function previewImg(obj) { var img = new Image(); img.src = obj.src; var height = img.height + 50; var width = img.width; var imgHtml = "<img src='" + obj.src + "' />"; layer.open({ type: 1, shade: 0.8, offset: 'auto', area: [width + 'px',height+'px'], shadeClose:true, scrollbar: false, title: "图片预览", content: imgHtml, cancel: function () { } }); }
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