1.用postman访问接口，返回的小数点精度正常

2.返回到页面里的，小数点丢失

3.解决办法，在字段上加注解

@JsonFormat(shape = JsonFormat.Shape.STRING)

或者

@JsonSerialize(using= ToStringSerializer.class)

import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;@JsonSerialize(using= ToStringSerializer.class)
private BigDecimal ycjmj;@JsonFormat(shape = JsonFormat.Shape.STRING)
private BigDecimal zbzmj;