SpringMVC对日期类型的转换示例

@DateTimeFormat(pattern = "yyyy-MM-dd") 
private Date createTime; 

@InitBinder 
public void initBinder(WebDataBinder binder) { 
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); 
dateFormat.setLenient(false); 
binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true)); //true:允许输入空值，false:不能为空值

public class DateConverter implements Converter<String, Date> { 
@Override 
public Date convert(String source) { 
 SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); 
 dateFormat.setLenient(false); 
 try { 
  return dateFormat.parse(source); 
 } catch (ParseException e) { 
  e.printStackTrace(); 
 }   
 return null; 
}

<bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"> 
  <property name="converters"> 
   <list> 
    <bean class="com.doje.XXX.web.DateConverter" /> 
   </list> 
  </property> 
</bean> 

<mvc:annotation-driven conversion-service="conversionService" /> 

@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> 

@DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss") 
@JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8") 
public Date getCreateTime() { 
return this.createTime; 
}