使用jsoup将控制台输出写入文本文件

Question

I wanted to write the console output to a text file but somehow it only writes one line to my text file. I am new to Java. I don't understand the p in the code, so please help me.

Here is my code :

package htmlparser;
import java.io.IOException;
import java.util.logging.*;    
import org.jsoup.*;
import org.jsoup.nodes.*;
import org.jsoup.select.*;    
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.File;
import java.io.*;

public class Htmlparser {

  public static void main(String[] args)  {
    try {
      String url = "http://cell-phone-providers-review.toptenreviews.com/cingular-review.html";
      Document doc = Jsoup.connect(url).get();
      Elements paragraphs = doc.select("p");
      for(Element p : paragraphs)
        System.out.println(p.text());

      PrintWriter out = new PrintWriter(new FileWriter("C:/Users/Desktop/outputtext.txt")); 
      out.print(System.in); 
      out.close();          
    } 
    catch (IOException ex) {
      Logger.getLogger(Htmlparser.class.getName())
            .log(Level.SEVERE, null, ex);
    }
  }
}

Answer 1

You are opening your file inside the for loop so only the most recent line gets written as the file is overridden each time. Open your file outside the for loop and close it after the loop.

public static void main(String[] args) {
    try {
        String url = "http://cell-phone-providers-review.toptenreviews.com/cingular-review.html";
        Document doc = Jsoup.connect(url).get();
        Elements paragraphs = doc.select("p");
        PrintWriter out = new PrintWriter(new FileWriter("C:/Users/Desktop/outputtext.txt")); 
        for(Element p : paragraphs) {
            out.print(p.text());
        }
        out.close();          
    } catch (IOException ex) {
        Logger.getLogger(Htmlparser.class.getName()).log(Level.SEVERE, null, ex);
    }
}

Answer 2

You don't have any braces surrounding your loop so this statement is the only one invoked inside the loop

System.out.println(p.text());

Create the PrintWriter before entering the loop and use out.print(System.in) to write the console output to file.