学习笔记 - FileOutputStream流将字符串写入文件中

来源：互联网发布：自媒体怎么赚钱知乎编辑：程序博客网时间：2024/05/20 18:54
public class FileOutputStreamTest {<span style="white-space:pre"></span>public static void main(String[] args) {<span style="white-space:pre"></span>// TODO Auto-generated method stub<span style="white-space:pre"></span>new FileOutputStreamTest().writerByByte("abcd", "d:\\JAVA之路.txt");<span style="white-space:pre"></span>}<span style="white-space:pre"></span><span style="white-space:pre"></span>//将字符串与入输出流中<span style="white-space:pre"></span>public void writerByByte(String source,String filePath){<span style="white-space:pre"></span><span style="white-space:pre"></span>File file = new File(filePath);<span style="white-space:pre"></span>FileOutputStream fos = null;<span style="white-space:pre"></span>byte[] buf = source.getBytes();<span style="white-space:pre"></span>try {<span style="white-space:pre"></span>fos = new FileOutputStream(file,true);//true是默认是添加到文件尾部<span style="white-space:pre"></span><span style="white-space:pre"></span>//一次写入一个字节<span style="white-space:pre"></span>for (int i = 0; i < buf.length; i++) {<span style="white-space:pre"></span>fos.write(buf[i]);<span style="white-space:pre"></span>}<span style="white-space:pre"></span>//一次写入字节数组<span style="white-space:pre"></span>//fos.write(buf);<span style="white-space:pre"></span><span style="white-space:pre"></span><span style="white-space:pre"></span>} catch (FileNotFoundException e) {<span style="white-space:pre"></span>// TODO Auto-generated catch block<span style="white-space:pre"></span>e.printStackTrace();<span style="white-space:pre"></span>} catch (IOException e) {<span style="white-space:pre"></span>// TODO Auto-generated catch block<span style="white-space:pre"></span>e.printStackTrace();<span style="white-space:pre"></span>} finally{<span style="white-space:pre"></span>try {<span style="white-space:pre"></span>fos.close();<span style="white-space:pre"></span>} catch (IOException e) {<span style="white-space:pre"></span>// TODO Auto-generated catch block<span style="white-space:pre"></span>e.printStackTrace();<span style="white-space:pre"></span>}<span style="white-space:pre"></span>}<span style="white-space:pre"></span>}}
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