Java Web程序中利用Spring框架返回JSON格式的日期

/** 
 * 解决SpringMVC使用@ResponseBody返回json时，日期格式默认显示为时间戳的问题。需配合<mvc:message-converters>使用 
 */ 
@Component("customObjectMapper") 
public class CustomObjectMapper extends ObjectMapper { 
 
  public CustomObjectMapper() { 
    CustomSerializerFactory factory = new CustomSerializerFactory(); 
    factory.addGenericMapping(Date.class, new JsonSerializer<Date>() { 
      @Override 
      public void serialize(Date value, JsonGenerator jsonGenerator, 
          SerializerProvider provider) throws IOException, JsonProcessingException { 
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
        jsonGenerator.writeString(sdf.format(value)); 
      } 
    }); 
    this.setSerializerFactory(factory); 
  } 
} 

<mvc:annotation-driven> 
  <mvc:message-converters> 
    <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"> 
      <property name="objectMapper" ref="customObjectMapper"></property> 
    </bean> 
  </mvc:message-converters> 
</mvc:annotation-driven> 

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.SerializerProvider; 
 
/** 
 * @description 自定义返回JSON 数据格中日期格式化处理 
 */ 
public class CustomDateSerializer extends JsonSerializer<Date> { 
 
  @Override 
  public void serialize(Date value,  
      JsonGenerator jsonGenerator,  
      SerializerProvider provider) 
      throws IOException, JsonProcessingException { 
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
    jsonGenerator.writeString(sdf.format(value)); 
  } 
} 

@JsonSerialize(using = CustomDateSerializer.class) 
public Date getCreateDate() { 
  return createDate; 
} 

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; 
 
/** 
 * @description 解决Date类型返回json格式为自定义格式 
 */ 
public class CustomObjectMapper extends ObjectMapper { 
 
  public CustomObjectMapper(){ 
    CustomSerializerFactory factory = new CustomSerializerFactory(); 
    factory.addGenericMapping(Date.class, new JsonSerializer<Date>(){ 
      @Override 
      public void serialize(Date value,  
          JsonGenerator jsonGenerator,  
          SerializerProvider provider) 
          throws IOException, JsonProcessingException { 
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
        jsonGenerator.writeString(sdf.format(value)); 
      } 
    }); 
    this.setSerializerFactory(factory); 
  } 
} 

<mvc:annotation-driven> 
    <mvc:message-converters> 
      <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"> 
        <property name="objectMapper" ref="customObjectMapper"></property> 
      </bean> 
    </mvc:message-converters> 
  </mvc:annotation-driven> 
  <bean id="customObjectMapper" class="com.pmc.dwa.common.custom.CustomObjectMapper"></bean>