<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> //设置图片上传后预览的div样式 <style type="text/css"> #preview, .img, img { width:200px; height:200px; } #preview { border:1px solid #000; } </style> </head> <body> <div id="preview"></div> <input type="file" onchange="preview(this)" /> //图片上传和预览 <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>