我该怎么实现验证通过。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Untitled Page</title>
<style>
#prof{border:1px solid red;
background-color: yellow;
color: #990020;
text-align: center;
width: 200px;height: 28px;}
</style>
</head>
<body>
<form action="4.21.html">
<caption><h2>身份验证程序</h2></caption>
<table>
<tr>
<td><label for="im">请输入你的身份证号</label></td>
<td><input type="text" id="im"></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="验证"></td>
</tr>
<tr>
<td>验证结果</td>
<td><div id="prof"></div></td>
</tr>
</table>
</form>
</body>
<script>
window.onload=function(){
document.getElementsByTagName("form")[0].onsubmit=function (){
return validate_form()};
function validate_form(){
var myId=document.getElementById("im");
var prf=document.getElementById("prof");
var myVu=myId.value;
if(myVu ==""){
prf.innerHTML="请输入身份证号！";
return false;
}
if(myVu.length!=18){
prf.innerHTML="身份证号长度不正确！";
return false;
}
var reg=/^[1-9]/;
if(!reg.test(myVu)){
prf.innerHTML="身份证号的第一位只能是1-9之间的数字！";
return false;
}
var reg1=/[\dxX]$/;
if(!reg1.test(myVu)){
prf.innerHTML="身份证号的最后一位不正确！";
return false;
}
var reg2=/^.d{16}.$/;
if(!reg2.test(myVu)){
prf.innerHTML="身份证号的第二位和最后一位之间出现了非数字字符！";
return false;
}
return true;
}
}
</script>
</html>
慕函数1257581浏览 613回答 0
0回答
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慕斯4360584
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慕斯4360584
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慕慕5436299
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