php验证码

WBOY
Release: 2016-06-23 13:36:27
Original
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<title>用户注册</title><meta http-equiv="Content-Type" content="text/html;charset=utf-8"><script language="javascript">function check(){	if(myform.username.value == "")	{		alert("用户名不能为空!");		myform.username.focus();		return false;	}	if(myform.pwd.value == "")	{		alert("密码不能为空!");		myform.pwd.focus();		return false;	}	if(myform.ccode.value == "")	{		alert("验证码不能为空!");		myform.ccode.focus();		return false;	}	return true;}</script>
Copy after login


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