CSS+JS打造的黑白风格网页计算器
JavaScript版网页计算器，仿Vista风格，计算器中的按钮做的想当漂亮，由此也增加了对此计算器的专业好感。鼠标移在计算器上，有响应效果。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS+JS打造的黑白风格网页计算器丨电表控制器</title> <style> body,div,p,ul,li,input{margin:0;padding:0;} ul{list-style-type:none;} a{color:#fff;outline:none;text-decoration:none;} body{font:700 24px/1.5 Arial;} #calc{position:relative;width:300px;background:#000;margin:10px auto;} #calc p{color:#fff;text-align:right;font:12px/20px Arial;padding:0 5px;} #calc .f-text{border:0;width:290px;height:84px;text-align:right;font:700 50px/84px Arial;padding:0 5px;} #calc ul{position:relative;overflow:hidden;zoom:1;padding:0 0 17px 8px;} #calc ul li{float:left;width:63px;height:41px;margin:17px 10px 0 0;} #calc ul li a{display:block;width:63px;height:41px;line-height:41px;text-align:center;} #calc ul li a:hover{background-position:-63px 0;} #calc ul li.btn-1 a{background-position:0 -41px;} #calc ul li.btn-1 a:hover{background-position:-63px -41px;} #calc ul li.btn-2{position:absolute;top:174px;right:0;height:99px;} #calc ul li.btn-2 a{height:99px;line-height:99px;background-position:0 -164px;} #calc ul li.btn-2 a:hover{background-position:-63px -164px;} #calc ul li.btn-3{width:136px;} #calc ul li.btn-3 a{width:136px;background-position:0 -82px;} #calc ul li.btn-3 a:hover{background-position:0 -123px;} #formula{position:absolute;top:20px;background:none;border:0;font:700 12px/1.5 Arial;width:280px;padding:3px 15px 0 5px;text-align:right;} </style> <script> window.onload = function () { var oCalc = document.getElementById("calc"); var aA = oCalc.getElementsByTagName("a"); var aInput = oCalc.getElementsByTagName("input")[0]; var oFormula = document.getElementById("formula"); var s = false; var i = 0; for (i = 0; i < aA.length; i++){ aA[i].onfocus = function () { this.blur() }; aA[i].onclick = function () { switch(this.innerHTML) { case "c": aInput.value = 0; oFormula.value = ""; break; case "%": count("%") break; case "÷": count("/") break; case "×": count("*") break; case "-": count("-") break; case "+": count("+") break; case "=": s || (oFormula.value += aInput.value); aInput.value = eval(oFormula.value.replace(/\%\/\*\-\+/,'')); aInput.value = aInput.value.substr(0,10).replace("NaN",0); s = true; break; case ".": if(aInput.value.search(/[\.\%\/\*\-\+]/) != -1) break; default: s && (aInput.value = 0, oFormula.value = "", s = false); aInput.value.length < 10 && (aInput.value = (aInput.value + this.innerHTML).replace(/^[0\%\/\*\-\+](\d)/,"$1")); } } } function count(a) { if(s) { oFormula.value = aInput.value + a; aInput.value = a; s = false; } else { /[\%\/\*\-\+]$/.test(aInput.value) || (oFormula.value += aInput.value); aInput.value = a; /[\%\/\*\-\+]$/.test(oFormula.value) || (oFormula.value += aInput.value); oFormula.value = oFormula.value.slice(-1) != a ? oFormula.value.replace(/.$/,a) : oFormula.value } } } </script> </head> <body> <div id="calc"> <p>By - Ferris QQ:21314130</p> <input class="f-text" type="text" readonly="readonly" maxlength="9" value="0" /> <ul> <li class="btn-1"><a href="javascript:void(0)">c</a></li> <li class="btn-1"><a href="javascript:void(0)">%</a></li> <li class="btn-1"><a href="javascript:void(0)">÷</a></li> <li class="btn-1"><a href="javascript:void(0)">×</a></li> <li><a href="javascript:void(0)">7</a></li> <li><a href="javascript:void(0)">8</a></li> <li><a href="javascript:void(0)">9</a></li> <li class="btn-1"><a href="javascript:void(0)">-</a></li> <li><a href="javascript:void(0)">4</a></li> <li><a href="javascript:void(0)">5</a></li> <li><a href="javascript:void(0)">6</a></li> <li class="btn-1"><a href="javascript:void(0)">+</a></li> <li><a href="javascript:void(0)">1</a></li> <li><a href="javascript:void(0)">2</a></li> <li><a href="javascript:void(0)">3</a></li> <li class="btn-2"><a href="javascript:void(0)">=</a></li> <li class="btn-3"><a href="javascript:void(0)">0</a></li> <li><a href="javascript:void(0)">.</a></li> </ul> <input id="formula" type="text" readonly="readonly" value="" /> </div> </body> </html> <br><br><hr>
