js在不刷新页面情况下修改地址栏地址。
 1 //选择日期后改变地址栏
 2 var urlSearch = location.href;
 3 var unformatStr = changeURLArg(urlSearch, "depDate", "123");
 4 if (!!(window.history && history.pushState)) {
 5     history.replaceState(null, "", unformatStr);
 6 }
 7  
 8 function changeURLArg(url, arg, arg_val) {
 9     var pattern = arg + '=([^&]*)';
10     var replaceText = arg + '=' + arg_val;
11     if (url.match(pattern)) {
12         var tmp = '/(' + arg + '=)([^&]*)/gi';
13         tmp = url.replace(eval(tmp), replaceText);
14         return tmp;
15     } else {
16         if (url.match('[\?]')) {
17             return url + '&' + replaceText;
18         } else {
19             return url + '?' + replaceText;
20         }
21     }
22 }