本文主要是介绍js-判断域名是否属于内外网（转），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
/*判断是否是内网IP*/
function isInnerIPFn(){// 获取当前页面urlvar curPageUrl = window.location.href;console.log('curPageUrl-0 '+curPageUrl);var reg1 = /(http|ftp|https|www):\/\//g;//去掉前缀curPageUrl =curPageUrl.replace(reg1,'');// console.log('curPageUrl-1 '+curPageUrl);var reg2 = /\:+/g;//替换冒号为一点curPageUrl =curPageUrl.replace(reg2,'.');// console.log('curPageUrl-2 '+curPageUrl);curPageUrl = curPageUrl.split('.');//通过一点来划分数组console.log(curPageUrl);var ipAddress = curPageUrl[0]+'.'+curPageUrl[1]+'.'+curPageUrl[2]+'.'+curPageUrl[3];var isInnerIp = false;//默认给定IP不是内网IP var ipNum = getIpNum(ipAddress); /** * 私有IP：A类 10.0.0.0 -10.255.255.255 * B类 172.16.0.0 -172.31.255.255 * C类 192.168.0.0 -192.168.255.255 * D类 127.0.0.0 -127.255.255.255(环回地址) **/ var aBegin = getIpNum("10.0.0.0"); var aEnd = getIpNum("10.255.255.255"); var bBegin = getIpNum("172.16.0.0"); var bEnd = getIpNum("172.31.255.255"); var cBegin = getIpNum("192.168.0.0"); var cEnd = getIpNum("192.168.255.255"); var dBegin = getIpNum("127.0.0.0"); var dEnd = getIpNum("127.255.255.255"); isInnerIp = isInner(ipNum,aBegin,aEnd) || isInner(ipNum,bBegin,bEnd) || isInner(ipNum,cBegin,cEnd) || isInner(ipNum,dBegin,dEnd); console.log('是否是内网:'+isInnerIp); return isInnerIp;
}
function getIpNum(ipAddress) {/*获取IP数*/ var ip = ipAddress.split("."); var a = parseInt(ip[0]); var b = parseInt(ip[1]); var c = parseInt(ip[2]); var d = parseInt(ip[3]); var ipNum = a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d; return ipNum;
} function isInner(userIp,begin,end){ return (userIp>=begin) && (userIp<=end);
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