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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><br /><html><br /><head><br /><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><br /><title>測試JS擷取URL參數</title><br /><mce:script type="text/javascript"><!--<br />var url="http://www.csdn.net?id=1001&username=金牌會員&password=hello";</p><p>var parameters=null; //參數數組<br />/**<br /> * 擷取所有的URL參數，初始化參數數組<br /> */<br />function loadParameters(){<br />url = decodeURIComponent(url); //對URL進行解碼，因為URL可能會有亂碼問題<br />var index = url.indexOf("?")+1; //求參數的起始下標<br />var temp = url.substr(index); //擷取URL中所有的參數字串<br />parameters = temp.split("&");//以&分割參數字串得到參數數組<br />}<br />/**<br /> * 擷取某一個參數的值<br /> * @param {Object} key 參數名稱<br /> */<br />function getParameter(key){<br />var value=''; //參數的預設值為空白字串<br />//遍曆參數數組<br />for(var i = 0; i < parameters.length; i++ ){<br />var index = parameters[i].indexOf("=");<br />var _key= parameters[i].substring(0,index);<br />var _value= parameters[i].substring(index+1);<br /> if(_key.toUpperCase() == key.toUpperCase()) {<br /> value += _value;<br />}<br />}<br />return value;<br />}</p><p>function test(){<br />alert("使用者："+getParameter("username"));<br />alert("密碼："+getParameter("password"));<br />}</p><p>// --></mce:script><br /></head><br /><body onload="loadParameters(),test();"><br /></body><br /></html><br />
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