//给url填参数，用历史，可以保证不会刷新页面
function overrrideUrl(pageIndex) {
var url = window.location.href;var newUrl= changeURLArg(url, "p", pageIndex);
window.history.pushState({}, "", newUrl);
}
function changeURLArg(url, arg, arg_val) {
/// <summary>
/// url参数替换值
/// </summary>
/// <param name="url">目标url </param>
/// <param name="arg">需要替换的参数名称</param>
///<param name="arg_val">替换后的参数的值</param>
/// <returns>参数替换后的url </returns>
var pattern = arg + '=([^&]*)';
var replaceText = arg + '=' + arg_val;
if (url.match(pattern)) {
var tmp = '/(' + arg + '=)([^&]*)/gi';
tmp = url.replace(eval(tmp), replaceText);
return tmp;
} else {
if (url.match('[\?]')) {
return url + '&' + replaceText;
} else {
return url + '?' + replaceText;
}
}
return url + '\n' + arg + '\n' + arg_val;
}
//获取url中的参数
function getUrlParam(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
var r = window.location.search.substr(1).match(reg); //匹配目标参数
if (r != null) return unescape(r[2]); return null; //返回参数值
}