java 爬取中国所有的大学

public class indexpage {
    
    public static void main(String[] args) {
    
        try {
    
            String[] array = new String[100];
            String[] place = new String[100];
            int i=0;
            Document doc = (Document) Jsoup.connect("https://www.unjs.com").get();
            Elements links = ((Element) doc).select("a[href]");
            for (Element link : links) {
    
                String linkHref = link.attr("href");
                String linkText = link.text();
              int index = linkHref.indexOf("/daxue/");
              int count = linkHref.indexOf("html");
              int count1= linkText.indexOf(">>>");
              if(index >0 && count<0 && count1<0){
    
                  if("全国大学".equals(linkText)){
    
                      break;
                  }
                  if(i>=2){
    
                      System.out.println(linkText);
                      String[]  split = linkText.split("高");
                      place[i] = split[0];
                      array[i] = linkHref;
                  }
                        i++;
              }

            }
           indexpage.getschool(array,place);
        } catch (IOException e) {
    
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
    public static void getschool(String[] array,String[] array2){
    
        Document doc = null;
        int count1 = 1;
        int count2 = 1;
        try {
    
            for(int j=2;j                if(array[j]==null){
    
                    break;
                }else{
    
                    System.out.println(array2[j]);
                    count2++;
                    doc = (Document) Jsoup.connect(array[j]).get();
                    Elements links = ((Element) doc).select("h4");
                    for (Element link : links) {
    
                        System.out.println(link.text());
                        count1++;

                    }

                }
            }
            System.out.println("一共"+count2+"个省份"+count1+"所大学");
        } catch (IOException e) {
    
            e.printStackTrace();
        }


    }
结果图

 

转载于:https://www.cnblogs.com/xxfxxf/p/9601569.html