Java计算税后工资和税前工资推算

计算税后工资(扣税基数base=3500,可以根据最新情况修改,如5000)

@Test
public void test() {
    double money = 30000; //税前工资

    double society= getOther(money,money); //应扣社保

    double tax = getTax(money-society);//应扣税款
    double realMoney = money - society - tax; //实际到手工资

    System.out.println(
            String.format("税前:%.2f, 社保:%.2f, 扣税:%.2f, 到手:%.2f",
            money,society,tax,realMoney));
    //税前:30000.00, 社保:6660.00, 扣税:3955.00, 到手:19385.00
}

/**
 * 计算应扣除的社保缴费金额,没算上限,如 society = society < 23118? society : 23118;
 * @param society 社保基数
 * @param house 公积金基数
 * @return
 */
public double getOther(double society, double house) {
    //养老保险金:   800.00 (8%)   1900.00    (19%)
    //医疗保险金:   200.00 (2%)   1000.00    (10%)
    //失业保险金:   20.00  (0.2%) 80.00  (0.8%)
    //基本住房公积金: 1200.00    (12%)  1200.00    (12%)
    //补充住房公积金: 0.00   (0%)   0.00   (0%)
    //工伤保险金:                 40.00  (0.4%)
    ///生育保险金:                80.00  (0.8%)
    return society * 0.08 + society * 0.02 + society * 0.002 + house * 0.12;
}

/**
 * 计算应扣税额
 * @param total
 * @return
 */
public double getTax(double total) {
    double base = 3500;
    double money = total - base;
    if(money <=0) {
        return 0;
    }

    if(money <1500) {
        return money*0.03;
    }

    if(money <4500) {
        return money*0.1-105;
    }

    if(money <9000) {
        return money*0.2-555;
    }

    if(money <35000) {
        return money*0.25-1005;
    }

    if(money <55000) {
        return money*0.3-2755;
    }

    if(money <80000) {
        return money*0.35-5505;
    }

    return money*0.45 - 13505;
}

计算税前工资(扣税基数base=3500,可以根据最新情况修改,如5000)

@Test
public void test1() {
    double money = 19385; //税后工资

    double beforeTax = getPreTax(money);//扣税前

    double beforeSociety= getPreOther(beforeTax); //扣社保前

    double realMoney = beforeSociety; //实际到手工资

    System.out.println(
            String.format("税后:%.2f, 社保:%.2f, 扣税:%.2f, 税前:%.2f",
                    money,beforeSociety - beforeTax,beforeTax - money,realMoney));
    //税后:19385.00, 社保:6660.00, 扣税:3955.00, 税前:30000.00
}

/**
 * 使用标准的扣社保方式,没算上限,如 society = society < 23118? society : 23118;
 * if(money < 23118*(1-0.222)) {return money / (1-0.222);} else {return 23118*0.222 + money;}
 * 养老保险金:  800.00 (8%)   1900.00    (19%)
 * 医疗保险金:  200.00 (2%)   1000.00    (10%)
 * 失业保险金:  20.00  (0.2%) 80.00  (0.8%)
 * 基本住房公积金:    1200.00    (12%)  1200.00    (12%)
 * 补充住房公积金:    0.00   (0%)   0.00   (0%)
 * 工伤保险金:                40.00  (0.4%)
 * 生育保险金:                80.00  (0.8%)
 * @param money
 * @return
 */
public double getPreOther(double money) {
    return money / (1-0.222);
}

/**
 * 通过税后工资推算税前工资
 * @param money 税后工资
 * @return
 */
public double getPreTax(double money) {
    double base = 3500;
    if(money < base + 1455) {
       return (money-base*0.03)/(1-0.03);
    }
    if(money < base + 4155) {
        return (money-base*0.1-105)/(1-0.1);
    }
    if(money < base + 7755) {
        return (money-base*0.2-555)/(1-0.2);
    }
    if(money < base + 27255) {
        return (money-base*0.25-1005)/(1-0.25);
    }
    if(money < base + 41255) {
        return (money-base*0.3-2755)/(1-0.3);
    }
    if(money < base + 57505) {
        return (money-base*0.35-5505)/(1-0.35);
    }

    return (money-base*0.45-13505)/(1-0.45);

}

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转载自blog.csdn.net/lovewebeye/article/details/80735220
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