Spring 2.5和Json(Spring Json视图) [英] Spring 2.5 and Json (Spring Json View)
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问题描述
有人尝试过 Spring Json View 教程吗?
我遵循了该教程,但是访问hello.json
时出现404错误.
I followed that tutorial, but I've got 404 error while I access hello.json
.
我是使用Spring编写Java应用程序的新手,可能我的配置文件存在一些错误?
I'm new to coding a Java application with Spring, may be there is some mistake with my configuration file?
我的项目名称是jsonapp
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>jsonapp</display-name>
<servlet>
<servlet-name>jsonapp</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>jsonapp</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
</web-app>
jsonapp-servlet.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd">
<context:component-scan base-package="com.tutorial.json.web" />
<bean
class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean name="viewResolver"
class="org.springframework.web.servlet.view.XmlViewResolver" />
</beans>
view.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean name="jsonView" class="org.springframework.web.servlet.view.json.JsonView"/>
</beans>
HelloController.java
package com.tutorial.json.web;
import java.util.HashMap;
import java.util.Map;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/hello.json")
public class HelloController {
@RequestMapping(method = RequestMethod.GET)
public ModelAndView hello() {
Map<String, String> model = new HashMap<String, String>();
model.put("firstname", "Peter");
model.put("secondname", "Schmitt");
return new ModelAndView("jsonView", model);
}
}
感谢您的帮助
推荐答案
<url-pattern>
映射到*.htm
而不是*.json
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