Javascript實現計算個人所得稅

2019-11-20 12:31:05

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CSS：

BORDER-BOTTOM: medium none}TD {    BORDER-RIGHT: medium none; PADDING-RIGHT: 0px; BORDER-TOP: medium none; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: medium none; PADDING-TOP: 0px;BORDER-BOTTOM: medium none}IMG {    BORDER-RIGHT: medium none; PADDING-RIGHT: 0px; BORDER-TOP: medium none; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: medium none; PADDING-TOP: 0px;BORDER-BOTTOM: medium none}FORM {    BORDER-RIGHT: medium none; PADDING-RIGHT: 0px; BORDER-TOP: medium none; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; BORDER-LEFT: medium none; PADDING-TOP: 0px;BORDER-BOTTOM: medium none}TD {    FONT-SIZE: 12px}P {    FONT-SIZE: 12px}LI {    FONT-SIZE: 12px}SELECT {    FONT-SIZE: 12px}INPUT {    FONT-SIZE: 12px}TEXTAREA {    FONT-SIZE: 12px}SELECT {    BORDER-RIGHT: #49b8e3 1px solid; BORDER-TOP: #49b8e3 1px solid; BORDER-LEFT: #49b8e3 1px solid; BORDER-BOTTOM: #49b8e3 1px solid; BACKGROUND-COLOR: #e2f4ff}INPUT {    BORDER-RIGHT: #49b8e3 1px solid; BORDER-TOP: #49b8e3 1px solid; BORDER-LEFT: #49b8e3 1px solid; BORDER-BOTTOM: #49b8e3 1px solid; BACKGROUND-COLOR: #e2f4ff}TEXTAREA {    BORDER-RIGHT: #49b8e3 1px solid; BORDER-TOP: #49b8e3 1px solid; BORDER-LEFT: #49b8e3 1px solid; BORDER-BOTTOM: #49b8e3 1px solid; BACKGROUND-COLOR: #e2f4ff}.f14 {    FONT-SIZE: 14px}.lh19 {    LINE-HEIGHT: 19px}A:hover {    COLOR: #ff0000}.b1 {    BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid}.b2 {    BORDER-BOTTOM: #ffffff 1px solid}.b3 {    BORDER-RIGHT: #cfe9f8 5px solid; BORDER-TOP: #cfe9f8 5px solid; BORDER-LEFT: #cfe9f8 5px solid; BORDER-BOTTOM: #cfe9f8 5px solid}.cRed {    COLOR: #cc0000}.cGary {    COLOR: #6c6c6c}.cBlue {    COLOR: #066cd2}.linkBlankUl A:link {    COLOR: #000; TEXT-DECORATION: underline}.linkBlankUl A:visited {    COLOR: #000; TEXT-DECORATION: underline}.linkBlankUl A:active {    COLOR: #f00; TEXT-DECORATION: underline}.linkBlankUl A:hover {    COLOR: #f00; TEXT-DECORATION: underline}.linkBlank A:link {    COLOR: #000; TEXT-DECORATION: none}.linkBlank A:visited {    COLOR: #000; TEXT-DECORATION: none}.linkBlank A:active {    COLOR: #f00; TEXT-DECORATION: none}.linkBlank A:hover {    COLOR: #f00; TEXT-DECORATION: none}.linkRed {    COLOR: #7b0000}.linkRed A:link {    COLOR: #7b0000; text-: none}.linkRed A:visited {    COLOR: #7b0000; text-: none}.linkRed A:active {    COLOR: #7b0000; text-: underline}.linkRed A:hover {    COLOR: #7b0000; text-: underline}.linkBlue A:link {    COLOR: #003399; TEXT-DECORATION: underline}.linkBlue A:visited {    COLOR: #003399; TEXT-DECORATION: underline}.linkBlue A:active {    COLOR: #0268ce; TEXT-DECORATION: underline}.linkBlue A:hover {    COLOR: #0268ce; TEXT-DECORATION: underline}

HTML:

</STYLE> <SCRIPT language=javascript>   <!--function warnInvalid (theField, s)  {  newAlert(s);    theField.focus();    theField.select();    return false;  } function isNumber(s)  //字符串是否由數字構成  {    var digits = "0123456789";    var i = 0;    var sLength = s.length;     while ((i < sLength))    {      var c = s.charAt(i);      if (digits.indexOf(c) == -1) return false;      i++;    }         return true;  } function CheckNumeric(theField,s) //整數或小數  {    var ret = true;    var i;    var str=theField.value;    var Temp = new Number(str);         if (str.length == 0)    {      return warnInvalid (theField, s);      ret=false;    }         if (ret)    {      if (Temp.valueOf() != Temp.valueOf ())      {        return warnInvalid (theField, s);      }    }         return ret;  }function validateFormInfo(form)  {    var str    var SumTo    var srSum    var qzSum,InsuSum,TSum,yzSum,fySum         s=document.form1.select.selectedIndex+1;    srSum=document.form1.textfield.value;    if (s.length<1)    {     s=1;    }    qzSum=document.form1.textfield3.value;    InsuSum=document.form1.textfield2.value;    yzSum=document.form1.textfield22.value;    fySum=document.form1.textfield32.value;    TSum=srSum-qzSum-InsuSum;    /*newAlert_Top("sr="+srSum+"qz="+qzSum+"INsu="+InsuSum+"yz="+yzSum+"fy="+ fySum);*/         if (form == null) return true;     str = "請正確輸入收入金額！";    if (!CheckNumeric(form.elements ["textfield"],str)) return false; //收入金額         if (document.all.select.selectedIndex==0)    {     str = "請正確輸入社會保險費！";     if (!CheckNumeric(form.elements ["textfield2"],str)) return false; //各項社會保險費                    str = "請正確輸入起征額！";     if (!CheckNumeric(form.elements ["textfield3"],str)) return false; //起征額    }         if (document.all.select.selectedIndex==8)    {     str = "請正確輸入財產原值！";     if (!CheckNumeric(form.elements ["textfield22"],str)) return false; //各項社會保險費              str = "請正確輸入合理交易費用！";     if (!CheckNumeric(form.elements ["textfield32"],str)) return false; //起征額    }         switch (s)    {      case 1:          document.form1.textfield4.value=Rate1(TSum);        break;                         case 2:          document.form1.textfield4.value=Rate2(srSum);        break;               case 3:          document.form1.textfield4.value=Rate2(srSum);        break;             case 4:          document.form1.textfield4.value=Rate3(srSum);        break;             case 5:          document.form1.textfield4.value=R4568(srSum)*70/100;        break;               case 6:          document.form1.textfield4.value=R4568(srSum);        break;               case 7:          document.form1.textfield4.value=srSum*20/100;        break;               case 8:          document.form1.textfield4.value=R4568(srSum);        break;               case 9:        if (srSum-yzSum-fySum<0)        {         newAlert_Top("都虧了！不用交稅了！");           document.form1.textfield4.value=0;        }        if (srSum-yzSum-fySum>0)        {        document.form1.textfield4.value= (srSum-yzSum-fySum)*20/100;        }        break;               case 10:          document.form1.textfield4.value=srSum*20/100;        break;             case 11:          document.form1.textfield4.value=srSum*20/100;        break;           }               }//--------------------------------以下是算法-------------- //---------------------------------------function Rate1(XSum)//工資薪金  {  var Rate;  var Balan;  var TSum;  if (XSum<=500)   {Rate=5;   Balan=0;   }  if ((500<XSum) && (XSum<=2000))   {Rate=10;   Balan=25;   }  if ((2000<XSum) && (XSum<=5000))   {Rate=15;   Balan=125;   }  if ((5000<XSum) && (XSum<=20000))   {Rate=20;   Balan=375;   }  if ((20000<XSum) && (XSum<=40000))   {Rate=25;   Balan=1375;   }  if ((40000<XSum) && (XSum<=60000))   {Rate=30;   Balan=3375;   }  if ((60000<XSum) && (XSum<=80000))   {Rate=35;   Balan=6375;   }  if ((80000<XSum) && (XSum<=100000))   {Rate=40;   Balan=10375;   }  if (XSum>100000)   {Rate=45;   Balan=15375;   }   TSum=(XSum*Rate)/100-Balan   if (TSum<0)   {    TSum=0   }   return TSum  }   function Rate2(XSum)  {  var Rate;  var Balan;  var TSum;  if (XSum<=5000)   {Rate=5;   Balan=0;   }  if ((5000<XSum) && (XSum<=10000))   {Rate=10;   Balan=250;   }  if ((10000<XSum) && (XSum<=30000))   {Rate=20;   Balan=1250;   }  if ((30000<XSum) && (XSum<=50000))   {Rate=30;   Balan=4250;   }  if (50000<XSum)   {Rate=35;   Balan=6750;   }   TSum=(XSum*Rate)/100-Balan;   if (TSum<0)   {    TSum=0   }   return TSum  }   function R4568(XSum) { var TSum  if (XSum<=4000)  {  TSum=(XSum-2000)*20/100;  }  if (XSum>4000)  {  TSum=(XSum-(XSum*20/100))*20/100  }  if (TSum<0)  {    TSum=0  }  return TSum } function gong() { var qznum var ff qznum=document.form1.textfield3.value; ff=document.all.checkbox.checked; if (ff) { document.form1.textfield3.value=4000; } if (!ff) { document.form1.textfield3.value=2000; } } function Rate3(XSum)/*勞務報酬*/{ var TSum var Rate var Balan if (XSum<=20000) {  Rate=20;  Balan=0; } if ((XSum>20000) && (XSum<=50000)) {  Rate=30;  Balan=2000; } if (XSum>50000) {  Rate=40;  Balan=7000; } if (XSum<=4000) {  XSum=XSum-800; } if (XSum>4000) {  XSum=XSum-(XSum*20/100); }   TSum=XSum*Rate/100-Balan;   if (TSum<0) {  TSum=0 } return TSum}   function CHan(){ if (document.form1.select.selectedIndex==0) {  document.all.gongzi.style.display="block";  document.all.fei.style.display="block"; } if (document.form1.select.selectedIndex!=0) {  document.all.gongzi.style.display="none";  document.all.fei.style.display="none"; } if (document.form1.select.selectedIndex+1!=9) {  document.all.fei1.style.display="none"; } if (document.form1.select.selectedIndex+1==9) {  document.all.fei1.style.display="block"; }  }  //-->   </SCRIPT> <script type="text/javascript">var item=new Array(    new Array('銀行類工具（存款）',//<-- 大類名，下面幾行則為此類下的所有計算器    new Array(      new Array('通知存款計算器','http://finance.sina.com.cn/283/2005/0704/2.html'),//<-- 此2項分別為“計算器名”,“鏈接”      new Array('整存零取計算器','http://finance.sina.com.cn/283/2005/0711/24.html'),      new Array('最佳存款組合','http://finance.sina.com.cn/283/2005/0711/30.html'),      new Array('整(零)存整取計算器','http://finance.sina.com.cn/283/2005/0711/29.html'),      new Array('活期儲蓄計算器','http://finance.sina.com.cn/283/2005/0711/28.html')       //<-- 依次向下羅列，最后一行“)”后沒有“,”    )  ), //<-- 非結尾大類后有“,”   new Array('銀行類工具（貸款）',//<-- 另一個大類    new Array(      new Array('等額本息還款計算器','http://finance.sina.com.cn/283/2005/0704/3.html'),      new Array('等額本金還款計算器','http://finance.sina.com.cn/283/2005/0704/1.html'),      new Array('提前還貸計算器','http://finance.sina.com.cn/283/2005/0708/18.html'),      new Array('公積金貸款額度年限計算器','http://finance.sina.com.cn/283/2005/0704/6.html')//<-- 最后一行“)”后沒有“,”    )  ), //<-- 非結尾大類后有“,”   new Array('保險類工具',//<-- 另一個大類    new Array(      new Array('基本養老保險計算器','http://finance.sina.com.cn/283/2005/0704/10.html'),      new Array('基本醫療保險計算器','http://finance.sina.com.cn/283/2005/0708/11.html'),      new Array('工傷保險計算器','http://finance.sina.com.cn/283/2005/0704/5.html'),      new Array('失業保險','http://finance.sina.com.cn/283/2005/0708/16.html'),      new Array('住房公積金計算器','http://finance.sina.com.cn/283/2005/0711/23.html'),      new Array('退休時每月領取的養老保險金估算計算器','http://finance.sina.com.cn/283/2005/0708/20.html')    )  ),   new Array('股票類工具',//<-- 另一個大類    new Array(      new Array('股票收益計算器 ','http://finance.sina.com.cn/283/2005/0704/8.html')           )  ),   new Array('基金類工具',//<-- 另一個大類    new Array(      new Array('基金買賣計算器','http://finance.sina.com.cn/283/2005/0708/12.html')    )  ),   new Array('期貨類工具',//<-- 另一個大類    new Array(      new Array('期貨理財計算器 ','http://finance.sina.com.cn/283/2005/0708/14.html')    )  ),   new Array('債券類工具',//<-- 另一個大類    new Array(      new Array('債券收益率計算器','http://finance.sina.com.cn/283/2005/0711/25.html')    )  ),   new Array('外匯',//<-- 另一個大類    new Array(      new Array('外匯儲蓄計算器','http://finance.sina.com.cn/283/2005/0711/27.html'),      new Array('外匯兌換計算器','http://finance.sina.com.cn/283/2005/0711/26.html')    )  ),   new Array('稅務類',//<-- 另一個大類    new Array(      new Array('買房稅費計算器','http://finance.sina.com.cn/283/2005/0708/17.html'),      new Array('個人所得稅計算器','http://finance.sina.com.cn/283/2005/0704/4.html')           )  ),   new Array('理財規劃類',//<-- 另一個大類    new Array(      new Array('理財規劃計算器','http://finance.sina.com.cn/283/2005/0708/13.html'),      new Array('子女教育基金計算器','http://finance.sina.com.cn/283/2005/0711/21.html'),      new Array('投資收益計算器','http://finance.sina.com.cn/283/2005/0708/19.html'),      new Array('資產凈值計算器','http://finance.sina.com.cn/283/2005/0711/22.html'),      new Array('黃金理財計算器','http://finance.sina.com.cn/283/2005/0704/9.html')    )  ),  new Array('買車計算',//<-- 另一個大類    new Array(      new Array('購車綜合計算器','http://finance.sina.com.cn/283/2005/0708/15.html')    )  ),   new Array('購房計算',//<-- 另一個大類    new Array(      new Array('購房能力評估計算器','http://finance.sina.com.cn/283/2005/0704/7.html'),      new Array('提前還貸計算器','http://finance.sina.com.cn/283/2005/0708/18.html'),      new Array('稅費計算器','http://finance.sina.com.cn/283/2005/0708/17.html'),      new Array('公基金貸款額度年限計算器','http://finance.sina.com.cn/283/2005/0704/6.html'),      new Array('等額本金還款法計算器','http://finance.sina.com.cn/283/2005/0704/1.html'),      new Array('等額本息還款法計算器','http://finance.sina.com.cn/283/2005/0704/3.html')         )  )  ); //-------------- var img0 =new Image();img0.src="http://image2.sina.com.cn/cj/toolsjs/cj_jsq_lj_010.gif";var img1 =new Image();img1.src="http://image2.sina.com.cn/cj/tools4.gif"; function ShowItem (itemId){  for (var i = 0; i < item.length; i++)     {    eval('document.images["tImg' +i+ '"].src ="http://image2.sina.com.cn/cj/toolsjs/cj_jsq_lj_010.gif"');    eval('document.all.item' + i +'.style.display = "none"');    eval('document.all.menu' + i +'.style.background= "#1e86b0"');    eval('document.all.menu' + i +'.style.color= "#ffffff"');       }  eval('document.images["tImg' +itemId + '"].src ="http://image2.sina.com.cn/cj/toolsjs/cj_jsq_lj_011.gif"');  eval('document.all.item' + itemId +'.style.display = "block"');  eval('document.all.menu' + itemId +'.style.background= "#0268CE"');  eval('document.all.menu' +itemId+'.style.color= "#ffffff"');} </script> <META content="MSHTML 6.00.6000.16640" name=GENERATOR></HEAD><BODY bgColor=#ffffff topMargin=5 marginheight="5"><CENTER><TABLE cellSpacing=0 width=500> <FORM name=form1> <TBODY> <TR>  <TD height=1></TD></TR> <TR>  <TD>   <TABLE style="MARGIN-LEFT: 48px" cellSpacing=0 width=476 align=center>    <TBODY>    <TR>     <TD class=cBlue style="padding-: 7px" vAlign=bottom align=middle     height=39><FONT color=#ff00ff size=4> 個人所得稅計算公式      </FONT></TD></TR>    <TR>     <TD background="/OA/images/cj_jsq_lj_006.gif"    height=1></TD></TR></TBODY></TABLE>   <TABLE class=cBlue style="MARGIN: 18px 0px 10px 38px" cellSpacing=0>    <TBODY>    <TR>     <TD style="padding-: 2px">收入類型：</TD>     <TD><SELECT id=select onchange=CHan() name=select> <OPTION value=1       selected>工資、薪金所得<OPTION value=2>個體工商戶生產、經營所得<OPTION       value=3>對企事業單位的承包經營、承 租經營所得<OPTION value=4>勞務報酬所得<OPTION       value=5>稿酬所得<OPTION value=6>特許權使用所得<OPTION       value=7>利息、股息、紅利所得<OPTION value=8>財產租賃所得<OPTION       value=9>財產轉讓所得<OPTION value=10>偶然所得（如：中獎、中彩）<OPTION       value=11>被確定征稅的其他部分</OPTION></SELECT></TD></TR>    <TR>     <TD height=5></TD></TR>    <TR>     <TD></TD>     <TD>      <TABLE id=gongzi style="DISPLAY: block" cellSpacing=0       width="100%"><TBODY>       <TR>        <TD><!--<INPUT name=checkbox onclick=gong() type=checkbox value=checkbox>外籍人員及境外 工作的中國公民--></TD></TR></TBODY></TABLE></TD></TR>    <TR>     <TD height=10></TD></TR>    <TR>     <TD class=cBlue style="PADDING-TOP: 2px" width=60>收入金額：</TD>     <TD><INPUT id=textfield name=textfield> 元 </TD></TR>    <TR>     <TD height=12></TD></TR>    <TR>     <TD colSpan=2>      <TABLE class=cblue id=fei style="DISPLAY: block" cellSpacing=0      cellPadding=0 width="100%" border=0>       <TBODY>       <TR>        <TD>各項社會保險費： <INPUT id=textfield2 value=0 name=textfield2>        <BR></TD></TR>       <TR>        <TD height=12></TD></TR>       <TR>        <TD>起　　征　　額： <INPUT id=textfield3 value=2000        name=textfield3></TD></TR>       <TR>        <TD><br />注：根據稅收規定，個人所得     稅的起征點為2000元，2008年3月1日起施行。</TD></TR></TBODY></TABLE></TD></TR>    <TR>     <TD colSpan=2>      <TABLE class=cblue id=fei1 style="DISPLAY: none; MARGIN-LEFT: 43px"      cellSpacing=0 cellPadding=0 width="100%" border=0>       <TBODY>       <TR>        <TD align=right width=100>財產原值：</TD>        <TD><INPUT id=textfield22 value=0 name=textfield22></TD></TR>       <TR>        <TD height=5></TD></TR>       <TR>        <TD align=right width=100>合理交易費用：</TD>        <TD><INPUT id=textfield33 value=0       name=textfield32></TD></TR></TBODY></TABLE></TD></TR>    <TR>     <TD height=10></TD></TR>    <TR>     <TD></TD>     <TD><INPUT style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; BACKGROUND-IMAGE: url(http://image2.sina.com.cn/cj/toolsjs/cj_jsq_lj_015.gif); BORDER-LEFT: 0px; WIDTH: 47px;CURSOR: pointer; BORDER-BOTTOM: 0px; HEIGHT: 19px" onclick=validateFormInfo(this.form,1) type=button name=button>         </TD></TR></TBODY></TABLE></TD></TR> <TR>   <TD height=1></TD></TR> <TR>   <TD>     <TABLE style="MARGIN-LEFT: 48px" cellSpacing=0 width=476>       <TBODY>       <TR>         <TD class=cBlue style="padding-: 7px" vAlign=bottom           height=39>計算結果 </TD></TR>       <TR>         <TD background="/OA/images/cj_jsq_lj_006.gif"       height=1></TD></TR></TBODY></TABLE>     <TABLE class=cBlue style="MARGIN: 18px 0px 27px 13px" cellSpacing=0>       <TBODY>       <TR>         <TD class=cBlue style="PADDING-TOP: 2px" align=right           width=170>您應交納的個人所得稅 為：</TD>         <TD><INPUT id=textfield4 name=textfield4> 元 。</TD></TR></TBODY></TABLE></TD></TR></TBODY></FORM></TABLE></CENTER></BODY></HTML>

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