个税计算器 / 微信小程序开发
2019年1月1日即将到来,码农们除了关心自己的技能之外,还有薪资是不是可以多拿点。 每次算的时候 都要百度一下个人所得税,但是很多都是老的税率计算,找一个新的出来还是比较麻烦,所以个人开发了一个最新税率的小程序。解决和我有着一样痛苦的码农们的问题。根据最新税改后计算个人所得税的计算器。目前支持南京,后续开放 杭州 上海 北京等城市。 如果有疑问的可以加最下方 开发者微信。
- 首先在微信官网下载微信小程序开发工具 https://mp.weixin.qq.com
- 在https://mp.weixin.qq.com 注册小程序账号,完成个人实名认证。
- 在小程序后台拿到appid,下面就可以开发了。
实例查看二维码:
先使用weui 小程序ui框架就行页面布局
<button block type="dark" bindtap='calculationBindtap'>计算</button>
其次写JS代码(计算按钮逻辑代码)
import data from './data' const app = getApp; Page({ data: { options1: data, value: '1', checked: true, standard: 1, marking: 5000, beforetaxCount: 0, specialitemCount: 0 }, calculationBindtap:function(){ // 开始计算 计算完成把计算结果放在result对象中 var beforetaxCount = this.data.beforetaxCount; var specialitemCount = this.data.specialitemCount; var marking = this.data.marking; if (beforetaxCount == null || beforetaxCount == 0 || beforetaxCount == ''){ wx.showToast({ title: '输入正确薪资', mask: true, icon: 'loading' }) return; } if (specialitemCount == null || specialitemCount == ''){ specialitemCount = 0; } // 开始计算 var oldNum = 0.08; var medNum = 0.02; var unemNum = 0.005; var workNum = 0; var giveNum = 0; var providentfundNum = 0.08; var insuranceBase = 19935; var providentfundBase = 25300; var oldcount = 0; var medcount = 0; var unemcount = 0; var workcount = 0; var givecount = 0; var providentfundcount = 0; var privateFee = 0; var plusFee = 0; if(this.data.checked){ if (parseFloat(beforetaxCount) > parseFloat(insuranceBase)) { oldcount = parseFloat(insuranceBase) * parseFloat(oldNum); medcount = parseFloat(insuranceBase) * parseFloat(medNum); unemcount = parseFloat(insuranceBase) * parseFloat(unemNum); workcount = parseFloat(insuranceBase) * parseFloat(workNum); givecount = parseFloat(insuranceBase) * parseFloat(giveNum); } else { oldcount = parseFloat(beforetaxCount) * parseFloat(oldNum); medcount = parseFloat(beforetaxCount) * parseFloat(medNum); unemcount = parseFloat(beforetaxCount) * parseFloat(unemNum); workcount = parseFloat(beforetaxCount) * parseFloat(workNum); givecount = parseFloat(beforetaxCount) * parseFloat(giveNum); } if (parseFloat(beforetaxCount) > parseFloat(providentfundBase)) { providentfundcount = parseFloat(providentfundBase) * parseFloat(providentfundNum); } else { providentfundcount = parseFloat(beforetaxCount) * parseFloat(providentfundNum); } } // 保险总费用 var totalInsuranceFee = parseFloat(oldcount) + parseFloat(medcount) + parseFloat(unemcount) + parseFloat(workcount) + parseFloat(givecount); // 公积金费用 var totalProvidentfundFee = providentfundcount; // 下面的钱 交税 console.log(this.data.marking); var otherFee = parseFloat(beforetaxCount) - parseFloat(totalInsuranceFee) - parseFloat(totalProvidentfundFee) - parseFloat(this.data.marking) - parseFloat(specialitemCount); if (parseFloat(otherFee) <= 3000 && parseFloat(otherFee) > 0) { privateFee = parseFloat(otherFee) * 0.03; plusFee = 0; } if (parseFloat(otherFee) <= 12000 && parseFloat(otherFee) > 3000) { privateFee = parseFloat(otherFee) * 0.1; plusFee = 210; } if (parseFloat(otherFee) <= 25000 && parseFloat(otherFee) > 12000) { privateFee = parseFloat(otherFee) * 0.2; plusFee = 1410; } if (parseFloat(otherFee) <= 35000 && parseFloat(otherFee) > 25000) { privateFee = parseFloat(otherFee) * 0.25; plusFee = 2660; } if (parseFloat(otherFee) <= 55000 && parseFloat(otherFee) > 35000) { privateFee = parseFloat(otherFee) * 0.3; plusFee = 4410; } if (parseFloat(otherFee) <= 80000 && parseFloat(otherFee) > 55000) { privateFee = parseFloat(otherFee) * 0.35; plusFee = 7160; } if ( parseFloat(otherFee) > 80000) { privateFee = parseFloat(otherFee) * 0.45; plusFee = 15160; } var result = {}; result.insuranceCount = totalInsuranceFee; result.providentfundCount = totalProvidentfundFee; result.providentfundNum = parseFloat(providentfundNum) * 100; result.money = parseFloat(beforetaxCount) - parseFloat(totalInsuranceFee) - parseFloat(totalProvidentfundFee) - parseFloat(privateFee) + parseFloat(plusFee); result.privateFee = privateFee - parseFloat(plusFee); result.specialitemCount = specialitemCount; result.oldNum = parseFloat(oldNum) * 100; result.medNum = parseFloat(medNum) * 100; result.unemNum = parseFloat(unemNum) * 100; result.workNum = parseFloat(workNum) * 100; result.giveNum = parseFloat(giveNum) * 100; result.oldcount = parseFloat(oldcount); result.medcount = parseFloat(medcount); result.unemcount = parseFloat(unemcount); result.workcount = parseFloat(workcount); result.givecount = parseFloat(givecount); wx.setStorage({ key: 'result', data: result, success:function(){ wx.navigateTo({ url: '../calculation/calculationResult', }) } }) }, })
把计算好的结果放在result对象中 通过wx.setStorage
放在缓存中,传到下一个页面。最后展示出来。
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