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重量换算
时间： 2007-10-05 13:28:34 阅读次数：4359
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>飞飞Asp乐园|JsCode.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"> <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>
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