创建LoginFail 和LoginSuccess后将URL设置为/loginSuccess /loginFail 在哪里设置 大神 详解 谢了
==========================成功================================
package com.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class LoginSuccess
*/
@WebServlet("/LoginSuccess")
public class LoginSuccess extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException{
response.setContentType("text/html;charset=gbk");
PrintWriter out =response.getWriter();
try{
out.println("<html>");
out.println("<head>");
out.println("<title>登陆成功</title>");
out.println("<body>");
out.println("<h1>登陆成功</h1>");
out.println("<body>");
out.println("<html>");
}finally{
out.close();
}
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
processRequest(request,response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
processRequest(request,response);
}
}
===========================失败===============================
package com.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class LoginFail
*/
@WebServlet("/LoginFail")
public class LoginFail extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException{
response.setContentType("text/html;charset=gbk");
PrintWriter out =response.getWriter();
try{
out.println("<html>");
out.println("<head>");
out.println("<title>登陆失败</title>");
out.println("<body>");
out.println("<h1>登陆失败！请重新登录</h1>");
out.println("<body>");
out.println("<html>");
}finally{
out.close();
}
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
processRequest(request,response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
processRequest(request,response);
}
}
叶子1回答
-
botao555
你的servlet的映射是使用注解的方式实现的，不需要再web.xml中配置了。比如你看LoginSuccess 类的开始的地方有个 @WebServlet("/LoginSuccess") 双引号里的就是你需要映射的url地址，如果你想映射成/loginSuccess，就改成@WebServlet("/loginSuccess") 即可。
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