JAVA获取贴吧帖号

你的名字 2022-07-11 14:09 186阅读 0赞

package tieba;
    
    /**
     * @author Cytosine
     * @thanks Wizard
     */
    
    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.net.URL;
    import java.net.URLConnection;
    import java.util.Scanner;
    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
    
    public class PostIdentifier {
    	public static void main(String[] args) {
    		System.out.println("请输入贴吧名（不含“吧”字哦>,<）");
    		Scanner InputName=new Scanner(System.in);
    		String TiebaName=InputName.nextLine();
    		System.out.println("请输入页数（不验证最大页数，请自行验证哦>,<）");
    		Scanner InputListPage=new Scanner(System.in);
    		String ListPage=InputListPage.nextLine();
    		InputName.close();
    		InputListPage.close();
    		int PageNumber=Integer.parseInt(ListPage);
    		int pnNumber=(PageNumber-1)*50;
    		String pn=Integer.toString(pnNumber);
    		//生成URL String
    		StringBuilder url=new StringBuilder("http://tieba.baidu.com/f?kw=");
    		url.append(TiebaName+"&pn="+pn);
    		StringBuffer html=httpRequest(url.toString());
    		//处理HTML 正则提取帖号
    		String reg="/p/\\d+";
    		Pattern p=Pattern.compile(reg);
    		Matcher m=p.matcher(html);
    		while(m.find()){
    			String text=m.group(0).trim();
    			if(!"".equals(text)){
    				String[] PostIdentifier=text.split("p/");
    				System.out.println(PostIdentifier[1]);
    			}
    		}
    	}
    	public static StringBuffer httpRequest(String url){
    		StringBuffer result=new StringBuffer();
    		BufferedReader bufferedReader=null;
    		try{
    			URL TiebaURL=new URL(url);
    			URLConnection connection=TiebaURL.openConnection();
    			connection.connect();
    			bufferedReader=new BufferedReader(new InputStreamReader(connection.getInputStream()));
    		}catch(Exception e){
    			e.printStackTrace();
    		}
    		try{
    			String line;
    			while((line=bufferedReader.readLine())!=null){
    				result.append(line);
    			}
    			bufferedReader.close();
    		}catch(Exception e){
    			e.printStackTrace();
    		}
    		return result;
    	}
    }