DataInputStream的过期方法readLine()

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

在JDK1.1以后DataInputStream的readLine方法就过期了，所以当我们在电泳的时候会有警告：

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();

就会出现方法过期的警告，那么我们只用换用BufferedReader就可以了，上述代码改为：

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();