java.se.io.2輸出流
阿新 • • 發佈:2019-02-03
package com.knock.io; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import org.junit.Test; /** * @date 160802am * 測試怎麼把東西寫到檔案 * */ public class KbOutput { @Test public void test(){ OutputStream os =null; try { os = new FileOutputStream("E:/test/a.txt",true);//os = new FileOutputStream("E:/test/a.txt"); String str = "i m shadow u r light\n"; byte[] arr = str.getBytes(); os.write(arr); os.flush(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }finally{ try { if(null!=os){ os.close(); } } catch (IOException e) { e.printStackTrace(); } } } }