jQuery实现点击查看大图并以弹框的形式居中，实现的关键代码如下所示：
*{margin:0;padding:0;} .tab_bg{display:none;width:100%;height:100%;background:#282829;z-index:99;position:absolute;} .tab_img{width:100px;height:100px;margin:20px;} .tab_img img{width:100%;height:100%;} .bigImg{display:none;width:300px;height:300px;z-index:999;position:absolute;left:50%;margin-top:-150px;margin-left:-150px;} .bigImg img{width:100%;height:100%;} .close{display:none;width:20px;height:20px;border-radius:100%;border:1px solid #ccc;text-align:center;cursor:pointer;position:absolute;right:10px;top:10px;z-index:999;color:#fff} li{height:300px;}
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var $height=$(window).height(); $(".tab_bg").height($height); function imgEnlarge(small){ $(small).on("click",function(){ var $big=document.createElement("div"); $($big).attr("class","bigImg"); $($big).appendTo($("body")); var $img=document.createElement("img"); $($img).attr("src",$(this).find("img").attr("src")); $($img).appendTo($big); $(this).css("display","none"); $(".tab_bg").css("display","block"); $(".close").css("display","block"); $($big).fadeIn(); $(window).bind("scroll",function(){return false}); var top1=$(window).scrollTop(); $(window).scrollTop(top1); $(".tab_bg").css("top",top1); $("body").css("overflow","hidden"); $(".bigImg").css("top",top1+$height/2); }); $(".close").on("click",function(){ $(this).css("display","none"); $(small).css("display","block"); $(".tab_bg").css("display","none"); $(".bigImg").css("display","none"); $("body").css("overflow","auto"); }) } $(".tab_img").each(function(){ imgEnlarge($(this)); })
以上所述是小编给大家介绍的jQuery实现点击查看大图并以弹框的形式居中，希望对大家有所帮助，如果大家有任何疑问请给我们留言，小编会及时回复大家的。在此也非常感谢大家对查字典教程网的支持！