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Code Issues Packages Releases Wiki Activity

1.优化爬虫编写规则，兼容更多网站 2.新增书趣阁书源

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This commit is contained in:
xiongxiaoyang
2020-05-18 14:01:49 +08:00
parent 8c2e43c04f
commit 92ce982899
10 changed files with 339 additions and 79 deletions
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41
novel-crawl/src/main/java/com/java2nb/novel/core/crawl/CrawlParser.java
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@ -3,12 +3,17 @@ package com.java2nb.novel.core.crawl;
import com.java2nb.novel.core.utils.HttpUtil;
import com.java2nb.novel.core.utils.IdWorker;
import com.java2nb.novel.core.utils.RandomBookInfoUtil;
import com.java2nb.novel.core.utils.RestTemplateUtil;
import com.java2nb.novel.entity.Book;
import com.java2nb.novel.entity.BookContent;
import com.java2nb.novel.entity.BookIndex;
import com.java2nb.novel.utils.Constants;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import java.text.SimpleDateFormat;
import java.util.*;
@ -22,17 +27,20 @@ import static java.util.regex.Pattern.compile;
*
* @author Administrator
*/
@Slf4j
public class CrawlParser {
public static final Integer BOOK_INDEX_LIST_KEY = 1;
public static final Integer BOOK_CONTENT_LIST_KEY = 2;
private static RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
@SneakyThrows
public static Book parseBook(RuleBean ruleBean, String bookId) {
Book book = new Book();
String bookDetailUrl = ruleBean.getBookDetailUrl().replace("{bookId}", bookId);
String bookDetailHtml = HttpUtil.getByHttpClient(bookDetailUrl);
String bookDetailHtml = getByHttpClient(bookDetailUrl);
if (bookDetailHtml != null) {
Pattern bookNamePatten = compile(ruleBean.getBookNamePatten());
Matcher bookNameMatch = bookNamePatten.matcher(bookDetailHtml);
@ -54,6 +62,9 @@ public class CrawlParser {
boolean isFindPicUrl = picUrlMatch.find();
if (isFindPicUrl) {
String picUrl = picUrlMatch.group(1);
if(StringUtils.isNotBlank(picUrl) && StringUtils.isNotBlank(ruleBean.getPicUrlPrefix())) {
picUrl = ruleBean.getPicUrlPrefix() + picUrl;
}
//设置封面图片路径
book.setPicUrl(picUrl);
}
@ -136,7 +147,10 @@ public class CrawlParser {
List<BookContent> contentList = new ArrayList<>();
//读取目录
String indexListUrl = ruleBean.getBookIndexUrl().replace("{bookId}", sourceBookId);
String indexListHtml = HttpUtil.getByHttpClient(indexListUrl);
String indexListHtml = getByHttpClient(indexListUrl);
if(StringUtils.isNotBlank(ruleBean.getBookIndexStart())){
indexListHtml = indexListHtml.substring(indexListHtml.indexOf(ruleBean.getBookIndexStart()) + ruleBean.getBookIndexStart().length());
}
if (indexListHtml != null) {
Pattern indexIdPatten = compile(ruleBean.getIndexIdPatten());
Matcher indexIdMatch = indexIdPatten.matcher(indexListHtml);
@ -162,7 +176,7 @@ public class CrawlParser {
String contentUrl = ruleBean.getBookContentUrl().replace("{bookId}", sourceBookId).replace("{indexId}", indexIdMatch.group(1));
//查询章节内容
String contentHtml = HttpUtil.getByHttpClient(contentUrl);
String contentHtml = getByHttpClient(contentUrl);
if (contentHtml != null) {
String content = contentHtml.substring(contentHtml.indexOf(ruleBean.getContentStart()) + ruleBean.getContentStart().length());
content = content.substring(0, content.indexOf(ruleBean.getContentEnd()));
@ -237,4 +251,25 @@ public class CrawlParser {
}
private static String getByHttpClient(String url) {
try {
ResponseEntity<String> forEntity = restTemplate.getForEntity(url, String.class);
if (forEntity.getStatusCode() == HttpStatus.OK) {
String body = forEntity.getBody();
if(body.length() < Constants.INVALID_HTML_LENGTH){
log.debug("获取html页面内容失败");
Thread.sleep(10 + new Random().nextInt(60));
return getByHttpClient(url);
}
return body;
} else {
return null;
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}

13
novel-crawl/src/main/java/com/java2nb/novel/core/crawl/RuleBean.java
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@ -11,6 +11,14 @@ import java.util.Map;
@Data
public class RuleBean {
/**
* 小说更新列表url
* */
private String updateBookListUrl;
/**
* 分类列表页URL规则
* */
private String bookListUrl;
private Map<String,String> catIdRule;
@ -39,4 +47,9 @@ public class RuleBean {
private String contentEnd;
private String picUrlPrefix;
private String bookIndexStart;
}

5
novel-crawl/src/main/java/com/java2nb/novel/utils/Constants.java
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@ -14,4 +14,9 @@ public class Constants {
* 访问量默认值
*/
public static final Long VISIT_COUNT_DEFAULT = 100L;
/**
* 爬取小说http请求中无效的内容长度
*/
public static final int INVALID_HTML_LENGTH = 1000;
}

22
novel-crawl/src/main/resources/templates/crawl/crawlSource_add.html
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@ -57,6 +57,9 @@
<li><span id="LabErr"></span></li>
示例：<b>新顶点小说网</b>
<li><input type="text" id="sourceName" class="s_input icon_name" placeholder="源站名"></li>
<!--示例：<b>https://m.xdingdiann.com/sort/0/1.html</b>
<li><input type="text" id="updateBookListUrl" class="s_input icon_key"
placeholder="小说更新列表url"></li>-->
示例：<b>http://m.xdingdiann.com/sort/{catId}/{page}.html</b> ({catId}代表分类ID，{page}代表分页页码)
<li><input type="text" id="bookListUrl" class="s_input icon_key"
placeholder="分类列表页URL规则"></li>
@ -95,6 +98,9 @@
示例：<b>&lt;img src="([^>]+)"\s+onerror="this.src=</b>
<li><input type="text" id="picUrlPatten" class="s_input icon_key"
placeholder="小说图片路径的正则表达式："></li>
<b>可空，适用于图片路径为相对路径的源站，加上小说图片路径，则为完整的可访问的图片路径</b>
<li><input type="text" id="picUrlPrefix" class="s_input icon_key"
placeholder="小说图片访问路径前缀："></li>
示例：<b>状态：([^/]+)&lt;/li&gt;</b>
<li><input type="text" id="statusPatten" class="s_input icon_key"
placeholder="小说状态的正则表达式："></li>
@ -125,6 +131,9 @@
示例：<b>http://m.xdingdiann.com/ddk{bookId}/all.html</b> (bookId代表小说ID)
<li><input type="text" id="bookIndexUrl" class="s_input icon_key"
placeholder="小说目录页的URL规则："></li>
<b>可空，适用于最新章节列表和全部章节列表在同一个页面的源站</b>
<li><input type="text" id="bookIndexStart" class="s_input icon_key"
placeholder="小说目录页内容开始截取字符串："></li>
示例：<b>&lt;a\s+style=""\s+href="/ddk\d+/(\d+)\.html"&gt;[^/]+&lt;/a&gt;</b>
<li><input type="text" id="indexIdPatten" class="s_input icon_key"
placeholder="目录页目录ID正则表达式："></li>
@ -278,6 +287,12 @@
crawlRule.picUrlPatten = picUrlPatten;
}
var picUrlPrefix = $("#picUrlPrefix").val();
if (picUrlPrefix.length > 0) {
crawlRule.picUrlPrefix = picUrlPrefix;
}
var statusPatten = $("#statusPatten").val();
if (statusPatten.length > 0) {
crawlRule.statusPatten = statusPatten;
@ -345,6 +360,13 @@
crawlRule.bookIndexUrl = bookIndexUrl;
var bookIndexStart = $("#bookIndexStart").val();
if (bookIndexStart.length > 0) {
crawlRule.bookIndexStart = bookIndexStart;
}
var indexIdPatten = $("#indexIdPatten").val();
if (indexIdPatten.length == 0) {