<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>JavaScript擷取路徑</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript">
function findPath()
{
//擷取當前網址
var curNetAddr = window.document.location.href;
alert("擷取當前網址:" + curNetAddr);
//擷取主機地址之後的目錄
var hostPath = window.document.location.pathname;
alert("擷取主機地址之後的目錄：" + hostPath);
//返回某個指定的字串值在字串中首次出現的位置
var count = curNetAddr.indexOf(hostPath);
alert("返回某個指定的字串值在字串中首次出現的位置：" + count);
//擷取主機地址
var hostAddr = curNetAddr.substring(0,count);
alert("擷取主機地址：" + hostAddr);
//擷取帶“/”的項目名
var projectName = hostPath.substring(0,hostPath.substr(1).indexOf('/')+1);
alert("擷取帶“/”的項目名：" + projectName);
//擷取項目路徑
var path = hostAddr + projectName;
alert("擷取項目路徑：" + path);
}
</script>
</head>
<body>
<div id="body_div">
<input type="button" id="btn" value="擷取路徑" onclick="findPath()"/>
</div>
</body>
</html>
