springmvc createtime updatetime

{
field:'createtime',
title:'创建时间',
sortable:true,
align:'center',
hidden:true,
width:120,
},{
field:'updatetime',
title:'更新时间',
sortable:true,
align:'center',
hidden:true,
width:120,

}

@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@JsonSerialize(using = UtilsJsonDateSerializer.class)
    public Date getUpdatetime() {
        return updatetime;
    }


    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
@JsonSerialize(using = UtilsJsonDateSerializer.class)
    public Date getCreatetime() {
        return createtime;
    }

public class UtilsJsonDateSerializer extends JsonSerializer<Date> {

private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");


@Override
public void serialize(Date date, JsonGenerator gen, SerializerProvider provider)
throws IOException, JsonProcessingException {
String value = dateFormat.format(date);
gen.writeString(value);
}

}