<!-- 會自動註冊了validator  ConversionService  -->
    <mvc:annotation-driven>
        <!--enableMatrixVariables="true">-->
        <mvc:message-converters register-defaults="true">
            <!-- StringHttpMessageConverter編碼為UTF-8，防止亂碼 -->
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <constructor-arg value="UTF-8"/>
                <property name="supportedMediaTypes">
                    <list>
                        <bean class="org.springframework.http.MediaType">
                            <constructor-arg index="0" value="text"/>
                            <constructor-arg index="1" value="plain"/>
                            <constructor-arg index="2" value="UTF-8"/>
                        </bean>
                        <bean class="org.springframework.http.MediaType">
                            <constructor-arg index="0" value="*"/>
                            <constructor-arg index="1" value="*"/>
                            <constructor-arg index="2" value="UTF-8"/>
                        </bean>
                    </list>
                </property>
            </bean>
 
            <!-- 避免IE執行AJAX時,返回JSON出現下載檔案 -->
            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter"
                  id="fastJsonHttpMessageConverter">
                <property name="supportedMediaTypes">
                    <list>
                        <value>application/json;charset=UTF-8</value>
                    </list>
                </property>
                <!--<property name="serializerFeature">-->
                <!--這個地方加上這個功能吧，能自己配置一些東西，比如時間的格式化，null輸出""等等-->
                <!--</property>-->
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>