jquery放大镜效果超漂亮噢_jquery

程序员文章站 2024-01-07 18:23:40

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这个放大镜的代码挺简单滴效果也不错。

/*
Enlarge for jQuery v1.0
Abel Yao, 2013
*/
(function(e){var i={shadecolor:"#FFD24D",shadeborder:"#FF8000",shadeopacity:.5,cursor:"move",layerwidth:400,layerheight:300,layerborder:"#DDD",fade:true,largewidth:1280,largeheight:960};var t=function(t){t=e.extend({},i,t);e(this).each(function(){var i=e(this).css("position","relative");var h=i.children().first();var r={x:h.width()/t.largewidth,y:h.height()/t.largeheight};var o={shade:{width:t.layerwidth*r.x-2,height:t.layerheight*r.y-2}};var a=e("

").css({position:"absolute",left:"0px",top:"0px","background-color":t.shadecolor,border:"1px solid "+t.shadeborder,width:o.shade.width,height:o.shade.height,opacity:t.shadeopacity,cursor:t.cursor});a.hide().appendTo(i);var d=e(" jquery放大镜效果超漂亮噢_jquery

").css({position:"absolute",display:"block",width:t.largewidth,height:t.largeheight});var s=e("

").css({position:"absolute",left:i.width()+5,top:0,"background-color":"#111",overflow:"hidden",width:t.layerwidth,height:t.layerheight,border:"1px solid "+t.layerborder});d.attr("src",i.attr("href"));d.appendTo(s);s.hide().appendTo(i);var n={x:o.shade.width/2,y:o.shade.height/2};var l={width:i.innerWidth()-a.outerWidth(),height:i.innerHeight()-a.outerHeight()};var g=function(){a.show();if(t.fade)s.stop().fadeIn(300);else s.show()};var c=function(){a.hide();s.hide()};var f=i.offset();i.mousemove(function(e){var t=e.pageX-f.left;var h=e.pageY-f.top;if(ti.innerWidth())return c();if(hi.innerHeight())return c();t=t-n.x;h=h-n.y;if(tl.width)t=l.width;if(h>l.height)h=l.height;a.css({left:t,top:h});d.css({left:0-t/r.x,top:0-h/r.y})}).mouseenter(g).mouseleave(c)})};e.fn.extend({enlarge:t})})(jQuery);

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