📄 fileupload_jsp.java

📁 sql+struts+jsp 提供考试的一般需求
💻 JAVA
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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.io.*;
import java.sql.*;

public final class fileupload_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.List _jspx_dependants;

  private javax.el.ExpressionFactory _el_expressionfactory;
  private org.apache.AnnotationProcessor _jsp_annotationprocessor;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspInit() {
    _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
    _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
  }

  public void _jspDestroy() {
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      response.setContentType("text/html; charset=GBK");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n\r\n<html>\r\n<head>\r\n<title>\r\nfileupload\r\n</title>\r\n</head>\r\n<body bgcolor=\"#ffffff\">\r\n");

String url=null;
String filename=null;
String stuno=(String)session.getAttribute("stuno");
File dirfile=new File("D:\\","examupload");
    boolean bool=dirfile.exists();
    if(!bool){
      dirfile.mkdir();
    }
String dir=dirfile.getAbsolutePath();

try{
  InputStream fin=request.getInputStream();
  String tempFileName=(String)session.getId();

  File f1=new File("c:/",tempFileName);
  FileOutputStream ou=new FileOutputStream(f1);

  byte b[]=new byte[8192];
  int n;
  while((n=fin.read(b))!=-1){
    ou.write(b,0,n);
  }
  ou.close();
  fin.close();

  RandomAccessFile random=new RandomAccessFile(f1,"r");
  int second=1;
  String secondLine=null;
  while(second<=2){
    secondLine=random.readLine();
    second++;
  }
  int position=secondLine.lastIndexOf('\\');
  filename=secondLine.substring(position+1,secondLine.length()-1);
  byte str[]=filename.getBytes("ISO-8859-1");
  filename=new String(str);
  url=dir+"\\"+filename;
  File mdfile=new File(url);
  RandomAccessFile random2=new RandomAccessFile(mdfile,"rw");
  random.seek(0);
  long forthEndPosition=0;
  int forth=1;
  while((n=random.readByte())!=-1&&(forth<=4)){
    if(n=='\n'){
      forthEndPosition=random.getFilePointer();
      forth++;
    }
  }
  random.seek(random.length());
  long endPosition=random.getFilePointer();
  long mark=endPosition;
  int j=1;
  while((mark>=0)&&(j<=6)){
    mark--;
    random.seek(mark);
    n=random.readByte();
    if(n=='\n'){
      endPosition=random.getFilePointer();
      j++;
    }
  }

  random.seek(forthEndPosition);
  long startPoint=random.getFilePointer();
  while(startPoint<endPosition-1){
    n=random.readByte();
    random2.write(n);
    startPoint=random.getFilePointer();
  }
  random2.close();
  random.close();
  f1.delete();
}catch(IOException e){}

 try{
    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
  }catch(Exception e){}
  try{
    Connection conn=java.sql.DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=examnet","sa","sa");
    Statement stmt=conn.createStatement();
    String sql="update bkinfo set photo='"+url+"' where stuno='"+stuno+"'";
    stmt.executeUpdate(sql);
    response.sendRedirect("update.jsp");
  }catch(Exception e){}



      out.write("\r\n</body>\r\n</html>\r\n");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}
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