JavaScript获取上传文件大小

lysongfei · 发表于 2013-2-7 19:54:36

<!doctype html public "-//w3c//dtd html 4.0 transitional//en"><html> <head> <title> new document </title> <meta name="generator" content="editplus"> <meta name="author" content=""> <meta name="keywords" content=""> <meta name="description" content=""> </head><script type="text/javascript"> function getFileSize(filePath) { var image=new Image(); image.dynsrc=filePath; alert(image.fileSize); } </script> <body> <INPUT TYPE="file" NAME="file" SIZE="30" onchange="getFileSize(this)"> </body> <script type="text/javascript">function getFileSize(fileObj){ var image=new Image(); image.dynsrc=fileObj.value; var size = image.fileSize || fileObj.files[0].fileSize; if(size > 100000){alert(size); } }</script><body><INPUT TYPE="file" NAME="file" SIZE="30" onchange="getFileSize(this.value)"></body></html>

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