//获取图片原始宽度function getNaturalWidthAndHeight(img) {var image = new Image();image.src = img.src;return [image.width,image.height];}//点击缩略图弹出层，显示原始图片。//获取class为tz_main_box下的所有p标签下的图片img$(".tz_main_box p>img").each(function (k, v) {$(this).unbind("click"); //解除绑定，防止弹出多次图片层。$(this).click(function () {var img = v; //图片对象var imgArea = getNaturalWidthAndHeight(img);var layerWidth = imgArea[0]+ 5;if (layerWidth > 1080) {layerWidth = 1080; }var layerHeight = imgArea[1] + 5;if (layerHeight > 600) {layerHeight = 600;}//layer弹出层插件layer.open({type: 1,title: false,closeBtn: 0,area: [''+layerWidth+'px', '' + layerHeight + 'px'],skin: 'layui-layer-nobg', //没有背景色shadeClose: true,closeBtn: 1, //显示关闭按钮content: "<center><img src='" + $(this).attr("src") + "'></center>"});});});