获取url中的参数.html

var d = "http://food.cashier.m.test.ateyun.com/?weidian_id=1444&company_id=370";
		(function ($) {
			$.getUrlParam = function (name,reurl ) {
				var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
				var r = reurl.substr(1).match(reg);
				if (r != null) return unescape(r[2]); return null;
			}
		})(jQuery);
		var weidian_id     =  $.getUrlParam('weidian_id',d);
		alert(weidian_id);