📄 upload.htm

📁 一些Acjax的控件简单应用学习实例

💻 HTM

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<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />	
	</head>
	<body width=120 height=50 bgcolor=white>
		<form action="../../../servletUpload" id="upload_frm" name="upload_frm" encType="multipart/form-data"  method="post" target="hidden_frame" >
			<table border=0 width=120 height=50>
				<tr>
					<td >
						<p ><font size="2">图片上传</font></p>
					</td>
				</tr>
				<tr>
					<td >
						<input id="img_path" name="img_path" type="file" maxlength="50" style="border: 1px solid #ccc" />
					</td>
				</tr>
				<tr>
					<td align=right>
						<input type="button" style=" border: 1px solid #ccc" value="上 传" onclick="javascript:check();">
						<input type="button" style=" border: 1px solid #ccc" value="取 消" onclick="javascript:parent.cancelUploadPic();">
					</td>
				</tr>
			</table>
			<iframe id="hidden_frame" name="hidden_frame" style="display:none"></iframe>
		</form>
	<body>	
</html>

<script type="text/javascript">    
function check()    
{    
//	cancelUploadPic
	var file=document.getElementById("img_path").value;
	var sps=file.split(".");
	if(!(sps[sps.length-1]=="jpg" ||sps[sps.length-1]=="gif"))
	{
		alert("文件格式为 ."+sps[sps.length-1] +" 不被许可，请选择.jsp .gif图片文件");
		document.getElementById("img_path").select();
	}
	else
	{
		upload_frm.submit();
	}

}    
</script>

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