js获取客户端ip地址

JS 搜狐接口

<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
<script type="text/javascript">
     document.write(returnCitySN["cip"] + ',' + returnCitySN["cname"])
</script>

Node.Js获取

使用request-ip库

npm i request-ip --save

const requestIp = require('request-ip');

const ipMiddleware = function(req, res, next) {
    const clientIp = requestIp.getClientIp(req); 
    next();
};