【utils】BigDecimalUtil

public class BigDecimalUtil {

    private static final BigDecimal ZERO = new BigDecimal(0);

    // 是否大于0
    public static boolean isBiggerThanZero(BigDecimal value){
        return value.compareTo(ZERO) > 0 ;
    }

    // 取小数点后2位
    public static String format(BigDecimal value){
        if(value == null){
            return "";
        }
        return value.setScale(2,BigDecimal.ROUND_HALF_UP).toString();
    }

    public static void main(String[] args){
        System.out.println(isBiggerThanZero(new BigDecimal(1)));
        System.out.println(format(new BigDecimal("2332.434334")));
        System.out.println(format(new BigDecimal("2332.454334")));
        System.out.println(format(new BigDecimal("0.454334")));
    }

}