var getRootPath=function () { //获取当前网址,如: http://localhost:8080/ems/Pages/Basic/Person.jsp var curWwwPath = window.document.location.href; //获取主机地址之后的目录,如: /ems/Pages/Basic/Person.jsp var pathName = window.document.location.pathname; var pos = curWwwPath.indexOf(pathName); //获取主机地址,如: http://localhost:8080 var localhostPath = curWwwPath.substring(0, pos); //获取带"/"的项目名,如:/ems var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1); return projectName; }; var projectName=getRootPath(); var scrolltotop={ //startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control //scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top). setting: {startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]}, controlHTML: '', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol" controlattrs: {offsetx:10, offsety:10}, //offset of control relative to right/ bottom of window corner anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links state: {isvisible:false, shouldvisible:false}, scrollup:function(){ if (!this.cssfixedsupport) //if control is positioned using JavaScript this.$control.css({opacity:0}) //hide control immediately after clicking it var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto) if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists dest=jQuery('#'+dest).offset().top else dest=0 this.$body.animate({scrollTop: dest}, this.setting.scrollduration); }, keepfixed:function(){ var $window=jQuery(window) var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety this.$control.css({left:controlx+'px', top:controly+'px'}) }, togglecontrol:function(){ var scrolltop=jQuery(window).scrollTop() if (!this.cssfixedsupport) this.keepfixed() this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false if (this.state.shouldvisible && !this.state.isvisible){ this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0]) this.state.isvisible=true } else if (this.state.shouldvisible==false && this.state.isvisible){ this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1]) this.state.isvisible=false } }, init:function(){ jQuery(document).ready(function($){ var mainobj=scrolltotop var iebrws=document.all mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body') mainobj.$control=$('