標籤：color hang view element style doc das idt width
<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> //設定圖片上傳後預覽的div樣式 <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)"/> //圖片上傳和預覽 <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>
圖片上傳後即時預覽
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