public class Login extends HttpServlet { PRivate static final String CONTENT_TYPE = "text/Html; charset=UTF-8"; ..... //Initialize global variables public void init() throws ServletException { }
//Process the HTTP Get request public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String name = request.getParameter("userid");//隱含的轉換
name = new String(name.getBytes("iso-8859-1"), "GB2312");//還原字節，重新構造
response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head><title>Login</title></head>"); out.println("<body bgcolor=/"#ffffff/">"); out.println("<p>The servlet has received a GET. This is the reply.</p>"); out.println("</body>"); out.println("</html>"); out.close(); } }
public String uncompress(byte[] cmp) { String ret = ""; int i; byte[] buf = new byte[512]; try { /** *新的方式，始終保持以字節為核心，最后再按照合適的編碼進行組裝 */ BufferedInputStream bis = new BufferedInputStream(new GZIPInputStream(new ByteArrayInputStream(cmp)));
/** * 以前的方式 * 在 new InputStreamReader()的時候發生了隱含的byte到char的轉換，導致之后出來的都是亂碼 */ // BufferedReader bis = new BufferedReader(new InputStreamReader(new // GZIPInputStream(new // ByteArrayInputStream(cmp))));
ByteArrayOutputStream baos = new ByteArrayOutputStream(); BufferedOutputStream bos = new BufferedOutputStream(baos);
while ( (i = bis.read(buf)) > 0) { bos.write(buf, 0, i); } bos.close(); baos.close(); bis.close(); ret = new String(baos.toByteArray());//用平臺默認的編碼進行組裝，我是GB2312 } catch (IOException ex) { ex.printStackTrace(); }
