DataInputStream的過期方法readLine()

http://blog.sina.com.cn/s/blog_62cd5a980100lp0t.html

在JDK1.1以後DataInputStream的readLine方法就過期了，所以當我們在電泳的時候會有警告：

比如：

URL url=new URL(http://www.xupt.edu.cn);

URLConnection connection=url.openConnection();

DataInputStream din=new DataInputStream(connection.getInputStream());

FileWriter fw=new FileWriter("d:\\test.txt",true);

PrintWriter pw=new PrintWriter(fw);

String inputLine=null;

while((inputLine=din.readLine())!=null){

inputLine=new Stirng(inputLine.getBytes("ISO8859-1"),"GB2312");

System.out.println(inputLine);

pw.println(inputLine);

}

pw.close();

din.close();

就會出現方法過期的警告，那麼我們只用換用BufferedReader就可以了，上述代碼改爲：

URL url=new URL(http://www.xupt.edu.cn);

URLConnection connection=url.openConnection();

//DataInputStream din=new DataInputStream(connection.getInputStream());

BufferedReader din=new BufferedReader(new InputStreamReader(connection.getInputStream()));

FileWriter fw=new FileWriter("d:\\test.txt",true);

PrintWriter pw=new PrintWriter(fw);

String inputLine=null;

while((inputLine=din.readLine())!=null){

inputLine=new Stirng(inputLine.getBytes("ISO8859-1"),"GB2312");

System.out.println(inputLine);

pw.println(inputLine);

}

pw.close();

din.close();