SpringMVC 返回JSON和JSP页面xml配置

SpringMVC 返回JSON和JSP页面xml配置

代码1：

<!-- DispatcherServlet Context: defines this servlet‘s request-processing
        infrastructure -->

    <!-- Enables the Spring MVC @Controller programming model -->
    <annotation-driven />

    <!-- Handles HTTP GET requests for /resources/** by efficiently serving
        up static resources in the ${webappRoot}/resources directory -->
    <resources mapping="/resources/**" location="/resources/" />

    <!-- Resolves views selected for rendering by @Controllers to .jsp resources
        in the /WEB-INF/views directory -->
    <beans:bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <beans:property name="prefix" value="/WEB-INF/views/" />
        <beans:property name="suffix" value=".jsp" />
    </beans:bean>

    <context:component-scan base-package="com.sun4j.app" />

    <!-- 避免IE在ajax请求时，返回json出现下载 -->
    <!-- 返回json 方法二 需要导入 jackson-annotations.jar,jackson-core.jar,jackson-databind.jar-->
   <beans:bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />
    <beans:bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
        <beans:property name="messageConverters">
            <beans:list>
                <beans:bean class="org.springframework.http.converter.StringHttpMessageConverter">
                    <beans:property name="supportedMediaTypes">
                        <beans:list>
                            <beans:value>text/html; charset=UTF-8</beans:value>
                            <beans:value>application/json;charset=UTF-8</beans:value>
                        </beans:list>
                    </beans:property>
                </beans:bean>
                <beans:bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                    <beans:property name="supportedMediaTypes">
                        <beans:list>
                            <beans:value>text/html; charset=UTF-8</beans:value>
                            <beans:value>application/json;charset=UTF-8</beans:value>
                        </beans:list>
                    </beans:property>
                </beans:bean>
            </beans:list>
        </beans:property>
    </beans:bean> 

代码2：

<!-- 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>

<!-- 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>   

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