js验证时间、ip地址、数字、mac地址函数
<div class="content text-content clearfix">js验证时间函数function check_time(e1)
{
chkstr=e1.value;
var pattern="/^(()|()|()|())(:())$/"
eval("var pattern=" + pattern);
var add_p1 = pattern.test(chkstr);
return add_p1;
}
function checknull(none) {
if (none != '') { return false }
return true
}
js验证数字函数
function checknum(num)
{
var num_length=num.length
var num_letters="1234567890"
for (p=0; p < num_length; p++)
{
var num_char = num.charAt(p)
if (num_letters.indexOf(num_char) == -1)
{
return false
}
}
if (num < 1 || num > 10000) { return false }
return true
}
js验证ip地址函数
function checkip(ip)
{
var pcount = 0
var ip_length = ip.length
var ip_letters = "1234567890."
for (p=0; p < ip_length; p++)
{
var ip_char = ip.charAt(p)
if (ip_letters.indexOf(ip_char) == -1)
{
return false
}
}
for (var u = 0; u < ip_length; u++) { (ip.substr(u,1) == ".") ? pcount++ : pcount }
if(pcount != 3) { return false }
firstp = ip.indexOf(".")
lastp = ip.lastIndexOf(".")
str1 = ip.substring(0,firstp)
ipstr_tmp = ip.substring(0,lastp)
secondp = ipstr_tmp.lastIndexOf(".")
str2 = ipstr_tmp.substring(firstp+1,secondp)
str3 = ipstr_tmp.substring(secondp+1,lastp)
str4 = ip.substring(lastp+1,ip_length)
if (str1 == '' || str2 == '' || str3 == '' || str4 == '') { return false }
if (str1.length > 3 || str2.length > 3 || str3.length > 3 || str4.length > 3) { return false }
if (str1 <= 0 || str1 > 255) { return false }
else if (str2 < 0 || str2 > 255) { return false }
else if (str3 < 0 || str3 > 255) { return false }
else if (str4 < 0 || str4 > 255) { return false }
return true
}
js验证mac地址函数
function check_mac(e1)
{
chkstr=e1.value;
var pattern="/^({2})(-{2}){5}|({2})(:{2}){5}/";
eval("var pattern=" + pattern);
var add_p1 = pattern.test(chkstr);
if(add_p1==false)
{
alert("你输入的MAC地址不正确。");
}
return add_p1;
}
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