Upfile FSO
2024-07-21 02:24:41
供稿：網友
<%@ page language = "c#" debug = "true" %>
<%@ import namespace = "system.io" %>
<script language = "c#" runat = "server">
public void uploadfile(object sender , eventargs e) {
//檢查上傳文件不為空
if(inputfile.postedfile.contentlength > 0) {
//設定上傳文件的保存路徑
string strsavedir = "./upload/";
string strname = inputfile.postedfile.filename;
//取得文件名(抱括路徑)里最后一個"."的索引
int intext = strname.lastindexof(".");
//取得文件擴展名
string strext = strname.substring(intext);
//這里我自動根據日期和文件大小不同為文件命名,確保文件名不重復
/*
datetime datnow = datetime.now;
string strnewname = datnow.dayofyear.tostring() + inputfile.postedfile.contentlength.tostring() + strext; */
//取得文件名(包括路徑)里最后一個"/"的索引
int intpath = strname.lastindexof("//");
//取得文件名(不包括路徑)
string strnewname = strname.substring(intpath);
//保存文件到你所要的目錄,這里是iis根目錄下的upload目錄.你可以改變.
//注意: 我這里用server.mappath()取當前文件的絕對目錄.在asp.net里"/"必須用"//"代替
inputfile.postedfile.saveas(server.mappath(strsavedir + strnewname));
//得到這個文件的相關屬性:文件名,文件類型,文件大小
labelupresult.text = "上傳成功！";
labelfilename.text = "文件源：" + strname;
labelfileext.text = "文件類型：" + inputfile.postedfile.contenttype + "( " + strext + " )";
labelfilesize.text = "文件大小：" + (inputfile.postedfile.contentlength / 1024).tostring() + " k byte(s)";
} else {
labelupresult.text = "請選擇你要上傳的文件！";
labelfilename.text = "";
labelfileext.text = "";
labelfilesize.text = "";
}
}
</script>
<html>
<head>
<title>上傳文件</title>
</head>
<body>
<div align="center">
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#eeeeee" id="autonumber1">
<form id="formfile" method="post" action="" enctype="multipart/form-data" runat="server">
<tr>
<td align="center">
<input type="file" id="inputfile" name="inputfile" runat="server" size="64">
</td>
</tr>
<tr>
<td align="center">
<input type="button" value="upload" onserverclick="uploadfile" id="button1" name="button1" runat="server">
</td>
</tr>
<tr>
<td align="center">
<asp:label id="labelupresult" runat="server" text="" font-bold="true" forecolor="#ff0000"/><br>
<asp:label id="labelfilename" runat="server" text="" font-bold="true" forecolor="#ff0000"/><br>
<asp:label id="labelfileext" runat="server" text="" font-bold="true" forecolor="#ff0000"/><br>
<asp:label id="labelfilesize" runat="server" text="" font-bold="true" forecolor="#ff0000"/><br>
</td>
</tr>
</form>
</table>
</div>
</body>
</html>
