js获取input处理
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-touch-fullscreen" content="yes">
<meta name="full-screen" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="format-detection" content="telephone=no">
<meta name="format-detection" content="address=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>无标题文档</title>
<style type="text/css">
body{margin: 0; padding: 0;}
#myform{ width: 200px; position: absolute; top:50%; left:50%; margin: -100px 0 0 -100px;}
#num{width: calc(100% - 8px); line-height: 2.0em;}
#btn{ width: 100%; margin: 20px 0 0 0; padding: 5px 0;}
#showValue{width: 100%; text-align: center; margin: 20px auto;}
</style>
</head>
<body>
<form id="myform" name="myform" method="post" action="">
<input type="text" name="num" id="num" value="202303020826" />
<input type="button" id="btn" name="button" value="获取" onclick="btns()" />
<div id="showValue"></div>
</form>
<script language="javascript">
function btns(){
var list={"00":"0","01":"9","02":"6","03":"5","04":"8","05":"1","06":"4","07":"5","08":"4","09":"5","10":"1","11":"8","12":"5","13":"3","14":"7","15":"5","16":"6","17":"5","18":"8","19":"3","20":"3","21":"9","22":"7","23":"4","24":"1","25":"7","26":"0","27":"4","28":"9","29":"4","30":"9","31":"8","32":"3","33":"4","34":"8","35":"7","36":"9","37":"3","38":"4","39":"8","40":"9","41":"6","42":"2","43":"2","44":"8","45":"3","46":"0","47":"2","48":"9","49":"8","50":"9","51":"9","52":"2","53":"2","54":"0","55":"1","56":"7","57":"8","58":"2","59":"7","60":"0","61":"5","62":"6","63":"4","64":"9","65":"6","66":"8","67":"3","68":"2","69":"4","70":"4","71":"7","72":"2","73":"9","74":"2","75":"5","76":"5","77":"5","78":"4","79":"5","80":"7","81":"2","82":"0","83":"5","84":"9","85":"8","86":"1","87":"6","88":"1","89":"5","90":"3","91":"2","92":"5","93":"0","94":"3","95":"4","96":"9","97":"6","98":"7","99":"4"}
var input=myform.num;
var inputValue=input.value;
var ivlength=inputValue.length;
var show=document.getElementById('showValue');
if(ivlength!=12){
show.innerHTML="格式不正确";
show.style.color="#f00";
}else if(isNaN(inputValue)){
show.innerHTML="格式必须为数字";
show.style.color="#f00";
}else{
var pw1=inputValue.slice(0,2)
var pw2=inputValue.slice(2,4)
var pw3=inputValue.slice(4,6)
var pw4=inputValue.slice(6,8)
var pw5=inputValue.slice(8,10)
var pw6=inputValue.slice(10,12)
show.innerHTML=list[pw1] + list[pw2] + list[pw3] + list[pw4] + list[pw5] + list[pw6];
//document.write(inputValue);
//alert(inputValue);
}
}
</script>
</body>
</html>