How to get the url before jump in php
php method to get the url before jumping: 1. JAVASCRIPT client method to get the URL with QUESTRING parameter; 2. Regular analysis method, set or get the entire URL as a string, the code is [alert(window. location.href)].
php method to get the url before jump:
1: Get the JAVASCRIPT client of the URL with QUESTRING parameter Solution, equivalent to asp's request.querystring, PHP's $_GET
1. Function:
<Script language="javascript"> function GetRequest() { var url = location.search; //获取duurl中"?"符后的字串 var theRequest = new Object(); if (url.indexOf("?") !zhi= -1) { var str = url.substr(1); strs = str.split("&"); for(var i = 0; i < strs.length; i ++) { theRequest[strs[i].split("=")[0]]=(strs[i].split("=")[1]); } } return theRequest; } </Script>
2. Then get the corresponding parameter value by calling this function:
<Script language="javascript"> var Request = new Object(); Request = GetRequest(); var 参数1,参数2,参数3,参数N; 参数1 = Request[''参数1'']; 参数2 = Request[''参数2'']; 参数3 = Request[''参数3'']; 参数N = Request[''参数N'']; </Script>
Use this to obtain the parameter with the same name in the url string
2. Regular analysis method.
function GetQueryString(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i"); var r = window.location.search.substr(1).match(reg); if (r!=null) return (r[2]); return null; } alert(GetQueryString("参数名1")); alert(GetQueryString("参数名2")); alert(GetQueryString("参数名3"));
Other parameter acquisition introduction:
//Set or get the file name or path specified by the object.
alert(window.location.pathname);
//Set or get the entire URL as a string.
alert(window.location.href);
//Set or get the port number associated with the URL.
alert(window.location.port);
//Set or get the protocol part of the URL.
alert(window.location.protocol);
//Set or get the segment after the pound sign "#" in the href attribute.
alert(window.location.hash);
//Set or get the hostname and port number of location or URL.
alert(window.location.host);
//Set or get the part following the question mark in the href attribute.
alert(window.location.search);
Related learning recommendations: php programming (video)
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