js当月水电气简单计算器- Javascript - 软晨网（RuanChen.com）

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Javascript 中的 js当月水电气简单计算器

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 205 ::

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JavaScript面象对象设计 javascript 双色球对奖器

一个可以计算当月水电气多少钱的计算器说明:输入各项后,在页面任意空白处点击鼠标,页面自动计算一次结果!，每项都必须填写，填0也可以

点击运行可以看到效果:

<script>function StorePage(){d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(keyit=window.open('http://www.365key.com/storeit.aspx?t='+escape(d.title)+'&u='+escape(d.location.href)+'&c='+escape(t),'keyit','scrollbars=no,width=475,height=575,left=75,top=20,status=no,resizable=yes'));keyit.focus();}</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><style type="text/css">
body{ font-size:12px; text-align: center;
}
td{font-size:12px;
}
.outtab
{ border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #CCCCCC; border-right-color: #CCCCCC; border-bottom-color: #CCCCCC; border-left-color: #CCCCCC;
}
#main
{ border: 1px solid #CCCCCC; width:600px; height:200px; text-align: left; padding: 10px;
}</style><script>
//数字型验证部分
// JavaScript Document
//控制输入的形式为数值
function CheckNum(thetxtNum)
{
var _value = thetxtNum.value;
var kc=window.event.keyCode;
if(kc==110 || kc==190)//如果是.
{
if(_value.length==0)//第一个不允许输入。
{ alert("不能以小数点开头！"); window.event.returnValue = false; return;
}
if(_value.indexOf(".")>=0)//如果已经存在.
{ //window.event.keyCode=8; alert("不能再次输入小数点！"); window.event.returnValue = false; return;
}
}
//alert(kc);
if( (kc>=48 && kc<=57) || (kc>=96 && kc<=105) || kc==110 || kc==190)//如果是数字 或 .
{
window.event.returnValue = true;
return;
}
else if(kc==8)//如果是退格
{
thetxtNum.select();
thetxtNum.value="";
thetxtNum.focus();
window.event.returnValue = false;
return;
}
else if(kc==13) { window.event.keyCode=9; window.event.returnValue = true; return; }
else if(kc==9 || kc==45 || kc==46 || kc==16 || kc==17 || kc==18 || kc==20 || (kc>=112 && kc<=123)) { window.event.returnValue = true; return; }
else
{
//window.event.keyCode=8;
alert("请输入数字！");
thetxtNum.value=0;
window.event.returnValue = false;
return;
}
}
//保留小数点后一位
function Transfer(thetxtNum)
{
var _value= parseFloat(thetxtNum.value);
if(isNaN(_value)) { return; }
thetxtNum.value = _value.toFixed(2);
}
////数字型验证部分-----end
//输入日期年月
function writeyearmonth()
{
var myDate = new Date();
myDate.getFullYear(); //获取完整的年份(4位,1970-????)
myDate.getMonth();
var rqstr="";
rqstr=myDate.getFullYear() +"年"+myDate.getMonth() +"月";
document.write (rqstr);
} </script>
<div id="main">
<ul> <li><script>writeyearmonth();</script></li> <li>水:起度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="s1" /> 止度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="s2" /> 单价 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="s3" /> 附加 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="s4" />
</li> <li>电:起度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="d1" /> 止度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="d2" /> 单价 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="d3" /> 附加 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="d4" />
</li> <li>气:起度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="q1" /> 止度 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="q2" /> 单价 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="q3" /> 附加 <input onkeydown="CheckNum(this)" onblur="dosum()" style="WIDTH: 50px" name="q4" />
</li> <li>说明:输入各项后,在页面任意空白处点击鼠标,页面自动计算一次结果! </li>
</ul>
<table cellspacing="0" bordercolordark="#ffffff" cellpadding="0" width="646" align="left" bordercolorlight="#000000" border="1"> <tbody> <tr> <td align="center" width="90">名称</td> <td align="center" width="90">起度(吨/度/方)</td> <td align="center" width="90">止度(吨/度/方)</td> <td align="center" width="90">数量(吨/度/方)</td> <td align="center" width="90">单价(元)</td> <td align="center" width="90">附加金额(元)</td> <td align="center" width="90">总金额(元)</td> </tr> <tr> <td align="center">水</td> <td id="a1" align="right"> </td> <td id="a2" align="right"> </td> <td id="a3" align="right"> </td> <td id="a4" align="right"> </td> <td id="a5" align="right"> </td> <td id="a6" align="right"> </td> </tr> <tr> <td align="center">电</td> <td id="b1" align="right"> </td> <td id="b2" align="right"> </td> <td id="b3" align="right"> </td> <td id="b4" align="right"> </td> <td id="b5" align="right"> </td> <td id="b6" align="right"> </td> </tr> <tr> <td align="center">气</td> <td id="c1" align="right"> </td> <td id="c2" align="right"> </td> <td id="c3" align="right"> </td> <td id="c4" align="right"> </td> <td id="c5" align="right"> </td> <td id="c6" align="right"> </td> </tr> <tr> <td align="left" colspan="6"><script>writeyearmonth();</script>合计(元)</td> <td id="hj" align="right"> </td> </tr> </tbody>
</table>
</div>
<script>
//计算输入结果到TD
function dosum()
{
var sum1,sum2,sum3,sum4;
var sl1,sl2,sl3;
sum1=0;sum2=0;sum3=0;sum4=0;
sl1=0;sl2=0;sl3=0;
var s1,s2,s3,s4,d1,d2,d3,d4,q1,q2,q3,q4;
s1=parseFloat(document.all.s1.value);//取值
s2=parseFloat(document.all.s2.value);
s3=parseFloat(document.all.s3.value);
s4=parseFloat(document.all.s4.value);
d1=parseFloat(document.all.d1.value);
d2=parseFloat(document.all.d2.value);
d3=parseFloat(document.all.d3.value);
d4=parseFloat(document.all.d4.value);
q1=parseFloat(document.all.q1.value);
q2=parseFloat(document.all.q2.value);
q3=parseFloat(document.all.q3.value);
q4=parseFloat(document.all.q4.value);
sl1=(s2-s1);//数量
sl2=(d2-d1);
sl3=(q2-q1);
sum1=sl1*s3+s4;//金额
sum2=sl2*d3+d4;
sum3=sl3*q3+q4;
sum4=sum1+sum2+sum3;
//输入出对应TD
document.all.a1.innerHTML=s1;
document.all.a2.innerHTML=s2;
document.all.a3.innerHTML=sl1;
document.all.a4.innerHTML=s3;
document.all.a5.innerHTML=s4;
document.all.a6.innerHTML=sum1;
document.all.b1.innerHTML=d1;
document.all.b2.innerHTML=d2;
document.all.b3.innerHTML=sl2;
document.all.b4.innerHTML=d3;
document.all.b5.innerHTML=d4;
document.all.b6.innerHTML=sum2;
document.all.c1.innerHTML=q1;
document.all.c2.innerHTML=q2;
document.all.c3.innerHTML=sl3;
document.all.c4.innerHTML=q3;
document.all.c5.innerHTML=q4;
document.all.c6.innerHTML=sum3;
document.all.hj.innerHTML=sum4;
}
</script>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

JavaScript面象对象设计 javascript 双色球对奖器

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