gusucode.com > asp+SQLServer网上书店系统设计(源代码+论文) > asp+SQLServer网上书店系统设计(源代码+论文)\网上书店asp+SQLServer\网上书店\login.asp

    <html>
<head>
<title>网上书城</title>
</head>
<body background="images\1.jpg" align="center">
<center>
<font size=7  face="华文行楷" color="#556677">求知书店</font>
<center>
<hr color="white">
<SCRIPT language=javascript id=clientEventHandlersJS>                                  
//函数名:chksafe                                  
//功能介绍:检查是否含有"'",'\\',"/"                                  
//参数说明:要检查的字符串                                  
//返回值:0:是  1:不是                                  
function chksafe(a)                                  
{	                                  
	return 1;                                  
/*	fibdn = new Array ("'" ,"\\", "、", ",", ";", "/");                                  
	i=fibdn.length;                                  
	j=a.length;                                  
	for (ii=0;ii<i;ii++)                                  
	{	for (jj=0;jj<j;jj++)                                  
		{	temp1=a.charAt(jj);                                  
			temp2=fibdn[ii];                                  
			if (tem';p1==temp2)                                  
			{	return 0; }                                  
		}                                  
	}                                  
	return 1;                                  
*/	                                  
}                                  
                                  
//函数名:chkspc                                  
//功能介绍:检查是否含有空格                                  
//参数说明:要检查的字符串                                  
//返回值:0:是  1:不是                                  
function chkspc(a)                                  
{                                  
	var i=a.length;                                  
	var j = 0;                                  
	var k = 0;                                  
	while (k<i)                                  
	{                                  
		if (a.charAt(k) != " ")                                  
			j = j+1;                                  
		k = k+1;                                  
	}                                  
	if (j==0)                                  
	{                                  
		return 0;                                  
	}                                  
	                                  
	if (i!=j)                                  
	{ return 2; }                                  
	else                                  
	{                                  
		return 1;                                  
	}                                  
}                                  
//函数名:fucCheckLength                                  
//功能介绍:检查字符串的长度                                  
//参数说明:要检查的字符串                                  
//返回值:长度值                                  
function fucCheckLength(strTemp)                                  
{                                  
	var i,sum;                                  
	sum=0;                                  
	for(i=0;i<strTemp.length;i++)                                  
	{                                  
		if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255))                                  
			sum=sum+1;                                  
		else                                  
			sum=sum+2;                                  
	}                                  
	return sum;                                  
}                                  
                                  
                                  
</SCRIPT>                                  
                                  
<SCRIPT language=javascript>                                  
                                  
function chkitem(str)                                  
{	                                  
	var strSource ="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";                                  
  var ch;                                  
  var i;                                  
  var temp;                                  
                                    
  for (i=0;i<=(str.length-1);i++)                                  
  {                                  
                                    
    ch = str.charAt(i);                                  
    temp = strSource.indexOf(ch);                                  
    if (temp==-1)                                   
    {                                  
     return 0;                                  
    }                                  
  }                                  
  if (strSource.indexOf(ch)==-1)                                  
  {                                  
    return 0;                                  
  }                                  
  else                                  
  {                                  
    return 1;                                  
  }                                   
                                  
                                  
}                                  
                                  
function FORM1_onsubmit()                                  
{                                  
	if (chkitem(document.FORM1.uid.value)==0)                                  
	{                                  
		alert("请输入正确的会员帐号。");                                  
		document.FORM1.uid.focus();                                  
		return false;                                  
	}                                  
	if ((document.FORM1.uid.vlaue=='') || (chkspc(document.FORM1.uid.value)==0)|| (chkspc(document.FORM1.uid.value)==2))                                  
	{                                  
		alert("请将会员帐号填写完整,且不能使用空格!");                                  
		document.FORM1.uid.focus();                                  
		return false;                                  
	}                                  
	if (chkitem(document.FORM1.pwd.value)==0)                                  
	{                                  
		alert("请将填写密码!");                                  
		document.FORM1.pwd.focus();                                  
		return false;                                  
	}                                  
                                                       
	if (fucCheckLength(document.FORM1.uid.value) <4 )                                  
	{                                  
		alert("会员帐号必须至少4位");                                  
		document.FORM1.uid.focus();                                  
		return false;                                  
	}                                  
                                  
}                                  
</SCRIPT>   
<form language=javascript name=FORM1 onsubmit="return FORM1_onsubmit()" method="post" action="login1.asp">
<p style="word-spacing: 0; margin-top: 0; margin-bottom: 0">
<font color="red">帐号:&nbsp;<INPUT maxLength=16 size=10 name=uid> </font> </p>                      <p style="word-spacing: 0; margin-top: 0; margin-bottom: 0">
<font color="red"><P>密码:&nbsp;<INPUT maxLength=16 size=10 name=pwd type="password"></P> </font> </p>     
  <p style="word-spacing: 0; margin-top: 0; margin-bottom: 0">                                  
<font color="#B0E8F8">  
  <P>  &nbsp; &nbsp;                          
<INPUT type=submit size=3 value=登录 name=Submit2 style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; FONT-SIZE: 12px; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid; BACKGROUND-COLOR: #ffcc44">                                  
<input type="button" value="注册" name="B1" onclick="window.location.href='register.htm';" style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; FONT-SIZE: 12px; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid; BACKGROUND-COLOR: #ffcc44">                 </P>     </font>                                        
 </p>                                        
</form>
</body>
</head>