<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <title>图片上传前的预览</title> <style type="text/css"> #preview, .img, img { width: 300px; height: 300px; } #preview { border: 1px solid #000; } </style> </head> <body> <div id="preview"></div> <input type="file" onchange="preview(this)" /> <script type="text/javascript"> function preview(file) { var prevDiv = document.getElementById('preview'); if (file.files && file.files[0]) { var reader = new FileReader(); reader.onload = function(evt){ prevDiv.innerHTML = '<img src="' + evt.target.result + '" />'; } reader.readAsDataURL(file.files[0]); }else { prevDiv.innerHTML = '<div class="img" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src=\'' + file.value + '\'"></div>'; } } </script> </body> </html>
版权声明:本文为博主原创文章,未经博主允许不得转载。
today lazy . tomorrow die .