1 import java.io.*; 2 3 public class main { 4 private static String fileName = null; 5 public static void main(String[] args){ 6 fileName = "tmp -" + System.currentTimeMillis() + ".txt"; 7 while(true){ 8 writeString("xiao", fileName); 9 writeString("xian", fileName); 10 writeString("nui", fileName); 11 12 try { 13 Thread.sleep(1000); 14 } catch (InterruptedException e) { 15 e.printStackTrace(); 16 } 17 } 18 19 } 20 21 22 private static void writeString(String message, String fileName){ 23 FileOutputStream fileOutputStream = null; 24 try { 25 File tmpFile = new File(fileName); 26 if (!tmpFile.exists()){ 27 boolean create = tmpFile.createNewFile(); 28 } 29 fileOutputStream = new FileOutputStream(tmpFile, true); 30 fileOutputStream.write(message.getBytes()); 31 fileOutputStream.write("\n".getBytes()); 32 33 System.out.println("write - " + message); 34 35 } catch (IOException e) { 36 e.printStackTrace(); 37 }finally { 38 if (fileOutputStream != null) { 39 try { 40 fileOutputStream.close(); 41 } catch (IOException e) { 42 e.printStackTrace(); 43 } 44 } 45 }} 46 47 }
测试结果：
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