如何将jackson objectmapper dateformat配置添加到spring mvc config中？ [英] How do I add a jackson objectmapper dateformat config into spring mvc config?

问题描述

我有一个关于jackson 2.1的问题。

I have a problem about jackson 2.1.

我的pojo有一些日期属性，我想把它变成字符串，我把它设置在spring-servlet.xml但是它没用。

My pojo have some date properties, I want turn it to string, I setted it in spring-servlet.xml but it's not usefull.

我不喜欢在setter上使用 @JsonSerialize（using = JsonDateSerializer.class） 。

I don't like use @JsonSerialize(using = JsonDateSerializer.class) on the setter.

这是我的配置：

<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
    <property name="objectMapper">
        <bean class="com.fasterxml.jackson.databind.ObjectMapper">
            <property name="dateFormat">
                <bean class="java.text.SimpleDateFormat">
                    <constructor-arg type="java.lang.String" value="yyyy-MM-dd"></constructor-arg>
                </bean>
            </property>
        </bean>
    </property>
</bean>

推荐答案

假设您使用的是Spring 3.1，您应该自定义 mvc-annotation driven 标签属性，
，如
所示在Spring中配置ObjectMapper

Assuming you are using Spring 3.1, you should customize your mvc-annotation driven tag properties, as is shown in Configuring ObjectMapper in Spring

假设你的bean声明是正确的我觉得它应该像

Assuming that your bean declaration is correct I think it should be something like

<mvc:annotation-driven>
        <mvc:message-converters register-defaults="true">
            <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
              <property name="objectMapper">
                 <bean class="com.fasterxml.jackson.databind.ObjectMapper">
                     <property name="dateFormat">
                     <bean class="java.text.SimpleDateFormat">
                     <constructor-arg type="java.lang.String" value="yyyy-MM-dd"></constructor-arg>
                     </bean>
                     </property>
                 </bean>
              </property>
        </bean>
    </mvc:message-converters>

    </mvc:annotation-driven>

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