showinfo.java

学生信息管理系统

package myservlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author diaoyifei
 * 
 * 显示HTTP参数信息
 */
public class ShowInfo extends HttpServlet
{
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        // 接收参数
        String userName = request.getParameter("userName");

        // 参数信息数组
        String[][] array = { { "CONTENT_TYPE", request.getContentType() },
                { "DOCUMENT_ROOT", getServletContext().getRealPath("/") },
                { "REMOTE_ADDR", request.getRemoteAddr() },
                { "REMOTE_PORT", "" + request.getRemotePort() },
                { "SERVER_PORT", "" + request.getServerPort() },
                { "SERVLET_PATH", request.getServletPath() } };

        // 将参数信息数组放入request
        request.setAttribute("infoArray", array);
        // 将userName放入request
        request.setAttribute("userName", userName);

        // 导向info.jsp页面
        getServletConfig().getServletContext().getRequestDispatcher(
                "/4/show.jsp").forward(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        doGet(request, response);
    }
}