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 * */@Controllerpublic 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; }} |
