使用getResource写入文件 [英] Write To file with getResource

问题描述

我使用此方法写入文本文件(使用getResource()...以在JAR文件中使用). 我的文件在Classpath中， 这是我的代码:

I use This methods to Write to a text file(use getResource()... to use in JAR file). My files are in Classpath, Here is my code:

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class JarWrite {

    public JarWrite(){
        writethis();
    }

    public void writethis(){

        try{
       InputStreamReader isReader=  new InputStreamReader(this.getClass().getResourceAsStream("AllBookRecords.txt"));
      BufferedReader br = new BufferedReader(isReader);

      PrintWriter writer1=new PrintWriter(new File(this.getClass().getResource("Boutput.txt").getPath()));

      String Bs;
            while( (Bs=br.readLine()) != null ){                 
                    writer1.println(Bs);               
            }

            writer1.close();
            br.close();

        } catch(FileNotFoundException fnfe){

        } catch(IOException ioe){
            ioe.printStackTrace();
        }
    }

    public static void main(String[] args){
        new JarWrite();
    }    
    }

推荐答案

您不能从CLASSPATH修改资源.它们是只读的.期间.

You can't modify resources from CLASSPATH. They are read only. Period.

另请参见: 与getClass().getClassLoader().getResourceAsStream()等效的Java OutputStream .

See also: Java OutputStream equivalent to getClass().getClassLoader().getResourceAsStream().

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