Use JSP to upload files

// Process the upload page (for example, result. jsp)

 1 <% @ Page Language = "  Java  " Pageencoding = "  GBK  " Contenttype = "  Text/html; charset = GBK  " %> 2 <% @ Page import = "  Java. util .* " %> 3 <% @ Page import = "  Java. Io .*  " %> 4 <% @ Page import = "  Com. oreilly. servlet. multipart .*  " %> 5 <% @ Page import = "  Com. oreilly. servlet. multipartrequest  " %> 6 <% 7     //  Savetext: Destination path for storing uploaded files  8 String savetext = "  C :\\ 1010  "  ;  9     //  Size of each uploaded file (3 indicates the maximum number of files uploaded each time; 20 indicates the size of each file; 1024*1024 indicates the hexadecimal format)  10     Int Maxsize = 3 * 20 *1024 * 1024  ;  11     //  File Upload: the first parameter is the request method; the second parameter is the storage Destination path; the third parameter is the size of the uploaded file; and the fourth parameter is simplified Chinese.  12 Multipartrequest multi = New Multipartrequest (request, savetext, maxsize, "  Gb2312  "  );  13     //  Print through the enumeration of the Set 14 Enumeration files = multi. getparameternames (); //  Obtain all uploaded files from multi  15     While  (Files. hasmoreelements ())  16   {  17 String files_name = (string) files. nextelement (); //  Obtain all uploaded files files_name cyclically from the enumerated variable files  18 File F = multi. GetFile (files_name ); // Obtain each uploaded file F from all uploaded file files_name.  19       If (F! = Null  )  20   {  21         //  Obtain the file_name name of each uploaded file.  22 String file_name = Multi. getfilesystemname (files_name );  23 String last_name = savetext + "  \\ " + File_name;  24         Out . Print ( "  The uploaded files are:  " + Last_name );  25         Out . Print ( "  <HR>  "  );  26   } 27   }  28 %>

Use JSP to upload files;

 1   <!  Doctype HTML public "-// W3C // dtd html 4.01 transitional // en" "http://www.w3.org/TR/html4/loose.dtd"  >  2   <  Html  >  3   <  Head  > 4   <  Meta  HTTP-equiv  = "Content-Type"  Content  = "Text/html; charsets = UTF-8"  >  5   <  Title  > Upload </  Title  >  6  </  Head  >  7   <  Body  >  8   <  Form  Name  = "Uploadform"  Action  = "Upload"  Method  = "Post"  Enctype = "Multipart/form-Data"  >  9       <  Table  >  10           <  Tr  >  11               <  TD  > <  Div  Align  = "Right" > Upload file: </  Div  > </  TD  >  12               <  TD  > <  Input  Type  = "File"  Name  = "Uploadfile"  Size  = "30" > </  TD  >  13           </  Tr  >  14           <  Tr  >  15               <  TD  > <  Input  Type  = "Submit" Name  = "Submit"  Value  = "Upload"  > </  TD  >  16           </  Tr  >  17   18       </  Table  >  19  </  Form  >  20   </  Body  >  21   </  Html  >