一个非常全面的javascript URL解析函数和分段URL解析方法

myURL.file='index.html'

myURL.hash= 'top'

myURL.host= 'abc.com'

myURL.query= '?id=255&m=hello'

myURL.params= Object = { id: 255, m: hello }

myURL.path= '/dir/index.html'

myURL.segments= Array = ['dir', 'index.html']

myURL.port= '8080'

myURL.protocol= 'http'

myURL.source= 'http://abc.com:8080/dir/index.html?id=255&m=hello#top'

*/ 
function parseURL(url) { 
 var a =  document.createElement('a'); 
 a.href = url; 
 return { 
 source: url, 
 protocol: a.protocol.replace(':',''), 
 host: a.hostname, 
 port: a.port, 
 query: a.search, 
 params: (function(){ 
     var ret = {}, 
         seg = a.search.replace(/^\?/,'').split('&'), 
         len = seg.length, i = 0, s; 
     for (;i<len;i++) { 
         if (!seg[i]) { continue; } 
         s = seg[i].split('='); 
         ret[s[0]] = s[1]; 
     } 
     return ret; 
 })(), 
 file: (a.pathname.match(/\/([^\/?#]+)$/i) || [,''])[1], 
 hash: a.hash.replace('#',''), 
 path: a.pathname.replace(/^([^\/])/,'/$1'), 
 relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [,''])[1], 
 segments: a.pathname.replace(/^\//,'').split('/') 
 }; 
}   

//var myURL = parseURL('http://abc.com:8080/dir/index.html?id=255&m=hello#top'); 
var myURL = parseURL('http://localhost:8080/test/mytest/toLogina.ction?m=123&pid=abc'); 
alert(myURL.path); 
alert(myURL.params.m); 
alert(myURL.params.pid); 
</script>