หลังจากเข้าสู่ระบบสำเร็จแล้ว ฉันต้องเปิดแบบฟอร์มลงทะเบียนที่ทำกับ Model View Object แต่แสดงข้อผิดพลาด โปรดดูโค้ดด้านล่าง นี่คือคลาสตัวควบคุมการเข้าสู่ระบบของฉัน:
package controller;
import entity.User;
import org.springframework.web.servlet.mvc.SimpleFormController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import service.*;
@SuppressWarnings("deprecation")
public class LoginController extends SimpleFormController {
Service clientService;
@SuppressWarnings("deprecation")
public LoginController() {
setCommandClass(User.class);
setCommandName("user");
clientService=new ServiceImpl();
}
@Override
protected void doSubmitAction(Object command) throws Exception {
throw new UnsupportedOperationException("Not yet implemented");
}
//Use onSubmit instead of doSubmitAction
//when you need access to the Request, Response, or BindException objects
@Override
protected ModelAndView onSubmit(HttpServletRequest request,HttpServletResponse response,Object command, BindException errors) throws Exception {
User user =(User) command;
String UserId = user.getUname();
String Password = user.getpwd();
boolean result;
result=clientService.checkLoginIdPassword(UserId, Password);
ModelAndView mv=null;
if(result)
{
System.out.println("Login TRUE");
mv= new ModelAndView("registrationForm","user",user);
return mv;
}
else
{
System.out.println("Login FALSE");
response.sendRedirect("login.htm");
return mv;
}
}
}
หน้า Login.jsp ของฉัน:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>User Login </title>
</head>
<body>
<h1>User Login</h1>
<form:form method="POST" commandName="user">
<table width="95%" bgcolor="f8f8ff" border="0" cellspacing="0" cellpadding="5">
<tr>
<td alignment="right" width="20%">User Id</td>
<td width="20%"><form:input path="uname" /></td>
<td width="60%">
</tr>
<tr>
<td alignment="right" width="20%">Password</td>
<td width="20%"> <form:password path="pwd" /> </td>
<td width="60%">
</tr>
</table>
<input type="submit" value="login" />
</form:form>
</body>
</html>
หน้า registerForm.jsp ของฉันคือ:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>Registration Page</title>
</head>
<body>
<form:form method="POST" commandName="registration">
<table>
<tr>
<td>User Name :</td>
<td><form:input path="name" /> </td>
</tr>
<tr>
<td>Age :</td>
<td> <form:input path="age" /></td>
</tr>
<tr>
<td>Gender :</td>
<td>
<form:input path="gender" />
</td>
</tr>
<tr>
<td>Country :</td>
<td>
<form:input path="country" />
</td>
</tr>
<tr>
<td>Mobile :</td>
<td><form:input path="mobile" /></td>
</tr>
<tr>
<td>Email :</td>
<td>
<form:input path="email" />
</td>
</tr>
<tr>
<td>About You</td>
<td>
<form:textarea path="aboutYou"/>
</td>
</tr>
</table>
<input type="submit" value="submit"></td>
</form:form>
</body>
</html>
รหัส DispatcherServlet.xml ของฉันคือ:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"/>
<bean name="/login.htm" class="controller.LoginController"/>
<bean name="/registrationForm.htm" class="controller.RegistrationController"/>
<!--view resolver -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp"/>
<!--view resolver -->
</beans>
ไฟล์ RegistrationController.java ของฉัน:
package controller;
import entity.*;
import org.springframework.web.servlet.mvc.SimpleFormController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import service.*;
/**
*
* @author pawan
*/
@SuppressWarnings("deprecation")
public class RegistrationController extends SimpleFormController {
Service clientService;
@SuppressWarnings("deprecation")
public RegistrationController() {
setCommandClass(Registration.class);
setCommandName("registration");
System.out.println(" In Registration----------A--");
clientService=new ServiceImpl();
}
@Override
protected void doSubmitAction(Object command) throws Exception {
throw new UnsupportedOperationException("Not yet implemented");
}
//Use onSubmit instead of doSubmitAction
//when you need access to the Request, Response, or BindException objects
@Override
protected ModelAndView onSubmit(HttpServletRequest request,HttpServletResponse response,Object command, BindException errors) throws Exception {
Registration reg=(Registration) command;
System.out.println("Name------------"+reg.getName());
System.out.println("Age-------------"+reg.getage());
System.out.println("Gender----------"+reg.getGender());
System.out.println("Mobile----------"+reg.getMobile());
System.out.println("County----------"+reg.getCountry());
System.out.println("Email-----------"+reg.getEmail());
System.out.println("AboutYo---------"+reg.getAboutYou());
ModelAndView mv=new ModelAndView("home");
return mv;
}
}
นี่คือข้อผิดพลาดเอาต์พุตที่ฉันได้รับ:
AAA
BBB
QUERY- SQLQueryImpl(SELECT * FROM user where Username='john' AND Password='rambo')
UserId from DB- John
Password from DB- Rambo
Login TRUE
view name 1 -
view name 2 - registrationForm
Sep 29, 2014 3:31:56 PM org.springframework.web.servlet.tags.RequestContextAwareTag doStartTag
SEVERE: Neither BindingResult nor plain target object for bean name 'registration' available as request attribute
java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'registration' available as request attribute
