日期:2014-05-17 浏览次数:20650 次
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript"> function preImg(sourceId, targetId) { if (typeof FileReader === 'undefined') { alert('Your browser does not support FileReader...'); return; } var reader = new FileReader(); reader.onload = function(e) { var img = document.getElementById(targetId); img.src = this.result; } reader.readAsDataURL(document.getElementById(sourceId).files[0]); } </script> </head> <body> <form action=""> <input type="file" name="imgOne" id="imgOne" onchange="preImg(this.id,'imgPre');" /> <img id="imgPre" src="" style="display: block;" /> </form> </body> </html>