SpringApplicationでエラーメッセージを表示するのに問題があります。SpringMVC3とApacheTilesを使用しています。フォームにエラーがある場合、エラーメッセージは表示されません。コードの一部であると聞いてください。
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>SpringExample</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/spring/dispatcher-servlet.xml
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
ディスパッチャー-サーブレット.xml
<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<context:component-scan base-package="com.examples.spring" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass">
<value>
org.springframework.web.servlet.view.tiles2.TilesView
</value>
</property>
</bean>
<bean id="tilesConfigurer"
class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
<property name="definitions">
<list>
<value>/WEB-INF/tiles.xml</value>
</list>
</property>
</bean>
</beans>
tiles.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
<tiles-definitions>
<definition name="create_account_success" template="/WEB-INF/jsp/account/SuccessJSP.jsp">
</definition>
<definition name="account_create" template="/WEB-INF/jsp/account/testForm.jsp">
</definition>
</tiles-definitions>
testForm.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form:form id="form" modelAttribute="formCreate" method="post">
<table>
<tr>
<td>Name :</td>
<td><form:input path="name"/>
<form:errors path="name"/>
</td>
</tr>
<tr>
<td>Password :</td>
<td><form:input path="password"/>
<form:errors path="password"/>
</td>
</tr>
<tr>
<td colspan="2"><input type="submit" /></td>
</tr>
</table>
</form:form>
</body>
</html>
AccountRegistrationController.java
package com.examples.spring.controller;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import com.examples.spring.dto.AccountDTO;
import com.examples.spring.validator.AccountValidator;
@Controller
public class AccountRegistrationController {
public static final String BASE_URL = "/account";
@RequestMapping(value = BASE_URL + "/create" ,method = RequestMethod.GET)
public ModelAndView accountCreate(){
ModelAndView view = new ModelAndView();
view.addObject("formCreate", new AccountDTO());
view.setViewName("account_create");
return view;
}
@RequestMapping(value = BASE_URL + "/create" ,method = RequestMethod.POST)
public ModelAndView accountRegistration(@ModelAttribute AccountDTO accountDTO,BindingResult result ){
ModelAndView view = new ModelAndView();
AccountValidator validator = new AccountValidator();
validator.validate(accountDTO, result);
if (result.hasErrors()) {
view.setViewName("account_create");
view.addObject("formCreate", accountDTO);
return view;
}
view.setViewName("create_account_success");
return view;
}
@RequestMapping(value = BASE_URL + "/login" ,method = RequestMethod.GET)
public ModelAndView accountLogin(){
ModelAndView view = new ModelAndView();
view.setViewName("account_login");
return view;
}
}
AccountValidator.java
package com.examples.spring.validator;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
import com.examples.spring.dto.AccountDTO;
public class AccountValidator implements Validator {
@Override
public boolean supports(Class<?> clazz) {
return AccountDTO.class.isAssignableFrom(clazz);
}
@Override
public void validate(Object result, Errors error) {
AccountDTO accountDTO = (AccountDTO) result;
ValidationUtils.rejectIfEmpty(error, "name", "require.name", "Name Requires.");
ValidationUtils.rejectIfEmpty(error, "password", "require.password", "Password Requires.");
}
}
AccountDTO.java
package com.examples.spring.dto;
public class AccountDTO {
private String name;
private String password;
public AccountDTO() {
// TODO Auto-generated constructor stub
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
コードは正常に機能していますが、にエラーメッセージが表示されません<form:errors />
。
私を助けてください。