这个应该很多网站都在使用，对用户体验较好，对SEO也有好处，今天我就把这个代码分享出来
<a href=javascript:window.open('http://shuqian.qq.com/post?from=3&title='+encodeURIComponent(document.title)+'&uri='+encodeURIComponent(document.location.href)+'&jumpback=2&noui=1','favit','');void(0)><img src="http://www.571free.com/tuijian/qq.gif" alt="QQ书签" border="0" height="16" width="16"></a>

<a href="javascript:u=location.href;t=document.title;c = %22%22 + (window.getSelection ? window.getSelection() : document.getSelection ? document.getSelection() : document.selection.createRange().text);var url=%22http://cang.baidu.com/do/add?it=%22+encodeURIComponent(t)+%22&iu=%22+encodeURIComponent(u)+%22&dc=%22+encodeURIComponent(c)+%22&fr=ien#nw=1%22;window.open(url,%22_blank%22,%22scrollbars=no,width=600,height=450,left=75,top=20,status=no,resizable=yes%22); void 0"><img src="http://www.571free.com/tuijian/baidu.gif" alt="百度搜藏" border="0" height="16" width="16"></a>

<a href="javascript:(function(){var a=window,b=document,c=encodeURIComponent,d=a.open('http://www.google.com/bookmarks/mark?op=edit&output=popup&bkmk='+c(b.location)+'&title='+c(b.title),'bkmk_popup','left='+((a.screenX||a.screenLeft)+10)+',top='+((a.screenY||a.screenTop)+10)+',height=420px,width=550px,resizable=1,alwaysRaised=1');a.setTimeout(function(){d.focus()},300)})();"><img src="http://www.571free.com/tuijian/google.gif" alt="Google书签" border="0" height="16" width="16"></a>

<a target=_self href="javascript:d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(vivi=window.open('http://vivi.sina.com.cn/collect/icollect.php?pid=free9.net&title='+escape(d.title)+'&url='+escape(d.location.href)+'&desc='+escape(t),'vivi','scrollbars=no,width=480,height=480,left=75,top=20,status=no,resizable=yes'));vivi.focus();" target="_blank"><img src="http://www.571free.com/tuijian/vivi.gif" alt="新浪ViVi" border="0" height="16" width="16"></a>
<a href="#" onclick="window.open('http://myweb.cn.yahoo.com/popadd.html?url='+encodeURIComponent(document.location.href)+'&title='+encodeURIComponent(document.title),
'Yahoo','scrollbars=yes,width=780,height=550,left=80,top=80,status=yes,resizable=yes');"><img src="http://www.571free.com/tuijian/yahoo.gif" alt="雅虎收藏" border="0" height="16" width="16"></a>

<a href="javascript:void((function(s,d,e){if(/xiaonei\.com/.test(d.location))return;var%20f='http://share.xiaonei.com/share/butt*****hare.do?link=',u=d.location,l=d.title,p=[e(u),'&title=',e(l)].join('');function%20a(){if(!window.open([f,p].join(''),'xnshare',['toolbar=0,status=0,resizable=1,width=626,height=436,left=',(s.width-626)/2,',top=',(s.height-436)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent));"><img src="http://www.571free.com/tuijian/renren.gif" alt="分享到校内人人网" border="0" height="16" width="16"></a>

<a href="javascript:d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(kaixin=window.open('http://www.kaixin001.com/~repaste/repaste.php?&rurl='+escape(d.location.href)+'&rtitle='+escape(d.title)+'&rcontent='+escape(d.title),'kaixin'));kaixin.focus();"><img src="http://www.571free.com/tuijian/kaixin001.gif" alt="转贴到开心网" border="0" height="16" width="16"></a>



其中如 /tuijian/kaixin001.gif这些地方需要修改成你自己的图片地址，注意了

参考网址：