<mvc:annotation-driven  >
        <mvc:message-converters register-defaults="true">
         
             <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                 <property name="supportedMediaTypes" value="text/plain;charset=UTF-8" />
             </bean>
            
            <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>
 

配置json檢視解析器

control返回json

@ResponseBody
	@RequestMapping("getMyOrders.do")
	public Object getMyOrders(String uid){
	     List<PoOrder> poOrder=orderService.getMyorders(uid);
		JSONObject jsonObject=jsonUtil.getJsonStatic(1, "");
		jsonObject.put("msg", poOrder);
		return jsonObject;
	}
 

注意：

<strong> <mvc:annotation-driven  >只能存在一個</strong>