我有一個視圖'hi.jsp
'與用戶名和密碼文本字段。我需要提交'hi.jsp'
至'LoginController.java'
。如果提交的數據中有任何錯誤,則'LoginController.java'
必須將請求重定向回'hi.jsp'
(使用縮進輸入數據的文本字段)和相應的錯誤消息。更改數據並重新提交'hi.jsp'
後,我收到404錯誤。Spring 3 MVC額外@RequestMapping值正在追加到返回的視圖
因此,第一次提交是成功的,但在第二次提交期間發生問題。 文件的源代碼被提及以下:
hi.jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="s" %>
<%@ page session="false" %>
<html>
<body>
<s:form method="POST" modelAttribute="loginObj" action="login/validatelogin">
<label for="userName">UserName</label>
<s:input path="userName" id="userName" size="15"/><br>
<div style="{color:red}"> <s:errors path="userName"></s:errors></div>
<label for="password">Password</label>
<s:input path="password" id="password" size="15" /><br>
<s:errors path="password"></s:errors>
<input name="submit" type="submit" value="login"/>
</s:form>
</body>
</html>
LoginController.java
package rajeev.spring.spitter.mvc.controller;
import javax.validation.Valid;
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;
@Controller
@RequestMapping("/login")
public class LoginController {
@RequestMapping(value="/validatelogin", method=RequestMethod.POST)
public String validateLogin(@Valid @ModelAttribute("loginObj") LoginBean loginObj, BindingResult bindingResult)
{
System.out.println(bindingResult.hasErrors());
if(bindingResult.hasErrors())
{
return "hi";
}
return "home";
}
}
spitter-servlet.xml中(彈簧結構)
<?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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<mvc:annotation-driven/>
<context:component-scan base-package="rajeev.spring.spitter.mvc.controller"></context:component-scan>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
的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>Spring Hello World</display-name>
<welcome-file-list>
<welcome-file>/</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>springDispatcher</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spitter-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springDispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
在第二次提交 'hi.jsp爲' tomcat日誌也顯示警告:
WARNING: No mapping found for HTTP request with URI [/SpringMVC/login/login/validatelogin] in DispatcherServlet with name 'springDispatcher'
看來,第二次提交的'hi.jsp
'期間的額外'/login'
正在追加到窗體的提交路徑。
請建議如果上述代碼有問題,或者需要修改它以使其正常工作。
感謝您的幫助。
gerrytan:非常感謝...終於有效:) –