📄 portalservlet.java
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import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
public class PortalServlet extends HttpServlet
{
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,IOException
{
resp.setContentType("text/html;charset=gb2312");
PrintWriter out=resp.getWriter();
out.println("<html><head><title>");
out.println("登录页面");
out.println("</title></head><body>");
String name=req.getParameter("user");
String pwd=req.getParameter("password");
if("zhangsan".equals(name) && "1234".equals(pwd))
{
ServletContext context=getServletContext();
RequestDispatcher rd=context.getRequestDispatcher("/welcome");
rd.forward(req,resp);
}
else
{
RequestDispatcher rd=req.getRequestDispatcher("login2");
rd.include(req,resp);
}
out.println("</body></html>");
out.close();
}
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,IOException
{
doGet(req,resp);
}
}⌨️ 快捷键说明
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