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70 lines
3.5 KiB
70 lines
3.5 KiB
2 years ago
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<script type="text/javascript" src="style/js/jquery.js"></script>
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<script type="text/javascript" src="style/lib/jquery/1.9.1/jquery.min.js"></script>
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<script type="text/javascript" src="style/lib/layer/2.1/layer.js"></script>
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<script type="text/javascript" src="style/lib/datatables/1.10.0/jquery.dataTables.min.js"></script>
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<script type="text/javascript" src="style/lib/ueditor/1.4.3/ueditor.config.js"></script>
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<script type="text/javascript" src="style/lib/ueditor/1.4.3/ueditor.all.min.js"></script>
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<script type="text/javascript" src="style/lib/ueditor/1.4.3/lang/zh-cn/zh-cn.js"></script>
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<!-- 新增编辑器引入文件 -->
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<link rel="stylesheet" href="style/kindeditor/themes/default/default.css"/>
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<script src="style/kindeditor/kindeditor-min.js"></script>
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<script src="style/kindeditor/lang/zh_CN.js"></script>
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<script language="javascript" src="style/js/check.js"> </script>
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<script type="text/javascript" src="style/js/laydate/laydate.js"></script>
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<div id="outerdiv" style="position:fixed;top:0;left:0;background:rgba(0,0,0,0.7);z-index:2;width:100%;height:100%;display:none;"><div id="innerdiv" style="position:absolute;"><img id="bigimg" src="" /></div></div>
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<script type="text/javascript">
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$(function(){
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$(".pimg").click(function(){
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var _this = $(this);//将当前的pimg元素作为_this传入函数
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imgShow("#outerdiv", "#innerdiv", "#bigimg", _this);
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});
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});
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function imgShow(outerdiv, innerdiv, bigimg, _this){
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var src = _this.attr("src");//获取当前点击的pimg元素中的src属性
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$(bigimg).attr("src", src);//设置#bigimg元素的src属性
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/*获取当前点击图片的真实大小，并显示弹出层及大图*/
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$("<img/>").attr("src", src).load(function(){
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var windowW = $(window).width();//获取当前窗口宽度
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var windowH = $(window).height();//获取当前窗口高度
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var realWidth = this.width;//获取图片真实宽度
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var realHeight = this.height;//获取图片真实高度
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var imgWidth, imgHeight;
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var scale = 0.8;//缩放尺寸，当图片真实宽度和高度大于窗口宽度和高度时进行缩放
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if(realHeight>windowH*scale) {//判断图片高度
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imgHeight = windowH*scale;//如大于窗口高度，图片高度进行缩放
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imgWidth = imgHeight/realHeight*realWidth;//等比例缩放宽度
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if(imgWidth>windowW*scale) {//如宽度扔大于窗口宽度
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imgWidth = windowW*scale;//再对宽度进行缩放
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}
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} else if(realWidth>windowW*scale) {//如图片高度合适，判断图片宽度
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imgWidth = windowW*scale;//如大于窗口宽度，图片宽度进行缩放
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imgHeight = imgWidth/realWidth*realHeight;//等比例缩放高度
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} else {//如果图片真实高度和宽度都符合要求，高宽不变
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imgWidth = realWidth;
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imgHeight = realHeight;
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}
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$(bigimg).css("width",imgWidth);//以最终的宽度对图片缩放
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var w = (windowW-imgWidth)/2;//计算图片与窗口左边距
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var h = (windowH-imgHeight)/2;//计算图片与窗口上边距
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$(innerdiv).css({"top":h, "left":w});//设置#innerdiv的top和left属性
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$(outerdiv).fadeIn("fast");//淡入显示#outerdiv及.pimg
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});
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$(outerdiv).click(function(){//再次点击淡出消失弹出层
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$(this).fadeOut("fast");
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});
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}
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</script>
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