList<>();
+            String questionId = getQuestionId(url);
+            String bord = getNumberBoard(url, proxy);
+            boolean more = true;
+            int page = 0;
+            while(more){
+                try{
+                    Map<String,Object> dataMap = analsis(questionId,endDate,page,bord,proxy);
+                    if(dataMap!=null && !dataMap.isEmpty()){
+                        more = (boolean)dataMap.get("more");
+                        List<ZhihuAnswer> list = (List<ZhihuAnswer>)dataMap.get("data");
+                        if(list!=null && !list.isEmpty()){
+                            answerList.addAll(list);
+                        }else{
+                            more = false;
+                        }
+                    }
+                    //单线程采集避免被封休眠8s
+                    ZhiWeiTools.sleep(8000);
+                    page++;
+                }catch (Exception e){
+                    more = false;
+                }
+            }
+            return answerList;
+        }catch (Exception e){
+            throw e;
+        }
+    }
+
+
+    /**
+     * 获取问题的关注者和浏览量
+     * @param url
+     * @param proxy
+     * @return
+     * @throws Exception
+     */
+    private static String getNumberBoard(String url, Proxy proxy) throws Exception{
+        try{
+            String body = download(url, proxy);
+            Document document = Jsoup.parse(body);
+            Elements views = document.select("strong.NumberBoard-itemValue");
+            String fllow = "0";
+            String view = "0";
+            if (views.size() >= 2) {
+                fllow=views.get(0).attr("title");
+                view=views.get(1).attr("title");
+            }
+            return fllow+","+view;
+        } catch (Exception e){
+            throw e;
+        }
+    }
+
+
+
+
+
+    /**
+     * 获取单页数据
+     * @param url
+     * @param page
+     * @param endDate
+     * @param proxy
+     * @return
+     * @throws Exception
+     */
+    public static Map<String,Object> getAnswerList(String url, int page, Date endDate, Proxy proxy) throws Exception{
+        try{
+            String questionId = getQuestionId(url);
+            String bord = getNumberBoard(url, proxy);
+            return  analsis(questionId,endDate,page,bord ,proxy);
+        }catch (Exception e){
+            throw e;
+        }
+    }
+
+
+    /**
+     * 解析数据
+     * @param questionId
+     * @param endDate
+     * @param page
+     * @param proxy
+     * @return
+     * @throws Exception
+     */
+    private static Map<String,Object> analsis(String questionId, Date endDate, int page, String bord, Proxy proxy) throws Exception{
+        try{
+            boolean more = true;
+            List<ZhihuAnswer> answerList = new ArrayList<>();
+            String urlNext = getUrl(questionId, page);
+            String body = download(urlNext, proxy);
+            JSONObject dataJson = JSONObject.parseObject(body);
+            Integer count = dataJson.getJSONObject("paging").getInteger("totals");
+            JSONArray jsonArray = dataJson.getJSONArray("data");
+
+            String from_url = "https://www.zhihu.com/question/" + questionId;
+            for(int i=0; i<jsonArray.size(); i++){
+                JSONObject answerJson = jsonArray.getJSONObject(i);
+                Date time = new Date(answerJson.getLong("created_time")*1000);
+                if(time.after(endDate)){
+                    String answerId = answerJson.getString("id");
+                    String link = from_url+"/answers/" + answerId;
+                    String author = answerJson.getJSONObject("author").getString("name");
+                    String authorUrl = "https://www.zhihu.com/people/"+answerJson.getJSONObject("author").getString("url_token");
+                    String content = ZhiWeiTools.delHTMLTag(answerJson.getString("content"));
+                    String title = answerJson.getJSONObject("question").getString("title");
+                    Integer voteup_count = answerJson.getInteger("voteup_count");
+                    Integer comment_count = answerJson.getInteger("comment_count");
+                    Integer guanzhu_count = Integer.valueOf(bord.split(",")[0]);
+                    Integer bord_count = Integer.valueOf(bord.split(",")[1]);
+                    ZhihuAnswer zhihuAnswer = new ZhihuAnswer(link, from_url, title, time, author, authorUrl, content,voteup_count ,comment_count, guanzhu_count, bord_count);
+                    answerList.add(zhihuAnswer);
+                }
+            }
+            if(count<page*20){
+                more = false;
+            }
+            Map<String,Object> resultMap = new HashMap<>();
+            resultMap.put("data", answerList);
+            resultMap.put("more", more);
+            return resultMap;
+        }catch (Exception e){
+            throw e;
+        }
+    }
+
+
+    /**
+     * 根据链接获取数据
+     * @param url
+     * @param proxy
+     * @return
+     * @throws Exception
+     */
+    private static String download(String url, Proxy proxy) throws Exception{
+        try(Response response = HttpBoot.syncCall(RequestUtils.wrapGet(url),proxy)){
+            return response.body().string();
+        }catch (Exception e){
+            throw e;
+        }
+    }
+
+
+    /**
+     * 根据链接获取问题id
+     * @param url
+     * @return
+     * @throws Exception
+     */
+    private static String getQuestionId(String url) throws Exception{
+        try{
+            if(url.contains("question")){
+                return url.split("question/")[1].split("/")[0];
+            }
+        }catch (Exception e){
+            throw e;
+        }
+        throw new Exception("链接不符合要求,不是正常的知乎问题链接");
+
+    }
+
+    /***
+     * 获取数据页链接
+     * @param questionId
+     * @param page
+     * @return
+     */
+    private static String getUrl(String questionId, int page){
+        return "https://www.zhihu.com/api/v4/questions/"+questionId+"/answers?include=data%5B*%5D.is_normal%2Cadmin_closed_comment%2" +
+                "Creward_info%2Cis_collapsed%2Cannotation_action%2Cannotation_detail%2Ccollapse_reason%2Cis_sticky%2Ccollapsed_by%2Csuggest_edit" +
+                "%2Ccomment_count%2Ccan_comment%2Ccontent%2Ceditable_content%2Cvoteup_count%2Creshipment_settings%2Ccomment_permission%2Ccreated_time%2" +
+                "Cupdated_time%2Creview_info%2Crelevant_info%2Cquestion%2Cexcerpt%2Crelationship.is_authorized%2Cis_author%2Cvoting%2Cis_thanked%2Cis_nothelp" +
+                "%3Bdata%5B*%5D.mark_infos%5B*%5D.url%3Bdata%5B*%5D.author.follower_count%2Cbadge%5B*%5D.topics&offset="+page*20+"&limit=20&sort_by=created";
+    }
+
+
+
+    public static void main(String[] args){
+        String url = "https://www.zhihu.com/question/288128510";
+        Date endDate = TimeParse.stringFormartDate("2018-09-20 08:00:00");
+        try{
+            getAnswerList(url,endDate, null);
+        }catch (Exception e){
+           e.fillInStackTrace();
+        }
+    }
+
+
+
+
+}

src/main/java/com/zhiwei/media_data_crawler/entity/ZhihuAnswer.java

+package com.zhiwei.media_data_crawler.entity;
+
+import java.io.Serializable;
+import java.util.Date;
+
+public class ZhihuAnswer implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    private String url;       //地址
+
+    private String from_url;  //问题地址
+
+    private String title;     //标题
+
+    private Date time;      //时间
+
+    private String author;    //发布者
+
+    private String authorUrl; //作者地址
+
+    private String content;   //内容
+
+    private Integer attitudes_count; //点赞数
+
+    private Integer comment_count;   //评论数
+
+    private Integer follow_count; //点赞数
+
+    private Integer bord_count;   //评论数
+
+
+    public ZhihuAnswer(){}
+
+    public ZhihuAnswer(String url, String from_url,String title, Date time, String author,
+                     String authorUrl ,String content, Integer attitudes_count,
+                       Integer comment_count,Integer follow_count,Integer bord_count){
+        this.url = url;
+        this.from_url = from_url;
+        this.title = title;
+        this.time = time;
+        this.author = author;
+        this.authorUrl = authorUrl;
+        this.content = content;
+        this.attitudes_count = attitudes_count;
+        this.comment_count = comment_count;
+        this.follow_count = follow_count;
+        this.bord_count = bord_count;
+
+    }
+
+    @Override
+    public String toString() {
+        return "ZhihuAnswer{" +
+                "url='" + url + '\'' +
+                ", from_url='" + from_url + '\'' +
+                ", title='" + title + '\'' +
+                ", time=" + time +
+                ", author='" + author + '\'' +
+                ", authorUrl='" + authorUrl + '\'' +
+                ", content='" + content + '\'' +
+                ", attitudes_count=" + attitudes_count +
+                ", comment_count=" + comment_count +
+                ", follow_count=" + follow_count +
+                ", bord_count=" + bord_count +
+                '}';
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getFrom_url() {
+        return from_url;
+    }
+
+    public void setFrom_url(String from_url) {
+        this.from_url = from_url;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public Date getTime() {
+        return time;
+    }
+
+    public void setTime(Date time) {
+        this.time = time;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getAuthorUrl() {
+        return authorUrl;
+    }
+
+    public void setAuthorUrl(String authorUrl) {
+        this.authorUrl = authorUrl;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public Integer getAttitudes_count() {
+        return attitudes_count;
+    }
+
+    public void setAttitudes_count(Integer attitudes_count) {
+        this.attitudes_count = attitudes_count;
+    }
+
+    public Integer getComment_count() {
+        return comment_count;
+    }
+
+    public Integer getFollow_count() {
+        return follow_count;
+    }
+
+    public void setFollow_count(Integer follow_count) {
+        this.follow_count = follow_count;
+    }
+
+    public Integer getBord_count() {
+        return bord_count;
+    }
+
+    public void setBord_count(Integer bord_count) {
+        this.bord_count = bord_count;
+    }
+
+    public void setComment_count(Integer comment_count) {
+        this.comment_count = comment_count;
+    }
+}

src/test/java/com/zhiwei/media_data_crawler/test/DataCrawlerTest.java

@@ -3,8 +3,6 @@ package com.zhiwei.media_data_crawler.test;
 import java.net.Proxy;
 import java.util.List;
 
-import org.junit.Test;
-
 import com.zhiwei.media_data_crawler.crawler.BaiduTiebaCrawlerParse;
 import com.zhiwei.media_data_crawler.crawler.SougouZhihuCrawlerParse;
 import com.zhiwei.media_data_crawler.data.DataCrawler;
@@ -19,8 +17,7 @@ public class DataCrawlerTest {
 	
 	
 	
-	
-	@Test
+
 	public void getSoNewsTest(){
 		String word = "马云";     //关键词
 		String startTime = "2017-03-01 00:00:00";  //开始时间