BlogJava-Thinking in java <p><font color=blue>学海无涯乐作舟</font></p>-文章分类-Javahttp://www.blogjava.net/wuynng/category/14679.htmlzh-cnFri, 28 Sep 2007 17:08:10 GMTFri, 28 Sep 2007 17:08:10 GMT60小写金额转换为中文大写金额http://www.blogjava.net/wuynng/articles/115634.htmlwuyanhongwuyanhongSun, 06 May 2007 15:33:00 GMThttp://www.blogjava.net/wuynng/articles/115634.htmlhttp://www.blogjava.net/wuynng/comments/115634.htmlhttp://www.blogjava.net/wuynng/articles/115634.html#Feedback0http://www.blogjava.net/wuynng/comments/commentRss/115634.htmlhttp://www.blogjava.net/wuynng/services/trackbacks/115634.html阅读全文

wuyanhong 2007-05-06 23:33 发表评论
]]>Java中文&编码问题小结http://www.blogjava.net/wuynng/articles/70459.htmlwuyanhongwuyanhongTue, 19 Sep 2006 03:12:00 GMThttp://www.blogjava.net/wuynng/articles/70459.htmlhttp://www.blogjava.net/wuynng/comments/70459.htmlhttp://www.blogjava.net/wuynng/articles/70459.html#Feedback0http://www.blogjava.net/wuynng/comments/commentRss/70459.htmlhttp://www.blogjava.net/wuynng/services/trackbacks/70459.html阅读全文

wuyanhong 2006-09-19 11:12 发表评论
]]>输出字符串到一个文件而不覆盖原文件的内容（追加）http://www.blogjava.net/wuynng/articles/66728.htmlwuyanhongwuyanhongWed, 30 Aug 2006 14:35:00 GMThttp://www.blogjava.net/wuynng/articles/66728.htmlhttp://www.blogjava.net/wuynng/comments/66728.htmlhttp://www.blogjava.net/wuynng/articles/66728.html#Feedback0http://www.blogjava.net/wuynng/comments/commentRss/66728.htmlhttp://www.blogjava.net/wuynng/services/trackbacks/66728.html 

 1//Demo：输出字符串到一个文件而不覆盖原文件的内容（追加）
 2import java.io.*;
 3class WriteToFile 
 4{
 5 public static void main(String[] args) 
 6 {
 7  File f=new File("out.txt");
 8  BufferedWriter out=null;
 9  try
10  {
11   if (!f.exists())
12   {
13    f.createNewFile();//如果out.txt不存在，则创建一个新文件
14   }
15   out = new BufferedWriter(new FileWriter(f,true));//参数true表示将输出追加到文件内容的末尾而不覆盖原来的内容
16   out.write("这是第一行");
17   out.newLine(); //换行
18   out.write("这是第二行");
19   out.newLine();
20  }
21  catch (IOException e)
22  {
23   e.printStackTrace();
24  }
25  finally {
26   try
27   {
28    if (out!=null)
29    {
30     out.close();
31    }
32   }
33   catch (IOException e)
34   {
35    e.printStackTrace();
36   }
37  }
38 }
39}
40

 



wuyanhong 2006-08-30 22:35 发表评论
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