📄 upfile2.jsp
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<%@ page contentType="text/html; charset=GBK" %>
<%@include file="..\const\global.jsp"%>
<%@ page import="java.io.*"%>
<%@ page import="java.util.*"%>
<%@ page import="javax.servlet.*"%>
<%@ page import="javax.servlet.http.*"%>
<html>
<head>
<link rel="stylesheet" href="../css/style.css" type="text/css">
<title>upFile</title>
</head>
<body background="../image/backg2.gif">
<%
String StrMsg="";
try{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
sqlCon = java.sql.DriverManager.getConnection(ConnStr,ConnUser,ConnPassword);
sqlStmt = sqlCon.createStatement();
//生成上传文件号
String file_Num="";
strSQL = "select getdate() ";
sqlRst = sqlStmt.executeQuery(strSQL);
if(sqlRst.next()){
file_Num=sqlRst.getString(1)+"000";
file_Num=file_Num.replaceAll(" ","").replaceAll(":","").replaceAll("-","");
file_Num=file_Num.substring(0,14)+file_Num.substring(15,18);
}
sqlRst.close();
//定义上载文件的最大字节
int MAX_SIZE = 10485760;// 102400 * 102400;
// 创建根路径的保存变量
//声明文件读入类
DataInputStream in = null;
FileOutputStream fileOut = null;
//取得客户端的网络地址
String remoteAddr = request.getRemoteAddr();
//获得服务器的名字
String serverName = request.getServerName();
//取得jsp文件相对与根地址的地址
//取得互联网程序的绝对地址
String realPath = request.getRealPath("\\");
realPath=realPath+"filesys\\filedb\\"; ////////////////////修改路径
//取得客户端上传的数据类型
String contentType = request.getContentType();
//out.println("<p>客户端上传的数据类型 = " + contentType + "</p>");
if(contentType.indexOf("multipart/form-data") >= 0)
{
//读入上传的数据
in = new DataInputStream(request.getInputStream());
int formDataLength = request.getContentLength();
if(formDataLength > MAX_SIZE){
out.println("<P>上传的文件字节数不可以超过"+ MAX_SIZE + "</p>");
return;
}
//保存上传文件的数据
byte dataBytes[] = new byte[formDataLength];
int byteRead = 0;
int totalBytesRead = 0;
//上传的数据保存在byte数组
while(totalBytesRead < formDataLength)
{
byteRead = in.read(dataBytes,totalBytesRead,formDataLength);
totalBytesRead += byteRead;
}
//根据byte数组创建字符串
String file = new String(dataBytes);
//out.println(file);
//tree_id
int begin_b1=0,end_b1=0;
begin_b1= file.indexOf("name=\"tree_id\"");
end_b1= file.indexOf("name=\"backlj\"");
String tree_id="";
tree_id=file.substring(begin_b1+15,end_b1-77).trim();
//backlj
int begin_b2=0,end_b2=0;
begin_b2= file.indexOf("name=\"backlj\"");
end_b2= file.indexOf("name=\"act\"");
String backlj="";
backlj=file.substring(begin_b2+14,end_b2-77).trim();
backlj=backlj+"?tree_id="+tree_id;
//文件级别
int begin_a1=0,end_a1=0;
begin_a1= file.indexOf("name=\"fjb\"");
end_a1= file.indexOf("name=\"fdemo\"");
String fjb="";
fjb=file.substring(begin_a1+11,end_a1-77).trim();
//文件描述
int begin_a2=0,end_a2=0;
begin_a2= file.indexOf("name=\"fdemo\"");
end_a2= file.indexOf("name=\"file1\"");
String fdemo="";
fdemo=file.substring(begin_a2+13,end_a2-77).trim();
//取得上传的数据的文件名
String saveFile = file.substring(file.indexOf("filename=\"") + 10);
saveFile = saveFile.substring(0,saveFile.indexOf("\n"));
saveFile = saveFile.substring(saveFile.lastIndexOf("\\")+ 1,saveFile.indexOf("\""));
//out.println(saveFile);
//取得扩展名
String newkz="";
for(int j=saveFile.length();j>0;j--){
if(saveFile.substring(j-1,j).equals(".")){
break;
}
newkz=saveFile.substring(j-1,j)+newkz;
}
//取得新文件名
String newfile=file_Num+"."+newkz;
//
int lastIndex = contentType.lastIndexOf("=");
//取得数据的分隔字符串
String boundary = contentType.substring(lastIndex + 1,contentType.length());
//创建保存路径的文件名
String fileName = realPath + newfile;
int pos;
pos = file.indexOf("filename=\"");
pos = file.indexOf("\n",pos) + 1;
pos = file.indexOf("\n",pos) + 1;
pos = file.indexOf("\n",pos) + 1;
int boundaryLocation = file.indexOf(boundary,pos) - 4;
//取得文件数据的开始的位置
int startPos = ((file.substring(0,pos)).getBytes()).length;
//取得文件数据的结束的位置
int endPos = ((file.substring(0,boundaryLocation)).getBytes()).length;
if(startPos!=endPos){//0长度文件
//检查上载文件是否存在
File checkFile = new File(fileName);
if(checkFile.exists()){
out.println("<p><font color=red>上传失败：" + saveFile + "文件已经存在！请重新上传</font> <a href='javascript:window.history.back()'>【返回】</a></p>");
}
else{
//创建文件的写出类
fileOut = new FileOutputStream(fileName);
//保存文件的数据
fileOut.write(dataBytes,startPos,(endPos - startPos));
fileOut.close();
strSQL="insert into fileDb(mlid,fname,upname,fjb,fdemo,fsize,uptime) values('"+tree_id+"','"+saveFile+"','"+newfile+"','"+fjb+"','"+fdemo+"',"+formDataLength/1024+",getdate())";
sqlStmt.executeUpdate(strSQL);
out.println("<P>" + saveFile + "文件成功上传. <a href='../"+backlj+"'>【返回】</a></p>");
}
}
else{
out.println("<P>" + saveFile + "上传失败：文件长度不能为零！<a href='javascript:window.history.back()'>【返回】</a></p>");
}
}
else{
String content = request.getContentType();
out.println("<p>上传的数据类型不是是multipart/form-data</p>");
}
//关闭SQL语句对象
sqlStmt.close();
//关闭数据库
sqlCon.close();
}catch(SQLException s) {
StrMsg="SQL错误信息："+s.toString()+" "+s.getErrorCode()+" "+s.getSQLState();
}catch(Exception e) {
StrMsg="错误信息："+e.toString()+e.getMessage();
}
if(!StrMsg.equals("")){
out.println("<font color=red>"+StrMsg+"</font>");
}
%>
</body>
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