untitled-2.html

来自「基于ASP的SQL小区物业管理系统课程设计」· HTML 代码 · 共 50 行

HTML
50
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<!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" />
<title>无标题文档</title>
<SCRIPT LANGUAGE="JavaScript"> 
function numericCheck(){ 
nr1=document.form1.content.value; 
flg=0; 
str=""; 
spc="" 
arw=""; 
for (var i=0;i<nr1.length;i++){ 
cmp="0123456789" 
tst=nr1.substring(i,i+1) 
if (cmp.indexOf(tst)<0){ 
flg++; 
str+=" "+tst; 
spc+=tst; 
arw+="^"; 
} 
else{arw+="_";} 
} 
if (flg!=0){ 
if (spc.indexOf(" ")>-1) { 
str+="和空格"; 
} 
alert("这里只接受数字,发现" 
+flg+"个不可接受的字符:
"+str); 
return false; 
} 
} 
</SCRIPT>
</head>

<body>
<form id="form1" name="form1" method="post" action="#" onsubmit="return numericCheck();">
  <label>
  <input type="text" name="content" />
  </label>
  <p>
    <label>
    <input type="submit" name="Submit" value="提交" />
    </label>
  </p>
</form>
</body>
</html>

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