📄 file_upload.jsp
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<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="com.bcxy.util.*,java.util.*,com.bcxy.fileupload.*"%>
<jsp:useBean id="jw" scope="page" class="com.bcxy.db.JdbcWrapper" />
<HTML>
<HEAD>
<%
String uploadPath = SysUtil.getRealPath() + "/WEB-INF/upload/";
String tempName = "", errMsg = "", fileExt = "", name = "";
String allowFileList = "zip,rar,doc,txt";
long fileSize = 0;
String strLoad = request.getParameter("upload");
try{
if ("up".equals(strLoad)) {//验证会员上传
String upUser = com.bcxy.bbs.util.GCookie.getCookieValue(request, "UJBBUName", "guest");
if("guest".equals(upUser)){
out.print("<script>alert('只有会员才能上传文件！');</script>");
return;
}
FileUpload fu = new FileUpload();
//fu.setHeaderEncoding("UTF-8");
// 设置允许用户上传文件大小,单位:字节
fu.setSizeMax(2028001);
// 设置最多只允许在内存中存储的数据,单位:字节
fu.setSizeThreshold(102401);
// 设置一旦文件大小超过getSizeThreshold()的值时数据存放在硬盘的目录
fu.setRepositoryPath(uploadPath);
//设置允许上传文件扩展名
fu.setAllowedFilesList(allowFileList);
//开始读取上传信息
List fileItems = fu.parseRequest(request);
Iterator it = fileItems.iterator();
while(it.hasNext()){
FileItem item = (FileItem)it.next();
//忽略其他不是文件域的所有表单信息
if(!item.isFormField()){
name = item.getRealName();
fileSize = item.getSize();
if(name==null || "".equals(name) || fileSize==0){
continue;
}
fileExt = FileUtil.getFileExt(name);
tempName = DateUtil.getSimpleDate() + StringUtil.randomNum(8) + "." + fileExt;
uploadPath += tempName;
//System.out.println(uploadPath);//保存
item.write(uploadPath);
//写数据库记录
jw.executeUpdate("insert into " + com.bcxy.bbs.util.BBSConst.TABLE_FILEUPLOAD + "(name, filename, fileext, upuser, uptime, filesize, flag, downcount)" +
" values('"+tempName+"','"+name+"','"+fileExt+"','"+upUser+"','"+DateUtil.getLocalDate()+"',"+fileSize+",1,1)");
}
}
errMsg = "上传文件成功";
out.println("<script language=\"javascript\">");
out.println("parent.document.frames['Dvbbs_Composition'].document.body.innerText+='[download="+tempName+","+fileExt+","+fileSize+"]"+name+"[/download]'");
out.println("</script>");
}
}catch(FileUploadException se){
se.printStackTrace();
errMsg = "文件大小不能超过2M";
}catch(Exception e){
e.printStackTrace();
errMsg = "上传文件出错";
}
%>
<SCRIPT language="JavaScript" type="text/javascript">
function upload(f)
{
var filename = f.file.value.toLowerCase();
var accept = false;
accept |= (filename.indexOf('.zip')>-1);
accept |= (filename.indexOf('.rar')>-1);
accept |= (filename.indexOf('.doc')>-1);
accept |= (filename.indexOf('.txt')>-1);
if(!accept){
alert("请选择允许上传文件：.zip,.rar,.doc,.txt！");
f.file.focus();
return false;
}
f.submit.disabled = true;
return true;
}
</SCRIPT>
</HEAD>
<Link rel="stylesheet" type="text/css" href="forum.css">
<BODY style="background-color:transparent">
<FORM action="file_upload.jsp?upload=up" enctype="multipart/form-data" method="post" name="mainform" onsubmit="return upload(this);">
本地文件:<input name="file" size=40 type="file" value=""> <input type="submit" name="submit" value="确定">
<font color=red><%=errMsg%></font>
</FORM>
</BODY>
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