?? login.java
字號:
package ch10;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class Login extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//設(shè)置MIME類型
response.setContentType(CONTENT_TYPE);
//獲取用戶輸入的信息
String username = request.getParameter("username");
String userpass = request.getParameter("userpass");
//對用戶名進(jìn)行編碼轉(zhuǎn)換
username = new String(username.getBytes("8859_1"));
//得到輸出流
PrintWriter out = response.getWriter();
//對用戶進(jìn)行響應(yīng)
if(username.equals(userpass)&&username.length()!=0)
{
out.println("<html>");
out.println("<head><title>登陸</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<p>登陸成功</p>");
out.println("</body></html>");
HttpSession session = request.getSession(true);
session.setAttribute("user",username);
}
else
{
response.sendRedirect("login.jsp");
}
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
//Clean up resources
public void destroy() {
}
}
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