package com.whyc.util;

import java.math.BigDecimal;
import java.math.RoundingMode;

/**
 * 计算工具类
 */
public class MathUtil {

    /**
     * 提取公共方法,相除获取比例,返回可选String或者Float
     * @param type 1表示小数,2表示除去%的比例,3表示%的比例
     * @return Object String或者Float类型
     * */
    public static Object divide(Object num,Object num2,Integer type){
        float res = 0;
        double num2Double=Double.parseDouble(num2.toString());
        if(num2Double!=0){

            if (num instanceof Integer) {
                res = BigDecimal.valueOf((Integer) num).divide(BigDecimal.valueOf((Integer) num2), 2, RoundingMode.HALF_UP).floatValue();
            }
            if (num instanceof Float) {
                res = BigDecimal.valueOf((Float) num).divide(BigDecimal.valueOf((Float) num2), 2, RoundingMode.HALF_UP).floatValue();
            }
            if (num instanceof Double) {
                res = BigDecimal.valueOf((Double) num).divide(BigDecimal.valueOf((Double) num2), 2, RoundingMode.HALF_UP).floatValue();
            }
        }
        //0.05
        if (type == 1) {
            return res;
        }
        //5
        else if (type == 2) {
            return (int) (res * 100);
        }
        //5%
        return (int) (res * 100) + "%";
    }

}