package com.dsh.course.util;

import java.math.BigDecimal;

/**
 * Double文档
 */
public class DoubleUtil {

    public static Double format(Double num) {
        BigDecimal b = new BigDecimal(num);
        num = b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
        return num;
    }

}