SpringMVC4.1中使用FastJson

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.dr</groupId>
	<artifactId>spring4</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>spring4 Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<properties>
		<springframework.version>4.1.4.RELEASE</springframework.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>

		<!-- Spring Framework -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${springframework.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>${springframework.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${springframework.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${springframework.version}</version>
		</dependency>

		<!-- JSON -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.2.4</version>
		</dependency>

	</dependencies>
	<build>
		<finalName>spring4</finalName>
	</build>
</project>

Java代碼

package com.dr.controller;

import java.util.HashMap;
import java.util.Map;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.dr.model.APP;

@RestController
public class DemoController {

	@RequestMapping("/info.do")
	public String getInfo() {
		return "Hello World!";
	}

	@RequestMapping("/map.do")
	public Map<String, Object> getMap() {
		Map<String, Object> map = new HashMap<>();
		map.put("a", "張三");
		map.put("b", "李四");
		map.put("d", "D");
		map.put("c", "張三丰");
		map.put("e", "E");
		map.put("f", "F");
		return map;
	}

	@RequestMapping("/app.do")
	public APP getApp() {
		APP app = new APP();
		app.setId("安卓");
		app.setVersion("5.0");
		return app;
	}

}

spring-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<b:beans xmlns:b="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-4.1.xsd 
	http://www.springframework.org/schema/mvc 
	http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd 
	http://www.springframework.org/schema/context 
	http://www.springframework.org/schema/context/spring-context-4.1.xsd ">

	<!-- 註冊驅動 -->
	<annotation-driven>

		<message-converters register-defaults="true">
			<b:bean id="fastJsonHttpMessageConverter"
				class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter" />
		</message-converters>

	</annotation-driven>

	<!-- 設置使用註解的類所在的jar包 -->
	<context:component-scan base-package="com.dr.controller" />

</b:beans>

web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  
  <!-- Spring MVC配置 -->
	<servlet>
		<servlet-name>SpringMVC</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:spring-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>SpringMVC</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
	
	<!-- 編碼過濾器，解決中文亂碼 -->
	<filter>
		<filter-name>SpringEncoding</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>SpringEncoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>