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博客园安装jQuery返回顶部代码教程

时间:2015-07-13 13:52:00      阅读:306      评论:0      收藏:0      [点我收藏+]

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博客园支持上传js文件,这给博主提供了很大的拓展空间,例如返回顶部的jQuery代码。

首先先上传返回顶部图片到博客园

topback.gif: 技术分享

技术分享

然后在scrolltopcontrol.js中找到topback.gif的地址,将其替换成上传至博客园中的文件地址(右键topback.gif → 复制链接地址)

scrolltopcontrol.js 代码:

var scrolltotop={
	setting:{
		startline:100, //起始行
		scrollto:0, //滚动到指定位置
		scrollduration:400, //滚动过渡时间
		fadeduration:[500,100] //淡出淡现消失
	},
	controlHTML:‘<img src="http://files.cnblogs.com/files/b1ta/topback.gif" style="width:54px; height:54px; border:0;" />‘, //返回顶部按钮
	controlattrs:{offsetx:30,offsety:80},//返回按钮固定位置
	anchorkeyword:"#top",
	state:{
		isvisible:false,
		shouldvisible:false
	},scrollup:function(){
		if(!this.cssfixedsupport){
			this.$control.css({opacity:0});
		}
		var dest=isNaN(this.setting.scrollto)?this.setting.scrollto:parseInt(this.setting.scrollto);
		if(typeof dest=="string"&&jQuery("#"+dest).length==1){
			dest=jQuery("#"+dest).offset().top;
		}else{
			dest=0;
		}
		this.$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($){
			var mainobj=scrolltotop;
			var iebrws=document.all;
			mainobj.cssfixedsupport=!iebrws||iebrws&&document.compatMode=="CSS1Compat"&&window.XMLHttpRequest;
			mainobj.$body=(window.opera)?(document.compatMode=="CSS1Compat"?$("html"):$("body")):$("html,body");
			mainobj.$control=$(‘<div id="topcontrol">‘+mainobj.controlHTML+"</div>").css({position:mainobj.cssfixedsupport?"fixed":"absolute",bottom:mainobj.controlattrs.offsety,right:mainobj.controlattrs.offsetx,opacity:0,cursor:"pointer"}).attr({title:"返回顶部"}).click(function(){mainobj.scrollup();return false;}).appendTo("body");if(document.all&&!window.XMLHttpRequest&&mainobj.$control.text()!=""){mainobj.$control.css({width:mainobj.$control.width()});}mainobj.togglecontrol();
			$(‘a[href="‘+mainobj.anchorkeyword+‘"]‘).click(function(){mainobj.scrollup();return false;});
			$(window).bind("scroll resize",function(e){mainobj.togglecontrol();});
		});
	}
};
scrolltotop.init();

 然后上传scrolltopcontrol.js和jquery.1.4.2-min.js

jquery.1.4.2-min.js 代码:过于冗长,如果实在不想复制的同学就直接下载吧,地址在代码后边。

//jquery.1.4.2-min.js 
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f(a[0],b):j}function z(){return(new Date).getTime()}function G(){return false}function U(){return true}function R(a,b,e){e[0].type=a;return c.event.handle.apply(b,e)}function S(a){var b,e=[],g=[],f=arguments,l,k,s,m,r,y;k=c.data(this,"events");if(!(a.liveFired===this||!k||!k.live||a.button&&a.type==="click")){a.liveFired=this;var B=k.live.slice(0);for(m=0;m<B.length;m++){k=B[m];k.origType.replace(da,"")===a.type?g.push(k.selector):B.splice(m--,1)}l=c(a.target).closest(g,a.currentTarget);r=0;for(y=
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c.fx.stop()},stop:function(){clearInterval(na);na=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){c.style(a.elem,"opacity",a.now)},_default:function(a){if(a.elem.style&&a.elem.style[a.prop]!=null)a.elem.style[a.prop]=(a.prop==="width"||a.prop==="height"?Math.max(0,a.now):a.now)+a.unit;else a.elem[a.prop]=a.now}}});if(c.expr&&c.expr.filters)c.expr.filters.animated=function(a){return c.grep(c.timers,function(b){return a===b.elem}).length};c.fn.offset="getBoundingClientRect"in
v.documentElement?function(a){var b=this[0];if(a)return this.each(function(f){c.offset.setOffset(this,a,f)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);var e=b.getBoundingClientRect(),g=b.ownerDocument;b=g.body;g=g.documentElement;return{top:e.top+(self.pageYOffset||c.support.boxModel&&g.scrollTop||b.scrollTop)-(g.clientTop||b.clientTop||0),left:e.left+(self.pageXOffset||c.support.boxModel&&g.scrollLeft||b.scrollLeft)-(g.clientLeft||b.clientLeft||
0)}}:function(a){var b=this[0];if(a)return this.each(function(y){c.offset.setOffset(this,a,y)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);c.offset.initialize();var e=b.offsetParent,g=b,f=b.ownerDocument,l,k=f.documentElement,s=f.body;g=(f=f.defaultView)?f.getComputedStyle(b,null):b.currentStyle;for(var m=b.offsetTop,r=b.offsetLeft;(b=b.parentNode)&&b!==s&&b!==k;){if(c.offset.supportsFixedPosition&&g.position==="fixed")break;l=f?f.getComputedStyle(b,
null):b.currentStyle;m-=b.scrollTop;r-=b.scrollLeft;if(b===e){m+=b.offsetTop;r+=b.offsetLeft;if(c.offset.doesNotAddBorder&&!(c.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(b.nodeName))){m+=parseFloat(l.borderTopWidth)||0;r+=parseFloat(l.borderLeftWidth)||0}g=e;e=b.offsetParent}if(c.offset.subtractsBorderForOverflowNotVisible&&l.overflow!=="visible"){m+=parseFloat(l.borderTopWidth)||0;r+=parseFloat(l.borderLeftWidth)||0}g=l}if(g.position==="relative"||g.position==="static"){m+=s.offsetTop;
r+=s.offsetLeft}if(c.offset.supportsFixedPosition&&g.position==="fixed"){m+=Math.max(k.scrollTop,s.scrollTop);r+=Math.max(k.scrollLeft,s.scrollLeft)}return{top:m,left:r}};c.offset={initialize:function(){var a=v.body,b=v.createElement("div"),e,g,f,l=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style=‘position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;‘><div></div></div><table style=‘position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;‘ cellpadding=‘0‘ cellspacing=‘0‘><tr><td></td></tr></table>";
a.insertBefore(b,a.firstChild);e=b.firstChild;g=e.firstChild;f=e.nextSibling.firstChild.firstChild;this.doesNotAddBorder=g.offsetTop!==5;this.doesAddBorderForTableAndCells=f.offsetTop===5;g.style.position="fixed";g.style.top="20px";this.supportsFixedPosition=g.offsetTop===20||g.offsetTop===15;g.style.position=g.style.top="";e.style.overflow="hidden";e.style.position="relative";this.subtractsBorderForOverflowNotVisible=g.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==l;a.removeChild(b);
c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,e=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;e+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:e}},setOffset:function(a,b,e){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var g=c(a),f=g.offset(),l=parseInt(c.curCSS(a,"top",true),10)||0,k=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
e,f);e={top:b.top-f.top+l,left:b.left-f.left+k};"using"in b?b.using.call(a,e):g.css(e)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),e=this.offset(),g=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();e.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;e.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;g.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;g.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:e.top-
g.top,left:e.left-g.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||v.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var e="scroll"+b;c.fn[e]=function(g){var f=this[0],l;if(!f)return null;if(g!==j)return this.each(function(){if(l=V(this))l.scrollTo(!a?g:c(l).scrollLeft(),a?g:c(l).scrollTop());else this[e]=g});else return(l=V(f))?"pageXOffset"in l?l[a?"pageYOffset":"pageXOffset"]:
c.support.boxModel&&l.document.documentElement[e]||l.document.body[e]:f[e]}});c.each(["Height","Width"],function(a,b){var e=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],e,false,"padding"):null};c.fn["outer"+b]=function(g){return this[0]?c.css(this[0],e,false,g?"margin":"border"):null};c.fn[e]=function(g){var f=this[0];if(!f)return g==null?null:this;if(c.isFunction(g))return this.each(function(l){var k=c(this);k[e](g.call(this,l,k[e]()))});return"scrollTo"in f&&f.document?
f.document.compatMode==="CSS1Compat"&&f.document.documentElement["client"+b]||f.document.body["client"+b]:f.nodeType===9?Math.max(f.documentElement["client"+b],f.body["scroll"+b],f.documentElement["scroll"+b],f.body["offset"+b],f.documentElement["offset"+b]):g===j?c.css(f,e):this.css(e,typeof g==="string"?g:g+"px")}});p.jQuery=p.$=c})(window);jQuery.easing.jswing=jQuery.easing.swing;
jQuery.extend(jQuery.easing,{def:"easeOutQuad",swing:function(p,j,u,t,o){return jQuery.easing[jQuery.easing.def](p,j,u,t,o)},easeInQuad:function(p,j,u,t,o){return t*(j/=o)*j+u},easeOutQuad:function(p,j,u,t,o){return-t*(j/=o)*(j-2)+u},easeInOutQuad:function(p,j,u,t,o){if((j/=o/2)<1)return t/2*j*j+u;return-t/2*(--j*(j-2)-1)+u},easeInCubic:function(p,j,u,t,o){return t*(j/=o)*j*j+u},easeOutCubic:function(p,j,u,t,o){return t*((j=j/o-1)*j*j+1)+u},easeInOutCubic:function(p,j,u,t,o){if((j/=o/2)<1)return t/
2*j*j*j+u;return t/2*((j-=2)*j*j+2)+u},easeInQuart:function(p,j,u,t,o){return t*(j/=o)*j*j*j+u},easeOutQuart:function(p,j,u,t,o){return-t*((j=j/o-1)*j*j*j-1)+u},easeInOutQuart:function(p,j,u,t,o){if((j/=o/2)<1)return t/2*j*j*j*j+u;return-t/2*((j-=2)*j*j*j-2)+u},easeInQuint:function(p,j,u,t,o){return t*(j/=o)*j*j*j*j+u},easeOutQuint:function(p,j,u,t,o){return t*((j=j/o-1)*j*j*j*j+1)+u},easeInOutQuint:function(p,j,u,t,o){if((j/=o/2)<1)return t/2*j*j*j*j*j+u;return t/2*((j-=2)*j*j*j*j+2)+u},easeInSine:function(p,
j,u,t,o){return-t*Math.cos(j/o*(Math.PI/2))+t+u},easeOutSine:function(p,j,u,t,o){return t*Math.sin(j/o*(Math.PI/2))+u},easeInOutSine:function(p,j,u,t,o){return-t/2*(Math.cos(Math.PI*j/o)-1)+u},easeInExpo:function(p,j,u,t,o){return j==0?u:t*Math.pow(2,10*(j/o-1))+u},easeOutExpo:function(p,j,u,t,o){return j==o?u+t:t*(-Math.pow(2,-10*j/o)+1)+u},easeInOutExpo:function(p,j,u,t,o){if(j==0)return u;if(j==o)return u+t;if((j/=o/2)<1)return t/2*Math.pow(2,10*(j-1))+u;return t/2*(-Math.pow(2,-10*--j)+2)+u},
easeInCirc:function(p,j,u,t,o){return-t*(Math.sqrt(1-(j/=o)*j)-1)+u},easeOutCirc:function(p,j,u,t,o){return t*Math.sqrt(1-(j=j/o-1)*j)+u},easeInOutCirc:function(p,j,u,t,o){if((j/=o/2)<1)return-t/2*(Math.sqrt(1-j*j)-1)+u;return t/2*(Math.sqrt(1-(j-=2)*j)+1)+u},easeInElastic:function(p,j,u,t,o){p=1.70158;var z=0,G=t;if(j==0)return u;if((j/=o)==1)return u+t;z||(z=o*0.3);if(G<Math.abs(t)){G=t;p=z/4}else p=z/(2*Math.PI)*Math.asin(t/G);return-(G*Math.pow(2,10*(j-=1))*Math.sin((j*o-p)*2*Math.PI/z))+u},easeOutElastic:function(p,
j,u,t,o){p=1.70158;var z=0,G=t;if(j==0)return u;if((j/=o)==1)return u+t;z||(z=o*0.3);if(G<Math.abs(t)){G=t;p=z/4}else p=z/(2*Math.PI)*Math.asin(t/G);return G*Math.pow(2,-10*j)*Math.sin((j*o-p)*2*Math.PI/z)+t+u},easeInOutElastic:function(p,j,u,t,o){p=1.70158;var z=0,G=t;if(j==0)return u;if((j/=o/2)==2)return u+t;z||(z=o*0.3*1.5);if(G<Math.abs(t)){G=t;p=z/4}else p=z/(2*Math.PI)*Math.asin(t/G);if(j<1)return-0.5*G*Math.pow(2,10*(j-=1))*Math.sin((j*o-p)*2*Math.PI/z)+u;return G*Math.pow(2,-10*(j-=1))*Math.sin((j*
o-p)*2*Math.PI/z)*0.5+t+u},easeInBack:function(p,j,u,t,o,z){if(z==undefined)z=1.70158;return t*(j/=o)*j*((z+1)*j-z)+u},easeOutBack:function(p,j,u,t,o,z){if(z==undefined)z=1.70158;return t*((j=j/o-1)*j*((z+1)*j+z)+1)+u},easeInOutBack:function(p,j,u,t,o,z){if(z==undefined)z=1.70158;if((j/=o/2)<1)return t/2*j*j*(((z*=1.525)+1)*j-z)+u;return t/2*((j-=2)*j*(((z*=1.525)+1)*j+z)+2)+u},easeInBounce:function(p,j,u,t,o){return t-jQuery.easing.easeOutBounce(p,o-j,0,t,o)+u},easeOutBounce:function(p,j,u,t,o){return(j/=
o)<1/2.75?t*7.5625*j*j+u:j<2/2.75?t*(7.5625*(j-=1.5/2.75)*j+0.75)+u:j<2.5/2.75?t*(7.5625*(j-=2.25/2.75)*j+0.9375)+u:t*(7.5625*(j-=2.625/2.75)*j+0.984375)+u},easeInOutBounce:function(p,j,u,t,o){if(j<o/2)return jQuery.easing.easeInBounce(p,j*2,0,t,o)*0.5+u;return jQuery.easing.easeOutBounce(p,j*2-o,0,t,o)*0.5+t*0.5+u}});
(function(p){function j(t){for(var o=["transform","WebkitTransform","MozTransform"],z;z=o.shift();)if(typeof t.style[z]!="undefined")return z;return"transform"}var u=p.fn.css;p.fn.css=function(t){if(typeof p.props.transform=="undefined"&&(t=="transform"||typeof t=="object"&&typeof t.transform!="undefined"))p.props.transform=j(this.get(0));if(t=="transform")t=p.props.transform;return u.apply(this,arguments)}})(jQuery);
(function(p){var j="deg";p.fn.rotate=function(o){var z=p(this).css("transform")||"none";if(typeof o=="undefined"){if(z)if((o=z.match(/rotate\(([^)]+)\)/))&&o[1])return o[1];return 0}if(o=o.toString().match(/^(-?\d+(\.\d+)?)(.+)?$/)){if(o[3])j=o[3];p(this).css("transform",z.replace(/none|rotate\([^)]*\)/,"")+"rotate("+o[1]+j+")")}};p.fn.scale=function(o){var z=p(this).css("transform");if(typeof o=="undefined"){if(z)if((o=z.match(/scale\(([^)]+)\)/))&&o[1])return o[1];return 1}p(this).css("transform",
z.replace(/none|scale\([^)]*\)/,"")+"scale("+o+")")};var u=p.fx.prototype.cur;p.fx.prototype.cur=function(){if(this.prop=="rotate")return parseFloat(p(this.elem).rotate());else if(this.prop=="scale")return parseFloat(p(this.elem).scale());return u.apply(this,arguments)};p.fx.step.rotate=function(o){p(o.elem).rotate(o.now+j)};p.fx.step.scale=function(o){p(o.elem).scale(o.now)};var t=p.fn.animate;p.fn.animate=function(o){if(typeof o.rotate!="undefined"){var z=o.rotate.toString().match(/^(([+-]=)?(-?\d+(\.\d+)?))(.+)?$/);
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(function(p){p.fn.quicksand=function(j,u,t){var o={duration:750,easing:"swing",attribute:"data-id",adjustHeight:"auto",useScaling:true,enhancement:function(){},selector:"> *"};p.extend(o,u);if(p.browser.msie||typeof p.fn.scale=="undefined")o.useScaling=false;var z;if(typeof u=="function")z=u;else if(typeof(t=="function"))z=t;return this.each(function(G){var U,R=[],S=p(j).clone(),L=p(this);G=p(this).css("height");var Z,ea=false,fa=p(L).offset(),T=[],V=p(this).find(o.selector);if(p.browser.msie&&p.browser.version.substr(0,
1)<7)L.html("").append(S);else{var c=0,oa=function(){if(!c){L.html(N.html());typeof z=="function"&&z.call(this);ea&&L.css("height",Z);o.enhancement(L);c=1}},J=L.offsetParent(),v=J.offset();if(J.css("position")=="relative"){if(J.get(0).nodeName.toLowerCase()!="body"){v.top+=parseFloat(J.css("border-top-width"));v.left+=parseFloat(J.css("border-left-width"))}}else{v.top-=parseFloat(J.css("border-top-width"));v.left-=parseFloat(J.css("border-left-width"));v.top-=parseFloat(J.css("margin-top"));v.left-=
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下载 返回顶部JS.zip 【包括所有代码以及图片】

上传完成之后在后台→设置 中找到页首Html代码,添加:

<script type="text/javascript" src="将这句话替换成你上传的 jquery.1.4.2-min.js 代码地址"></script>

 将src=" "中的内容替换成 jquery.1.4.2-min.js 代码地址

然后在页脚Html代码中添加:

<script type="text/javascript" src="将这句话替换成你上传的 scrolltopcontrol.js 代码地址"></script>

  同样的将src=" "中的内容替换成 scrolltopcontrol.js 代码地址

保存后就可以看到效果了。

技术分享

博客园安装jQuery返回顶部代码教程

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原文地址:http://www.cnblogs.com/b1ta/p/4642463.html

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