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  • spring mvc 返回json的配置

    转载自:http://my.oschina.net/haopeng/blog/324934

    springMVC-servlet.xml 配置

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    <!-- 启动Springmvc注解驱动 -->
        <mvc:annotation-driven/>
     <!-- 返回json 方法一 需要导入 fastjson.jar包 --> 
        <mvc:annotation-driven>
            <mvc:message-converters register-defaults="false">
                <!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->
                <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                    <property name="supportedMediaTypes">
                        <list>
                            <!-- 这里顺序不能反,一定先写text/html,不然ie下出现下载提示 -->
                            <value>text/html;charset=UTF-8</value>
                            <value>application/json;charset=UTF-8</value>
                        </list>
                    </property>
                </bean>
            </mvc:message-converters>
        </mvc:annotation-driven>
         
       
      <!-- 返回json 方法二 需要导入 jackson-annotations.jar,jackson-core.jar,jackson-databind.jar--> 
       <!--  <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />
        <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
            <property name="messageConverters">
                <list>
                    <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                        <property name="supportedMediaTypes">
                            <list>
                                <value>text/html; charset=UTF-8</value>
                                <value>application/json;charset=UTF-8</value>
                            </list>
                        </property>
                    </bean>
                    <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                        <property name="supportedMediaTypes">
                            <list>
                                <value>text/html; charset=UTF-8</value>
                                <value>application/json;charset=UTF-8</value>
                            </list>
                        </property>
                    </bean>
                </list>
            </property>
        </bean> -->
     
     
    <!-- 其下与返回json 无关  -->
     
        <!-- 自动将控制器加载到bean -->
        <context:component-scan base-package="org.controller"></context:component-scan>    
        <!-- 配置处理静态资源的请求 -->
        <mvc:resources location="/resources/" mapping="*/res/**"/>
         
        <!-- 拦截器配置 -->
        <mvc:interceptors>
            <bean class="org.aop.LoginInteceptor" />
        </mvc:interceptors>
         
        <!-- 配置视图解析器 -->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">    
            <property name="prefix" value="/WEB-INF/jsp/"/>    
            <property name="suffix" value=".jsp"/><!--可为空,方便实现自已的依据扩展名来选择视图解释类的逻辑  -->    
            <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />    
        </bean>   
         
         <!-- 上传 需要使用到的配置-->
        <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
            <property name="maxUploadSize" value="1046666000"/>
        </bean>
         
         <!--配置全局的异常-->
        <!-- <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
            <property name="exceptionMappings">
                <props>
                    <prop key="com.guanlan.util.SportException">error</prop>
                </props>
            </property>
        </bean> -->

    Controller.java 代码:

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    /**
     * 首页测试控制器
    * @ClassName: HomeController
    * @Description: TODO(这里用一句话描述这个类的作用)
    * @author 郝鹏
    * @date 2014-9-29 下午2:22:35
    *
     */
    @Controller
    public class HomeController {
         
        @RequestMapping({"/"})
        public String index(Map<String, Object> map){
            map.put("name", "郝鹏");
            return "index";
        }
         
        /**
         * 返回json
        * @Title: getJson
        * @Description: TODO(这里用一句话描述这个方法的作用)
        * @return
        * @return Object    返回类型
        * @author 郝鹏
        * @date 2014-10-8 下午3:50:24
         */
        @RequestMapping(value="/json")
        @ResponseBody
        public Object getJson(){
            Map<String, Object> map=new HashMap<String, Object>();
            map.put("fd", "郝鹏");
            return map;
        }
    }
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  • 原文地址:https://www.cnblogs.com/zhangwei595806165/p/4606144.html
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