标签：http request getRequestDispatcher HttpServlet println import servlet response ou
package com.test;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.log4j.Logger;
public class servJump extends HttpServlet {
private static Logger log = Logger.getLogger(servJump.class);
private static int i=0;
/**
* Constructor of the object.
*/
public servJump() {
super();
} /**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
} /**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
} /**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(final HttpServletRequest request, final HttpServletResponse response)
throws ServletException, IOException {
/*
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the POST method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
*/
new Thread(new Runnable(){ @Override
public void run() {
// TODO Auto-generated method stub
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Map<String, String> params = new HashMap<String, String>();
params.put("name", "name");
params.put("password", "password");
String loginUrl="http://localhost:8080/servletJump/servlet/servJump";
String xml = HttpXmlClient.post(loginUrl, params);
log.info(xml);
}
}).start();
if(request.getParameter("name") != null){
i=1;
}
if(i==1)//
{
//request.getRequestDispatcher("/Result.jsp").forward(request, response);
response.sendRedirect("http://localhost:8080/servletJump/Result.jsp");
}
else
{
//request.getRequestDispatcher("/calcIng.jsp").forward(request, response);
response.sendRedirect("http://localhost:8080/servletJump/calcIng.jsp");
} }
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}}
标签：http,
request,
getRequestDispatcher,
HttpServlet,
println,
import,
servlet,
response,
ou
From： https://blog.51cto.com/gjwrxz/6317429