结果对比:
1、新建一个类,重写JsonSerialize中的方法重写:
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException;
import java.util.Date;
public class Date2LongSerializer extends JsonSerializer<Date> {
@Override
public void serialize(Date date, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
jsonGenerator.writeNumber(date.getTime()/1000);
}
}
使用 ,在属性上添加注解:
// 创建时间
@JsonSerialize(using = Date2LongSerializer.class)
private Date createTime;
// 更新时间
@JsonSerialize(using = Date2LongSerializer.class)
private Date updateTime;
显示结果: