jsoup 爬虫

MVN： 

  <dependency>
            <!-- jsoup HTML parser library @ http://jsoup.org/ -->
            <groupId>org.jsoup</groupId>
            <artifactId>jsoup</artifactId>
            <version>1.9.2</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20160810</version>
        </dependency>

程序：

{
            Map<String, String> map = new HashMap<>();

            System.out.println("urlLink:" + urlLink);
            Document document = Jsoup.connect(urlLink).timeout(10000).get();

//            System.out.println(" 获取资源结束，开始解析。 document： "+document);
            if (document != null) {
                System.out.println("解析开始");
                Elements elements = document.select(".ad-title");
                for (Element e1 : elements) {
                    String link = e1.attr("href").trim();
                    links.add(link);
                }

                Elements es2 = document.select(".salary");
                for (Element e3 : es2) {
                    String sa1 = e3.text().trim();
                    if (sa1.length() < 5) {
                        sa1 = "3000-4000";
                    }
                    String sa2 = sa1.substring(0, 4);
                    salarys.add(sa2);

                }

                Elements es3 = document.select(".table-view-cap");
                for (Element e4 : es3) {
                    String a1 = e4.text().trim();
                    String[] a2 = a1.split("/");
                    String c1 = a2[0].trim();
                    String a3 = a2[1].trim();

                    areaName.add(a3);
                    contacts.add(c1);
                }

                for (int i = 0; i < links.size(); i++) {

                    getFullDetails(links.get(i), salarys.get(i), areaName.get(i), contacts.get(i));

                }


            } else {
                System.out.println("document is null");
            }


        }