portalservlet.java

来自「孙鑫的Java Web开发详解一书的源代码」· Java 代码 · 共 40 行

JAVA
40
字号
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);
    }
}

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