日期:2014-05-16 浏览次数:20750 次
<%@ page contentType="text/html; charset=UTF-8" language="java" import="java.sql.*" errorPage="" %> <%@ page import="java.io.*"%> <%@ page import="java.util.*"%> <%@ page import="javax.servlet.*"%> <%@ page import="javax.servlet.http.*"%> <html> <head> <title> upFile </title> </head> <body bgcolor="#ffffff"> <center> <% String rootPath; DataInputStream in = null; FileOutputStream fileOut = null; String realPath = request.getRealPath("/"); rootPath = realPath + "/upload/"; String contentType = request.getContentType(); try{ if(contentType.indexOf("multipart/form-data") >= 0){ in = new DataInputStream(request.getInputStream()); int formDataLength = request.getContentLength(); byte dataBytes[] = new byte[formDataLength]; int byteRead = 0; int totalBytesRead = 0; while(totalBytesRead < formDataLength){ byteRead = in.read(dataBytes,totalBytesRead,formDataLength); totalBytesRead += byteRead; } String file = new String(dataBytes); String saveFile = file.substring(file.indexOf("filename=\"") + 10); saveFile = saveFile.substring(0,saveFile.indexOf("\n")); saveFile = saveFile.substring(saveFile.lastIndexOf("\\") + 1,saveFile.indexOf("\"")); int lastIndex = contentType.lastIndexOf("="); String boundary = contentType.substring(lastIndex + 1,contentType.length()); String fileName = rootPath + saveFile; 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; int startPos = ((file.substring(0,pos)).getBytes()).length; int endPos = ((file.substring(0,boundaryLocation)).getBytes()).length; File checkFile = new File(fileName); if(checkFile.exists()){ return; } File fileDir = new File(rootPath); if(!fileDir.exists()){ fileDir.mkdirs(); } fileOut = new FileOutputStream(fileName); fileOut.write(dataBytes,startPos,(endPos - startPos)); fileOut.close(); }else{ String content = request.getContentType(); } }catch(Exception ex){ throw new ServletException(ex.getMessage()); } %> </center> </body> </html>