//獲取圖片原始寬度function getNaturalWidthAndHeight(img) {var image = new Image();image.src = img.src;return [image.width,image.height];}//點擊縮略圖彈出層，顯示原始圖片。//獲取class為tz_main_box下的所有p標簽下的圖片img$(".tz_main_box p>img").each(function (k, v) {$(this).unbind("click"); //解除綁定，防止彈出多次圖片層。$(this).click(function () {var img = v; //圖片對象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彈出層插件layer.open({type: 1,title: false,closeBtn: 0,area: [''+layerWidth+'px', '' + layerHeight + 'px'],skin: 'layui-layer-nobg', //沒有背景色shadeClose: true,closeBtn: 1, //顯示關閉按鈕content: "<center><img src='" + $(this).attr("src") + "'></center>"});});});