JavaScript获取路径设计源码

时间：2021-05-13 08:12:15|栏目：JavaScript代码|点击：次

1、设计源码

 
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> 
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
 
<html> 
 
<head> 
 
<title>JavaScript获取路径</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() 
 
{ 
 
//获取当前网址 
 
var curNetAddr = window.document.location.href; 
 
alert("获取当前网址:" + curNetAddr); 
 
//获取主机地址之后的目录 
 
var hostPath = window.document.location.pathname; 
 
alert("获取主机地址之后的目录：" + hostPath); 
 
//返回某个指定的字符串值在字符串中首次出现的位置 
 
var count = curNetAddr.indexOf(hostPath); 
 
alert("返回某个指定的字符串值在字符串中首次出现的位置：" + count); 
 
//获取主机地址 
 
var hostAddr = curNetAddr.substring(0,count); 
 
alert("获取主机地址：" + hostAddr); 
 
//获取带“/”的项目名 
 
var projectName = hostPath.substring(0,hostPath.substr(1).indexOf('/')+1); 
 
alert("获取带“/”的项目名：" + projectName); 
 
//获取项目路径 
 
var path = hostAddr + projectName; 
 
alert("获取项目路径：" + path); 
 
} 
 
</script> 
 
</head> 
 
<body> 
 
<div id="body_div"> 
 
<input type="button" id="btn" value="获取路径" onclick="findPath()"/> 
 
</div> 
 
</body> 
 
</html>