以编程方式获取谷歌搜索结果计数的最简单（合法）方式？

2 回答

• 1

  /**** @author RAJESH Kharche */
  //open Netbeans
  //Choose Java->prject
  //name it GoogleSearchAPP
  
  package googlesearchapp;
  
  import java.io.*;
  import java.net.*;
  import java.util.*;
  import java.util.logging.Level;
  import java.util.logging.Logger;
  
  public class GoogleSearchAPP {
      public static void main(String[] args) {
          try {
              // TODO code application logic here
  
              final int Result;
  
              Scanner s1=new Scanner(System.in);
              String Str;
              System.out.println("Enter Query to search: ");//get the query to search
              Str=s1.next();
              Result=getResultsCount(Str);
  
              System.out.println("Results:"+ Result);
          } catch (IOException ex) {
              Logger.getLogger(GoogleSearchAPP.class.getName()).log(Level.SEVERE, null, ex);
          }      
      }
  
      private static int getResultsCount(final String query) throws IOException {
          final URL url;
          url = new URL("https://www.google.com/search?q=" + URLEncoder.encode(query, "UTF-8"));
          final URLConnection connection = url.openConnection();
  
          connection.setConnectTimeout(60000);
          connection.setReadTimeout(60000);
          connection.addRequestProperty("User-Agent", "Google Chrome/36");//put the browser name/version
  
          final Scanner reader = new Scanner(connection.getInputStream(), "UTF-8");  //scanning a buffer from object returned by http request
  
          while(reader.hasNextLine()){   //for each line in buffer
              final String line = reader.nextLine();
  
              if(!line.contains("\"resultStats\">"))//line by line scanning for "resultstats" field because we want to extract number after it
                  continue;
  
              try{        
                  return Integer.parseInt(line.split("\"resultStats\">")[1].split("<")[0].replaceAll("[^\\d]", ""));//finally extract the number convert from string to integer
              }finally{
                  reader.close();
              }
          }
          reader.close();
          return 0;
      }
  }
  

  回复于 2024-05-05T22:19:41+08:00
• 4

  您可以做的就是以编程方式开始实际的Google搜索 . 最简单的方法是访问url https://www.google.com/search?q=QUERY_HERE，然后你想从该页面中删除结果计数 .

  以下是如何执行此操作的快速示例：

  private static int getResultsCount(final String query) throws IOException {
      final URL url = new URL("https://www.google.com/search?q=" + URLEncoder.encode(query, "UTF-8"));
      final URLConnection connection = url.openConnection();
      connection.setConnectTimeout(60000);
      connection.setReadTimeout(60000);
      connection.addRequestProperty("User-Agent", "Mozilla/5.0");
      final Scanner reader = new Scanner(connection.getInputStream(), "UTF-8");
      while(reader.hasNextLine()){
          final String line = reader.nextLine();
          if(!line.contains("<div id=\"resultStats\">"))
              continue;
          try{
              return Integer.parseInt(line.split("<div id=\"resultStats\">")[1].split("<")[0].replaceAll("[^\\d]", ""));
          }finally{
              reader.close();
          }
      }
      reader.close();
      return 0;
  }
  

  如需使用，您可以执行以下操作：

  final int count = getResultsCount("horses");
  System.out.println("Estimated number of results for horses: " + count);
  

  回复于 2024-05-05T22:19:41+08:00