2019年新个税计算（Go）

Posted By Zyp on 2019-06-14
杂项

2019个税改革，为了自己弄清楚自己扣税相关情况，用Go简单实现了自己使用的一个计算器。

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package main

import (
	"fmt"
	"strconv"
)

var months = [12]string{"1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"}

func main(){
	basic := 5000.0 		//起征点
	fiveOne := *** 		//五险一金
	add := 1500.0 			//专项附加扣除
	other := 0.0 			//其他

	all := ***			//税前工资

	totalTax := 0.0			//记录当年总缴税

	i:=1.0
	for i<13{
		this := i*(all - basic - fiveOne - add - other)		//累计预扣预缴应纳税所得额

		taxLv := 0.0		//当月预扣率
		taxNum := 0.0		//速算扣除数
		if this<=36000{
			taxLv = 0.03
			taxNum = 0.0
		}else if this<=144000{
			taxLv = 0.1
			taxNum = 2520.0
		}else if this<=300000{
			taxLv = 0.2
			taxNum = 16920.0
		}else if this<=420000{
			taxLv = 0.25
			taxNum = 31920.0
		}else if this<=660000{
			taxLv = 0.3
			taxNum = 52920.0
		}else if this<=960000{
			taxLv = 0.35
			taxNum = 85920.0
		}else{
			taxLv = 0.45
			taxNum = 181920.0
		}

		now := this*taxLv - totalTax - taxNum		//本月应预扣预缴税额得额
		totalTax += now								//累计已预扣预缴税额
		fmt.Println(months[int(i-1)]+":"+strconv.FormatFloat(now, 'f', 2, 64))

		i = i+1
	}

	fmt.Println("totalTax:"+strconv.FormatFloat(totalTax, 'f', 2, 64))
}