SpringMVC之jackson日期格式化

<!-- 注册json转换器，并自定义日期格式转换-->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
                <property name="objectMapper">
                    <bean class="com.ywlaker.tools.ToolJacksonDateFormat"></bean>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

package com.ywlaker.tools;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.JsonSerializer;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializerProvider;
import org.codehaus.jackson.map.ser.CustomSerializerFactory;
/**
* @功能描述：jackson转json时格式化日期显示，全局设置
* @author yang.wei
* @time 2015年8月18日 下午2:43:14
* @version 0.0.1
*/
public class ToolJacksonDateFormat extends ObjectMapper {
    public ToolJacksonDateFormat() {
        CustomSerializerFactory factory = new CustomSerializerFactory();  
        factory.addGenericMapping(Date.class, new JsonSerializer<Date>(){
            @Override
            public void serialize(Date date, JsonGenerator jsonGenerator,
                    SerializerProvider arg2) throws IOException,
                    JsonProcessingException {
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
                jsonGenerator.writeString(sdf.format(date));
            }});  
        this.setSerializerFactory(factory); 
    }
}