重量换算-梅花弄笛

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重量换算

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加入收藏 来源：本站原创时间：2009-1-22 14:48:01 浏览：本文所属：网页特效

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|meihuand.CN|---度衡量换算 -- 重量换算</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
}
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;
}
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); 
}
</SCRIPT>
</head>
<body class="bodycolor" topmargin="2" >
  <table width="100%" border="0" cellPadding=0 cellSpacing=0 class="small">
        <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">
                          <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>
        </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>
  </table>
</body>
</html>

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