jar包版本很关键
实体类上面需要的注解
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
@JsonInclude(Include.NON_NULL) 去掉为null的字段
即可直接返回json,版本不对会报406错误
jar包版本很关键
实体类上面需要的注解
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
@JsonInclude(Include.NON_NULL) 去掉为null的字段
即可直接返回json,版本不对会报406错误