一个重量换算js脚本代码，输入任意一个即可获得其他项的值，结合自己的需求来修改即可使用，实用的网页换算代码。
<html>
<head>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<meta name="keywords" content="武鸣人网站,武鸣信息网,武鸣本地网,武鸣信息资源平台,减肥,健身,励志,励志语录,js特效,网页特效,www.wuming.ren">
<meta name="description" content="欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。">
<title>重量换算js脚本代码_武鸣人</title>
<SCRIPT language=JScript type=text/JScript>
function WEIGHT_MEASURES() {
this.mTon = 1000
this.mKilogram = 1
this.mGram = 0.001
this.mMilligram = 0.000001
this.cJin = 0.5
this.cDan = 50
this.cLiang = 0.05
this.cQian = 0.005
this.avdpPound = 0.45359237
this.briTon = 2240 * this.avdpPound
this.usTon = 2000 * this.avdpPound
this.briCWT = 112 * this.avdpPound
this.usCWT = 100 * this.avdpPound
this.briStone = 14 * this.avdpPound
this.avdpOunce = this.avdpPound / 16
this.avdpDram= this.avdpPound / 256
this.avdpGrain = this.avdpPound / 7000
this.troyPound = 5760 * this.avdpGrain
this.troyOunce = 480 * this.avdpGrain
this.troyDWT = 24 * this.avdpGrain
this.troyGrain = this.avdpGrain
}
var weight_data = new WEIGHT_MEASURES();
function checkNum(str) {
for (var i=0; i<str.length; i++)
{
var ch = str.substring(i, i + 1)
if (ch!="." && ch!="+" && ch!="-" && ch!="e" && ch!="E" && (ch < "0" || ch > "9"))
{
alert("请输入有效的数字");
return false;
}
}
return true
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function normalize(what,digits) {
var str=""+what;
var pp=Math.max(str.lastIndexOf("+"),str.lastIndexOf("-"));
var idot=str.indexOf(".");
if (idot>=1)
{
var ee=(pp>0)?str.substring(pp-1,str.length):"";
digits+=idot;
if (digits>=str.length)
return str;
if (pp>0 && digits>=pp)
digits-=pp;
var c=eval(str.charAt(digits));
var ipos=digits-1;
if (c>=5)
{
while (str.charAt(ipos)=="9")
ipos--;
if (str.charAt(ipos)==".")
{
var nc=eval(str.substring(0,idot))+1;
if (nc==10 && ee.length>0)
{
nc=1;
ee="e"+(eval(ee.substring(1,ee.length))+1);
}
return ""+nc+ee;
}
return str.substring(0,ipos)+(eval(str.charAt(ipos))+1)+ee;
}
else
var ret=str.substring(0,digits)+ee;
for (var i=0; i<ret.length; i++)
if (ret.charAt(i)>"0" && ret.charAt(i)<="9")
return ret;
return str;
}
return str;
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function compute(obj,val,data) {
if (obj[val].value)
{
var uval=0;
uval = obj[val].value*data[val];
if( (uval >= 0) && (obj[val].value.indexOf("-") != -1) )
{
uval = -uval;
}
for (var i in data)
obj[i].value=normalize(uval/data[i],8);
}
}
function resetValues(form,data) {
for (var i in data)
form[i].value="";
}
function resetAll(form) {
resetValues(form,weight_data);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</SCRIPT>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
<!--欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。-->
<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<TABLE width="100%" border="0" cellPadding=0 cellSpacing=0 class="small">
<TBODY>
<TR>
<TD align="center" valign="top">
<FORM action="">
<br>
<table width="75%" border="0" cellspacing="0" cellpadding="0" class="small">
<tr>
<td> 可实现吨(Tonne)、公斤(Kilogram)、克(Gram)、毫克(Milligram)、市斤、担、两、钱、磅(Pound)、盎司(Ounce)、英钱(PennyWeight)、格令(Grain)、长吨(British long ton)、短吨(US short ton)、英担(British long hundredweight)、美担(US short hundredweight)、英石(Stone)、打兰(Dram)间的互转互换。</td>
</tr>
</table>
<TABLE cellSpacing=0 cellPadding=4 width="75%" class="small">
<TBODY>
<TR align="center">
<TD
colSpan=6><B> 公 制</B>
<HR SIZE=1>
</TD>
</TR>
<TR>
<TD noWrap align=right>吨</TD>
<TD align=left><INPUT size=12 name=mTon class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(mTon.value)) compute(this.form,mTon.name,weight_data)" type=button value=换算 class='SmallButton' name=mTon_bt></TD>
<TD noWrap align=right>公斤(kg)</TD>
<TD align=left><INPUT size=12 name=mKilogram class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(mKilogram.value)) compute(this.form,mKilogram.name,weight_data)" type=button value=换算 class='SmallButton' name=mKilogram_bt></TD>
</TR>
<TR>
<TD noWrap align=right>克(g)</TD>
<TD align=left><INPUT size=12 name=mGram class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(mGram.value)) compute(this.form,mGram.name,weight_data)" type=button value=换算 class='SmallButton' name=mGram_bt></TD>
<TD noWrap align=right>毫克(mg)</TD>
<TD align=left><INPUT size=12 name=mMilligram class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(mMilligram.value)) compute(this.form,mMilligram.name,weight_data)" type=button value=换算 class='SmallButton' name=mMilligram_bt></TD>
</TR>
<TR align="center">
<TD
colSpan=6><B><br>
市 制</B>
<HR SIZE=1>
</TD>
</TR>
<TR>
<TD noWrap align=right>市斤</TD>
<TD align=left><INPUT size=12 name=cJin class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(cJin.value)) compute(this.form,cJin.name,weight_data)" type=button value=换算 class='SmallButton' name=cJin_bt></TD>
<TD noWrap align=right>担</TD>
<TD align=left><INPUT size=12 name=cDan class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(cDan.value)) compute(this.form,cDan.name,weight_data)" type=button value=换算 class='SmallButton' name=cDan_bt></TD>
</TR>
<TR>
<TD noWrap align=right>两</TD>
<TD align=left><INPUT size=12 name=cLiang class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(cLiang.value)) compute(this.form,cLiang.name,weight_data)" type=button value=换算 class='SmallButton' name=cLiang_bt></TD>
<TD noWrap align=right>钱</TD>
<TD align=left><INPUT size=12 name=cQian class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(cQian.value)) compute(this.form,cQian.name,weight_data)" type=button value=换算 class='SmallButton' name=cQian_bt></TD>
</TR>
<TR align="center">
<TD
colSpan=6><B><br>
金 衡 制</B>
<HR SIZE=1>
</TD>
</TR>
<TR>
<TD noWrap align=right>金衡磅(lb t)</TD>
<TD align=left><INPUT size=12 name=troyPound class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(troyPound.value)) compute(this.form,troyPound.name,weight_data)" type=button value=换算 class='SmallButton' name=troyPound_bt></TD>
<TD noWrap align=right>金衡盎司(oz t)</TD>
<TD align=left><INPUT size=12 name=troyOunce class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(troyOunce.value)) compute(this.form,troyOunce.name,weight_data)" type=button value=换算 class='SmallButton' name=troyOunce_bt></TD>
</TR>
<TR>
<TD noWrap align=right>英钱(dwt)</TD>
<TD align=left><INPUT size=12 name=troyDWT class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(troyDWT.value)) compute(this.form,troyDWT.name,weight_data)" type=button value=换算 class='SmallButton' name=troyDWT_bt></TD>
<TD noWrap align=right>金衡格令</TD>
<TD align=left><INPUT size=12 name=troyGrain class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(troyGrain.value)) compute(this.form,troyGrain.name,weight_data)" type=button value=换算 class='SmallButton' name=troyGrain_bt></TD>
</TR>
<TR align="center">
<TD
colSpan=6><B><br>
常 衡 制</B>
<HR SIZE=1>
</TD>
</TR>
<TR>
<TD noWrap align=right>(英制)长吨</TD>
<TD align=left><INPUT size=12 name=briTon class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(briTon.value)) compute(this.form,briTon.name,weight_data)" type=button value=换算 class='SmallButton' name=briTon_bt></TD>
<TD noWrap align=right>(美制)短吨</TD>
<TD align=left><INPUT size=12 name=usTon class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(usTon.value)) compute(this.form,usTon.name,weight_data)" type=button value=换算 class='SmallButton' name=usTon_bt></TD>
</TR>
<TR>
<TD noWrap align=right>英担(cwt)</TD>
<TD align=left><INPUT size=12 name=briCWT class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(briCWT.value)) compute(this.form,briCWT.name,weight_data)" type=button value=换算 class='SmallButton' name=briCWT_bt></TD>
<TD noWrap align=right>美担(cwt)</TD>
<TD align=left><INPUT size=12 name=usCWT class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(usCWT.value)) compute(this.form,usCWT.name,weight_data)" type=button value=换算 class='SmallButton' name=usCWT_bt></TD>
</TR>
<TR>
<TD noWrap align=right>英石</TD>
<TD align=left><INPUT size=12 name=briStone class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(briStone.value)) compute(this.form,briStone.name,weight_data)" type=button value=换算 class='SmallButton' name=briStone_bt></TD>
<TD noWrap align=right>磅(lb)</TD>
<TD align=left><INPUT size=12 name=avdpPound class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(avdpPound.value)) compute(this.form,avdpPound.name,weight_data)" type=button value=换算 class='SmallButton' name=avdpPound_bt></TD>
</TR>
<TR>
<TD noWrap align=right>盎司(oz)</TD>
<TD align=left><INPUT size=12 name=avdpOunce class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(avdpOunce.value)) compute(this.form,avdpOunce.name,weight_data)" type=button value=换算 class='SmallButton' name=avdpOunce_bt></TD>
<TD noWrap align=right>打兰(dr)</TD>
<TD align=left><INPUT size=12 name=avdpDram class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(avdpDram.value)) compute(this.form,avdpDram.name,weight_data)" type=button value=换算 class='SmallButton' name=avdpDram_bt></TD>
</TR>
<TR>
<TD noWrap align=right>格令</TD>
<TD align=left><INPUT size=12 name=avdpGrain class="SmallInput"></TD>
<TD align=left><INPUT onclick="if (checkNum(avdpGrain.value)) compute(this.form,avdpGrain.name,weight_data)" type=button value=换算 class='SmallButton' name=avdpGrain_bt></TD>
<TD clospan="3"></TD>
</TR>
</TBODY>
</TABLE>
<br>
<div align="center">
<INPUT onclick=resetAll(this.form) type=button value=数据重置 class='SmallButton' name=res7>
</div>
</FORM></TD>
</TR>
</TBODY>
</TABLE>
</body>
</html>本文来自武鸣人网站，转载请注明出处