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  • 将字符串写进txt中方式

    try {  
               File file = new File(filePath);  
                PrintStream ps = new PrintStream(new FileOutputStream(file));  
                ps.println("http://www.docin.com/p-315288370.html");// 往文件里写入字符串  
                ps.append("http://www.docin.com/p-315288370.html");// 在已有的基础上添加字符串  
             } catch (FileNotFoundException e) {  
                 // TODO Auto-generated catch block  
                 e.printStackTrace();  
     }  
    
    
     try {  
                FileWriter fw = new FileWriter(filePath, true);  
                BufferedWriter bw = new BufferedWriter(fw);  
                bw.append("在已有的基础上添加字符串");  
                bw.write("abc
     ");// 往已有的文件上添加字符串  
                 bw.write("def
     ");  
                 bw.write("hijk ");  
               bw.close();  
               fw.close();  
            } catch (Exception e) {  
               // TODO Auto-generated catch block  
               e.printStackTrace();  
      }  
    
    
    try {  
                 PrintWriter pw = new PrintWriter(new FileWriter(filePath));  
                pw.println("abc ");  
                 pw.println("def ");  
                pw.println("hef ");  
                pw.close();  
           } catch (IOException e) {  
                // TODO Auto-generated catch block  
               e.printStackTrace();  
            } 
    
    
    
      try {  
                 RandomAccessFile rf = new RandomAccessFile(filePath, "rw");  
                 rf.writeBytes("op
    ");  
                rf.writeBytes("app
    ");  
                rf.writeBytes("hijklllll");  
                 rf.close();  
             } catch (IOException e) {  
                e.printStackTrace();  
            }  
     
    
     try {  
                 FileOutputStream fos = new FileOutputStream(filePath);  
                 String s = "http://www.docin.com/p-315288370.html";  
                 fos.write(s.getBytes());  
                fos.close();  
             } catch (Exception e) {  
                 // TODO Auto-generated catch block  
                 e.printStackTrace();  
            }  
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  • 原文地址:https://www.cnblogs.com/mcahkf/p/5121930.html
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