日期:2014-05-16 浏览次数:20355 次
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
var ImgObj = new Image(),FileObj;
function CheckProperty(obj){
var AllowImgFileSize = 0,ImgFileSize=0;
FileObj = obj;
AllowImgFileSize = FileObj.getAttribute("imgSize");
if(ImgObj.readyState != "complete")
{
setTimeout("CheckProperty(FileObj)", 500);
return false;
}
ImgFileSize = Math.round(ImgObj.fileSize / 1024 * 100) / 100;
if(AllowImgFileSize < ImgFileSize)
alert("图片文件大小超过限制。请上传小于" + AllowImgFileSize + "KB的文件,当前文件大小为" + ImgFileSize + "KB");
}
function CheckImgSize(obj,imgSize){
var AllImgExt = ".jpg|.jpeg|.gif|.bmp|.png|";
FileObj = obj;
obj.setAttribute("imgSize",imgSize);
if(obj.value == "")
return false;
ImgObj.src = obj.value;
CheckProperty(obj);
}
</script>
</head>
<body>
<input type="file" name="file1" onchange="CheckImgSize(this,50)" />
<input type="file" name="file2" onchange="CheckImgSize(this,