<!-- 定义视图解析器 -->
<bean id="viewResolver"
      class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="prefix" value="classpath:/templates/"></property>
    <property name="suffix" value=".jsp"></property>
    <property name="order" value="1"/>
</bean>

<!-- 配置freeMarker的模板路径 -->
<bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
    <property name="templateLoaderPath" value="classpath:/templates/" />
    <property name="defaultEncoding" value="UTF-8" />
</bean>
<!-- freemarker视图解析器 -->
<bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
    <property name="suffix" value=".ftl" />
    <property name="order" value="0"/>
    <property name="contentType" value="text/html;charset=UTF-8" />
    <!-- 此变量值为pageContext.request, 页面使用方法：rc.contextPath -->
    <property name="requestContextAttribute" value="rc" />
</bean>

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.12</version>
</dependency>

<mvc:annotation-driven>
    <mvc:message-converters register-defaults="true">
        <!-- 配置Fastjson支持 -->
        <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
            <property name="supportedMediaTypes">
                <list>
                    <value>text/html;charset=UTF-8</value>
                    <value>application/json</value>
                </list>
            </property>
            <property name="features">
                <list>
                    <value>WriteMapNullValue</value>
                    <value>QuoteFieldNames</value>
                </list>
            </property>
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>

 <mvc:view-resolvers>
        <mvc:content-negotiation>
            <mvc:default-views>
                <bean class="org.springframework.web.servlet.view.json.MappingJackson2JsonView">
                    <property name="jsonpParameterNames">
                        <set>
                            <value>jsonp</value>
                            <value>callback</value>
                        </set>
                    </property>
                </bean>
            </mvc:default-views>
        </mvc:content-negotiation>
        <mvc:freemarker cache-views="false"  suffix=".ftl"/>
    </mvc:view-resolvers>

<filter>
<filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

@RestController
public class MessageController {
    Logger logger = LoggerFactory.getLogger(MessageController.class);
    @RequestMapping(value = "/message", method = RequestMethod.POST)
    public @ResponseBody JSONObject message(@RequestParam String message) {
        logger.debug("{}", message);
        JSONObject item = new JSONObject();
        item.put("name", "我是tomLuo");
        return item;
    }
}

@Controller
public class MessageController {
    Logger logger = LoggerFactory.getLogger(MessageController.class);

    @RequestMapping(value = "/message", method = RequestMethod.POST,produces="application/json") (1)
    public @ResponseBody JSONObject message(@RequestParam String message) {
        logger.debug("{}", message);
        JSONObject item = new JSONObject();
        item.put("name", "我是tomLuo");
        return item;
    }
}

package com.tom.web.controller; /**
 * Created by tom on 2016/5/24.
 */

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloWorldController implements Controller {
    @Override
    public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse resp) throws Exception {
        //1、收集参数、验证参数
        //2、绑定参数到命令对象
        //3、将命令对象传入业务对象进行业务处理
        //4、选择下一个页面
        ModelAndView mv = new ModelAndView();
        //添加模型数据 可以是任意的POJO对象
        mv.addObject("message", "Hello World!");
        mv.addObject("message2", "我是tomLuo!");
        //设置逻辑视图名，视图解析器会根据该名字解析到具体的视图页面
        mv.setViewName("hello");
        return mv;
    }
}