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; //len = 2
          alert(a.search)
        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(window.location.href); //通過parseURL函數(shù)來解析當(dāng)前頁面的url；window.location.href可替換成任意要解析的url，如果直接寫其他的url，格式應(yīng)該字符串；
var search_obj = myURL.params;　　//該解析方式是將search的內(nèi)容解析為對象，方便進(jìn)行數(shù)據(jù)的調(diào)用；其他方法可以自行嘗試；
var url_post = myURL.post;　　//當(dāng)前頁面的端口號；