diff --git a/README.md b/README.md index 5d60572..c6c60be 100644 --- a/README.md +++ b/README.md @@ -1,25 +1,41 @@ ![logo](https://raw.github.com/code4craft/webmagic/master/asserts/logo.jpg) -[Readme in Chinese](https://github.com/code4craft/webmagic/tree/master/zh_docs) - -[User Manual (Chinese)](https://github.com/code4craft/webmagic/blob/master/user-manual.md) - [![Build Status](https://travis-ci.org/code4craft/webmagic.png?branch=master)](https://travis-ci.org/code4craft/webmagic) ->A scalable crawler framework. It covers the whole lifecycle of crawler: downloading, url management, content extraction and persistent. It can simplify the development of a specific crawler. -## Features: +[Readme in English](https://github.com/code4craft/webmagic/tree/master/en_docs) -* Simple core with high flexibility. -* Simple API for html extracting. -* Annotation with POJO to customize a crawler, no configuration. -* Multi-thread and Distribution support. -* Easy to be integrated. +[用户手册](https://github.com/code4craft/webmagic/blob/master/user-manual.md) -## Install: - -Add dependencies to your pom.xml: +>webmagic是一个开源的Java垂直爬虫框架，目标是简化爬虫的开发流程，让开发者专注于逻辑功能的开发。webmagic的核心非常简单，但是覆盖爬虫的整个流程，也是很好的学习爬虫开发的材料。作者曾经在前公司进行过一年的垂直爬虫的开发，webmagic就是为了解决爬虫开发的一些重复劳动而产生的框架。 + +>web爬虫是一种技术，webmagic致力于将这种技术的实现成本降低，但是出于对资源提供者的尊重，webmagic不会做反封锁的事情，包括：验证码破解、代理切换、自动登录等。 + +webmagic的主要特色： + +* 完全模块化的设计，强大的可扩展性。 +* 核心简单但是涵盖爬虫的全部流程，灵活而强大，也是学习爬虫入门的好材料。 +* 提供丰富的抽取页面API。 +* 无配置，但是可通过POJO+注解形式实现一个爬虫。 +* 支持多线程。 +* 支持分布式。 +* 支持爬取js动态渲染的页面。 +* 无框架依赖，可以灵活的嵌入到项目中去。 + +webmagic的架构和设计参考了以下两个项目，感谢以下两个项目的作者： + +python爬虫 **scrapy** [https://github.com/scrapy/scrapy](https://github.com/scrapy/scrapy) + +Java爬虫 **Spiderman** [https://gitcafe.com/laiweiwei/Spiderman](https://gitcafe.com/laiweiwei/Spiderman) + +webmagic的github地址：[https://github.com/code4craft/webmagic](https://github.com/code4craft/webmagic)。 + +## 快速开始 + +### 使用maven + +webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用webmagic： us.codecraft @@ -32,13 +48,40 @@ Add dependencies to your pom.xml: 0.4.2 -## Get Started: +#### 项目结构 + +webmagic主要包括两个包： -### First crawler: +* **webmagic-core** + + webmagic核心部分，只包含爬虫基本模块和基本抽取器。webmagic-core的目标是成为网页爬虫的一个教科书般的实现。 + +* **webmagic-extension** + + webmagic的扩展模块，提供一些更方便的编写爬虫的工具。包括注解格式定义爬虫、JSON、分布式等支持。 + +webmagic还包含两个可用的扩展包，因为这两个包都依赖了比较重量级的工具，所以从主要包中抽离出来，这些包需要下载源码后自己编译：： -Write a class implements PageProcessor： +* **webmagic-saxon** + + webmagic与Saxon结合的模块。Saxon是一个XPath、XSLT的解析工具，webmagic依赖Saxon来进行XPath2.0语法解析支持。 + +* **webmagic-selenium** + + webmagic与Selenium结合的模块。Selenium是一个模拟浏览器进行页面渲染的工具，webmagic依赖Selenium进行动态页面的抓取。 + +在项目中，你可以根据需要依赖不同的包。 + +### 不使用maven + +在项目的**lib**目录下，有依赖的所有jar包，直接在IDE里import即可。 + +### 第一个爬虫 + +#### 定制PageProcessor + +PageProcessor是webmagic-core的一部分，定制一个PageProcessor即可实现自己的爬虫逻辑。以下是抓取osc博客的一段代码： -```java public class OschinaBlogPageProcesser implements PageProcessor { private Site site = Site.me().setDomain("my.oschina.net") @@ -64,15 +107,17 @@ Write a class implements PageProcessor： .pipeline(new ConsolePipeline()).run(); } } -``` -* `page.addTargetRequests(links)` - - Add urls for crawling. - -You can also use annotation way: +这里通过page.addTargetRequests()方法来增加要抓取的URL，并通过page.putField()来保存抽取结果。page.getHtml().xpath()则是按照某个规则对结果进行抽取，这里抽取支持链式调用。调用结束后，toString()表示转化为单个String，all()则转化为一个String列表。 + +Spider是爬虫的入口类。Pipeline是结果输出和持久化的接口，这里ConsolePipeline表示结果输出到控制台。 + +执行这个main方法，即可在控制台看到抓取结果。webmagic默认有3秒抓取间隔，请耐心等待。 + +#### 使用注解 + +webmagic-extension包括了注解方式编写爬虫的方法，只需基于一个POJO增加注解即可完成一个爬虫。以下仍然是抓取oschina博客的一段代码，功能与OschinaBlogPageProcesser完全相同： -```java @TargetUrl("http://my.oschina.net/flashsword/blog/\\d+") public class OschinaBlog { @@ -91,38 +136,23 @@ You can also use annotation way: new ConsolePageModelPipeline(), OschinaBlog.class).run(); } } -``` - -### Docs and samples: -The architecture of webmagic (refered to [Scrapy](http://scrapy.org/)) +这个例子定义了一个Model类，Model类的字段'title'、'content'、'tags'均为要抽取的属性。这个类在Pipeline里是可以复用的。 -![image](http://code4craft.github.io/images/posts/webmagic.png) +### 详细文档 -Javadocs: [http://code4craft.github.io/webmagic/docs/en/](http://code4craft.github.io/webmagic/docs/en/) +见[webmagic manual.md](https://github.com/code4craft/webmagic/blob/master/user-manual.md)。 -There are some samples in `webmagic-samples` package. +### 示例 +webmagic-samples目录里有一些定制PageProcessor以抽取不同站点的例子。 -### Lisence: +作者还有一个使用webmagic进行抽取并持久化到数据库的项目[JobHunter](http://git.oschina.net/flashsword20/jobhunter)。这个项目整合了Spring，自定义了Pipeline，使用mybatis进行数据持久化。 -Lisenced under [Apache 2.0 lisence](http://opensource.org/licenses/Apache-2.0) +### 协议 -### Thanks: +webmagic遵循[Apache 2.0协议](http://opensource.org/licenses/Apache-2.0) -To write webmagic, I refered to the projects below : - -* **Scrapy** - - A crawler framework in Python. - - [http://scrapy.org/](http://scrapy.org/) - -* **Spiderman** - - Another crawler framework in Java. - - [https://gitcafe.com/laiweiwei/Spiderman](https://gitcafe.com/laiweiwei/Spiderman) ### Mail-list: diff --git a/lib/commons-codec-1.6.jar b/lib/commons-codec-1.6.jar new file mode 100644 index 0000000..ee1bc49 Binary files /dev/null and b/lib/commons-codec-1.6.jar differ diff --git a/lib/commons-collections-3.2.1.jar b/lib/commons-collections-3.2.1.jar new file mode 100644 index 0000000..c35fa1f Binary files /dev/null and b/lib/commons-collections-3.2.1.jar differ diff --git a/lib/commons-io-1.3.2.jar b/lib/commons-io-1.3.2.jar new file mode 100644 index 0000000..865c9e4 Binary files /dev/null and b/lib/commons-io-1.3.2.jar differ diff --git a/lib/commons-lang-2.6.jar b/lib/commons-lang-2.6.jar new file mode 100644 index 0000000..98467d3 Binary files /dev/null and b/lib/commons-lang-2.6.jar differ diff --git a/lib/commons-lang3-3.1.jar b/lib/commons-lang3-3.1.jar new file mode 100644 index 0000000..a85e539 Binary files /dev/null and b/lib/commons-lang3-3.1.jar differ diff --git a/lib/commons-logging-1.1.3.jar b/lib/commons-logging-1.1.3.jar new file mode 100644 index 0000000..ab51254 Binary files /dev/null and b/lib/commons-logging-1.1.3.jar differ diff --git a/lib/commons-pool-1.5.5.jar b/lib/commons-pool-1.5.5.jar new file mode 100644 index 0000000..7a96587 Binary files /dev/null and b/lib/commons-pool-1.5.5.jar differ diff --git a/lib/fastjson-1.1.35.jar b/lib/fastjson-1.1.35.jar new file mode 100644 index 0000000..e2876e2 Binary files /dev/null and b/lib/fastjson-1.1.35.jar differ diff --git a/lib/guava-15.0.jar b/lib/guava-15.0.jar new file mode 100644 index 0000000..eb9ef8a Binary files /dev/null and b/lib/guava-15.0.jar differ diff --git a/lib/htmlcleaner-2.5.jar b/lib/htmlcleaner-2.5.jar new file mode 100644 index 0000000..4b65546 Binary files /dev/null and b/lib/htmlcleaner-2.5.jar differ diff --git a/lib/httpclient-4.3.1.jar b/lib/httpclient-4.3.1.jar new file mode 100644 index 0000000..cdd1e38 Binary files /dev/null and b/lib/httpclient-4.3.1.jar differ diff --git a/lib/httpcore-4.3.jar b/lib/httpcore-4.3.jar new file mode 100644 index 0000000..ddfe6da Binary files /dev/null and b/lib/httpcore-4.3.jar differ diff --git a/lib/jdom2-2.0.4.jar b/lib/jdom2-2.0.4.jar new file mode 100644 index 0000000..19cafb8 Binary files /dev/null and b/lib/jdom2-2.0.4.jar differ diff --git a/lib/jedis-2.0.0.jar b/lib/jedis-2.0.0.jar new file mode 100644 index 0000000..aaf61e7 Binary files /dev/null and b/lib/jedis-2.0.0.jar differ diff --git a/lib/json-path-0.8.1.jar b/lib/json-path-0.8.1.jar new file mode 100644 index 0000000..e43dbd2 Binary files /dev/null and b/lib/json-path-0.8.1.jar differ diff --git a/lib/json-smart-1.1.1.jar b/lib/json-smart-1.1.1.jar new file mode 100644 index 0000000..0c640aa Binary files /dev/null and b/lib/json-smart-1.1.1.jar differ diff --git a/lib/jsoup-1.7.2.jar b/lib/jsoup-1.7.2.jar new file mode 100644 index 0000000..1d9879f Binary files /dev/null and b/lib/jsoup-1.7.2.jar differ diff --git a/lib/junit-4.7.jar b/lib/junit-4.7.jar new file mode 100644 index 0000000..700ad69 Binary files /dev/null and b/lib/junit-4.7.jar differ diff --git a/lib/log4j-1.2.17.jar b/lib/log4j-1.2.17.jar new file mode 100644 index 0000000..1d425cf Binary files /dev/null and b/lib/log4j-1.2.17.jar differ diff --git a/lib/webmagic-core-0.4.2.jar b/lib/webmagic-core-0.4.2.jar new file mode 100644 index 0000000..0f07572 Binary files /dev/null and b/lib/webmagic-core-0.4.2.jar differ diff --git a/lib/webmagic-extension-0.4.2.jar b/lib/webmagic-extension-0.4.2.jar new file mode 100644 index 0000000..a19fa63 Binary files /dev/null and b/lib/webmagic-extension-0.4.2.jar differ diff --git a/lib/xsoup-0.1.0.jar b/lib/xsoup-0.1.0.jar new file mode 100644 index 0000000..926665c Binary files /dev/null and b/lib/xsoup-0.1.0.jar differ diff --git a/make.sh b/make.sh new file mode 100644 index 0000000..0a72237 --- /dev/null +++ b/make.sh @@ -0,0 +1,3 @@ +#!/bin/sh +mvn clean package +rsync -avz --delete ./webmagic-samples/target/lib/ ./lib/ diff --git a/pom.xml b/pom.xml index 3fcbd44..2e5f9d9 100644 --- a/pom.xml +++ b/pom.xml @@ -6,7 +6,7 @@ 7 us.codecraft - 0.4.3-SNAPSHOT + 0.4.2 4.0.0 pom diff --git a/webmagic-core/module_webmagic-core.xml b/webmagic-core/module_webmagic-core.xml new file mode 100644 index 0000000..88c4cfa --- /dev/null +++ b/webmagic-core/module_webmagic-core.xml @@ -0,0 +1,156 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml index 914bfda..8f4630f 100644 --- a/webmagic-core/pom.xml +++ b/webmagic-core/pom.xml @@ -3,7 +3,7 @@ us.codecraft webmagic-parent - 0.4.3-SNAPSHOT + 0.4.2 4.0.0 @@ -63,4 +63,4 @@ - \ No newline at end of file + diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/RegexSelector.java b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/RegexSelector.java index 6b1db96..b30bc18 100644 --- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/RegexSelector.java +++ b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/RegexSelector.java @@ -1,93 +1,102 @@ -package us.codecraft.webmagic.selector; - -import org.apache.commons.lang3.StringUtils; - -import java.util.ArrayList; -import java.util.List; -import java.util.regex.Matcher; -import java.util.regex.Pattern; -import java.util.regex.PatternSyntaxException; - -/** - * Selector in regex.
- * - * @author code4crafter@gmail.com
- * @since 0.1.0 - */ -public class RegexSelector implements Selector { - - private String regexStr; - - private Pattern regex; - - private int group = 1; - - public RegexSelector(String regexStr, int group) { - if (StringUtils.isBlank(regexStr)) { - throw new IllegalArgumentException("regex must not be empty"); - } - if (!StringUtils.contains(regexStr, "(") && !StringUtils.contains(regexStr, ")")) { - regexStr = "(" + regexStr + ")"; - } - if (!StringUtils.contains(regexStr, "(") || !StringUtils.contains(regexStr, ")")) { - throw new IllegalArgumentException("regex must have capture group 1"); - } - this.regexStr = regexStr; - try { - regex = Pattern.compile(regexStr, Pattern.DOTALL | Pattern.CASE_INSENSITIVE); - } catch (PatternSyntaxException e) { - throw new IllegalArgumentException("invalid regex", e); - } - this.group = group; - } - - public RegexSelector(String regexStr) { - this(regexStr, 1); - } - - @Override - public String select(String text) { - return selectGroup(text).get(group); - } - - @Override - public List selectList(String text) { - List strings = new ArrayList(); - List results = selectGroupList(text); - for (RegexResult result : results) { - strings.add(result.get(group)); - } - return strings; - } - - public RegexResult selectGroup(String text) { - Matcher matcher = regex.matcher(text); - if (matcher.find()) { - String[] groups = new String[matcher.groupCount() + 1]; - for (int i = 0; i < groups.length; i++) { - groups[i] = matcher.group(i); - } - return new RegexResult(groups); - } - return RegexResult.EMPTY_RESULT; - } - - public List selectGroupList(String text) { - Matcher matcher = regex.matcher(text); - List resultList = new ArrayList(); - while (matcher.find()) { - String[] groups = new String[matcher.groupCount() + 1]; - for (int i = 0; i < groups.length; i++) { - groups[i] = matcher.group(i); - } - resultList.add(new RegexResult(groups)); - } - return resultList; - } - - @Override - public String toString() { - return regexStr; - } - -} +package us.codecraft.webmagic.selector; + +import org.apache.commons.lang3.StringUtils; + +import java.util.ArrayList; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.regex.PatternSyntaxException; + +/** + * Selector in regex.
+ * + * @author code4crafter@gmail.com
+ * @since 0.1.0 + */ +public class RegexSelector implements Selector { + + private String regexStr; + + private Pattern regex; + + private int group = 1; + + public RegexSelector(String regexStr, int group) { + if (StringUtils.isBlank(regexStr)) { + throw new IllegalArgumentException("regex must not be empty"); + } + /* Can't detect '\(', '(?:)' so that would result in ArrayIndexOutOfBoundsException + if (!StringUtils.contains(regexStr, "(") && !StringUtils.contains(regexStr, ")")) { + regexStr = "(" + regexStr + ")"; + } + if (!StringUtils.contains(regexStr, "(") || !StringUtils.contains(regexStr, ")")) { + throw new IllegalArgumentException("regex must have capture group 1"); + } + */ + + // Try to fix: Only check if there exists the valid left parenthesis, leave regexp validation for Pattern + if (StringUtils.countMatches(regexStr, "(") - StringUtils.countMatches(regexStr, "\\\\\\(") == + StringUtils.countMatches(regexStr, "(?:") - StringUtils.countMatches(regexStr, "\\\\\\(?:")) { + regexStr = "(" + regexStr + ")"; + } + + this.regexStr = regexStr; + try { + regex = Pattern.compile(regexStr, Pattern.DOTALL | Pattern.CASE_INSENSITIVE); + } catch (PatternSyntaxException e) { + throw new IllegalArgumentException("invalid regex", e); + } + this.group = group; + } + + public RegexSelector(String regexStr) { + this(regexStr, 1); + } + + @Override + public String select(String text) { + return selectGroup(text).get(group); + } + + @Override + public List selectList(String text) { + List strings = new ArrayList(); + List results = selectGroupList(text); + for (RegexResult result : results) { + strings.add(result.get(group)); + } + return strings; + } + + public RegexResult selectGroup(String text) { + Matcher matcher = regex.matcher(text); + if (matcher.find()) { + String[] groups = new String[matcher.groupCount() + 1]; + for (int i = 0; i < groups.length; i++) { + groups[i] = matcher.group(i); + } + return new RegexResult(groups); + } + return RegexResult.EMPTY_RESULT; + } + + public List selectGroupList(String text) { + Matcher matcher = regex.matcher(text); + List resultList = new ArrayList(); + while (matcher.find()) { + String[] groups = new String[matcher.groupCount() + 1]; + for (int i = 0; i < groups.length; i++) { + groups[i] = matcher.group(i); + } + resultList.add(new RegexResult(groups)); + } + return resultList; + } + + @Override + public String toString() { + return regexStr; + } + +} \ No newline at end of file diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml index c11f0f1..6a56daf 100644 --- a/webmagic-extension/pom.xml +++ b/webmagic-extension/pom.xml @@ -3,7 +3,7 @@ us.codecraft webmagic-parent - 0.4.3-SNAPSHOT + 0.4.2 4.0.0 @@ -35,4 +35,4 @@ - \ No newline at end of file + diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java new file mode 100644 index 0000000..7239e36 --- /dev/null +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java @@ -0,0 +1,37 @@ +package us.codecraft.webmagic.model.samples; + +import us.codecraft.webmagic.Page; +import us.codecraft.webmagic.Site; +import us.codecraft.webmagic.model.AfterExtractor; +import us.codecraft.webmagic.model.OOSpider; +import us.codecraft.webmagic.model.annotation.ExtractBy; +import us.codecraft.webmagic.model.annotation.TargetUrl; + +import java.util.List; + +/** + * @author yihua.huang@dianping.com
+ * Date: 13-8-13
+ * Time: 上午10:13
+ */ +@TargetUrl("http://*.alpha.dp/*") +public class DianpingFtlDataScanner implements AfterExtractor { + + @ExtractBy(value = "(DP\\.data\\(\\{.*\\}\\));", type = ExtractBy.Type.Regex, notNull = true, multi = true) + private List data; + + public static void main(String[] args) { + OOSpider.create(Site.me().addStartUrl("http://w.alpha.dp/").setSleepTime(0), DianpingFtlDataScanner.class) + .thread(5).run(); + } + + @Override + public void afterProcess(Page page) { + if (data.size() > 1) { + System.err.println(page.getUrl()); + } + if (data.size() > 0 && data.get(0).length() > 100) { + System.err.println(page.getUrl()); + } + } +} diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java new file mode 100644 index 0000000..3ceba0a --- /dev/null +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java @@ -0,0 +1,46 @@ +package us.codecraft.webmagic.samples; + +import us.codecraft.webmagic.Page; +import us.codecraft.webmagic.Site; +import us.codecraft.webmagic.Spider; +import us.codecraft.webmagic.processor.PageProcessor; +import us.codecraft.webmagic.selector.PlainText; + +import java.util.List; + +/** + * @author code4crafter@gmail.com
+ * Date: 13-4-21 + * Time: 下午8:08 + */ +public class DiaoyuwengProcessor implements PageProcessor { + + private Site site; + + @Override + public void process(Page page) { + List requests = page.getHtml().links().regex("(http://www\\.diaoyuweng\\.com/home\\.php\\?mod=space&uid=88304&do=thread&view=me&type=thread&order=dateline&from=space&page=\\d+)").all(); + page.addTargetRequests(requests); + requests = page.getHtml().links().regex("(http://www\\.diaoyuweng\\.com/thread-\\d+-1-1.html)").all(); + page.addTargetRequests(requests); + if (page.getUrl().toString().contains("thread")){ + page.putField("title", page.getHtml().xpath("//a[@id='thread_subject']")); + page.putField("content", page.getHtml().xpath("//div[@class='pcb']//tbody/tidyText()")); + page.putField("date",page.getHtml().regex("发表于 (\\d{4}-\\d+-\\d+ \\d+:\\d+:\\d+)")); + page.putField("id",new PlainText("1000"+page.getUrl().regex("http://www\\.diaoyuweng\\.com/thread-(\\d+)-1-1.html").toString())); + } + } + + @Override + public Site getSite() { + if (site==null){ + site= Site.me().setDomain("www.diaoyuweng.com").addStartUrl("http://www.diaoyuweng.com/home.php?mod=space&uid=88304&do=thread&view=me&type=thread&from=space"). + setUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31").setCharset("GBK").setSleepTime(500); + } + return site; + } + + public static void main(String[] args) { + Spider.create(new DiaoyuwengProcessor()).run(); + } +} diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java new file mode 100644 index 0000000..3d27be8 --- /dev/null +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java @@ -0,0 +1,34 @@ +package us.codecraft.webmagic.samples; + +import us.codecraft.webmagic.Site; +import us.codecraft.webmagic.Page; +import us.codecraft.webmagic.Spider; +import us.codecraft.webmagic.processor.PageProcessor; +import us.codecraft.webmagic.scheduler.RedisScheduler; + +import java.util.List; + +/** + * @author code4crafter@gmail.com
+ * Date: 13-4-21 + * Time: 下午1:48 + */ +public class F58PageProcesser implements PageProcessor { + + @Override + public void process(Page page) { + List strings = page.getHtml().links().regex(".*/yewu/.*").all(); + page.addTargetRequests(strings); + page.putField("title",page.getHtml().regex("(.*)")); + page.putField("body",page.getHtml().xpath("//dd")); + } + + @Override + public Site getSite() { + return Site.me().setDomain("sh.58.com").addStartUrl("http://sh1.51a8.com/").setCycleRetryTimes(2); //To change body of implemented methods use File | Settings | File Templates. + } + + public static void main(String[] args) { + Spider.create(new F58PageProcesser()).setScheduler(new RedisScheduler("localhost")).run(); + } +} diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java index 7cb7be2..000cb99 100644 --- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java @@ -27,4 +27,5 @@ public class HuxiuProcessor implements PageProcessor { public static void main(String[] args) { Spider.create(new HuxiuProcessor()).run(); } + } diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java new file mode 100644 index 0000000..0ab6c64 --- /dev/null +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java @@ -0,0 +1,32 @@ +package us.codecraft.webmagic.samples; + +import us.codecraft.webmagic.Page; +import us.codecraft.webmagic.Site; +import us.codecraft.webmagic.Spider; +import us.codecraft.webmagic.processor.PageProcessor; + +/** + * @author code4crafter@gmail.com
+ * Date: 13-5-20 + * Time: 下午5:31 + */ +public class KaichibaProcessor implements PageProcessor { + @Override + public void process(Page page) { + //http://progressdaily.diandian.com/post/2013-01-24/40046867275 + int i = Integer.valueOf(page.getUrl().regex("shop/(\\d+)").toString()) + 1; + page.addTargetRequest("http://kaichiba.com/shop/" + i); + page.putField("title",page.getHtml().xpath("//Title")); + page.putField("items", page.getHtml().xpath("//li[@class=\"foodTitle\"]").replace("^\\s+", "").replace("\\s+$", "").replace(".*?", "")); + } + + @Override + public Site getSite() { + return Site.me().setDomain("kaichiba.com").addStartUrl("http://kaichiba.com/shop/41725781").setCharset("utf-8"). + setUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"); + } + + public static void main(String[] args) { + Spider.create(new KaichibaProcessor()).run(); + } +} diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java new file mode 100644 index 0000000..bfa347d --- /dev/null +++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java @@ -0,0 +1,38 @@ +package us.codecraft.webmagic.samples; + +import us.codecraft.webmagic.Page; +import us.codecraft.webmagic.Site; +import us.codecraft.webmagic.Spider; +import us.codecraft.webmagic.processor.PageProcessor; + +import java.util.List; + +/** + * @author code4crafter@gmail.com
+ * Date: 13-5-20 + * Time: 下午5:31 + */ +public class MeicanProcessor implements PageProcessor { + @Override + public void process(Page page) { + //http://progressdaily.diandian.com/post/2013-01-24/40046867275 + List requests = page.getHtml().xpath("//a[@class=\"area_link flat_btn\"]/@href").all(); + if (requests.size() > 2) { + requests = requests.subList(0, 2); + } + page.addTargetRequests(requests); + page.addTargetRequests(page.getHtml().links().regex("(.*/restaurant/[^#]+)").all()); + page.putField("items", page.getHtml().xpath("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"name\"]/text()")); + page.putField("prices", page.getHtml().xpath("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"price_outer\"]/span[@class=\"price\"]/text()")); + } + + @Override + public Site getSite() { + return Site.me().setDomain("meican.com").addStartUrl("http://www.meican.com/shanghai/districts").setCharset("utf-8"). + setUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.65 Safari/537.31"); + } + + public static void main(String[] args) { + Spider.create(new MeicanProcessor()).run(); + } +} diff --git a/webmagic-scripts/pom.xml b/webmagic-scripts/pom.xml index 1c65513..97260a5 100644 --- a/webmagic-scripts/pom.xml +++ b/webmagic-scripts/pom.xml @@ -3,7 +3,7 @@ webmagic-parent us.codecraft - 0.4.3-SNAPSHOT + 0.4.2 4.0.0 @@ -91,4 +91,4 @@ - \ No newline at end of file +