Apache FTP is a more extensive application of FTP upload client tools, it is easy to operate, code simple, clear structure, is to do FTP file client management software priority. FTP operations include: FTP file Upload (breakpoint continued), FTP file downloads, ftp file renaming, FTP file deletion, these operations have been the FTP application management way to play incisively and vividly, so I have always used this way to achieve the management of FTP file server ; The FTP tool code is attach
Based on the Apache FTP implementation file upload download tool, upload files need to consider the following issues (example is the continuation of the function):
(1) Whether there is a directory for the FTP server, if the directory does not exist, you need to create a directory.
(2), to determine whether the upload file already exists, if there is a need to delete before uploading or continued transmission.
1, upload or
(); return "error"; } The following code actually writes the data in Excel, I write according to the template, so the format of the sheet table is fixed. I just need to get the specific cell and write the data.Add data to Excel table public void Excelcontractwritedata (Xssfworkbook workbook,xssfsheet sheet, list Here is a sort of month with 1 2 3 4 5 6 7 8 9 10 11 12 But each occurrence of the month is not fixed and may have a broken month
First, build a Doc folder under the WebApps download project under the Tomcat server and build a test.doc. Prevent pointer exceptionsDownload.java Code1 PackageCom.down;2 3 Importjava.io.IOException;4 ImportJava.io.InputStream;5 6 Importjavax.servlet.ServletException;7 ImportJavax.servlet.ServletOutputStream;8 ImportJavax.servlet.annotation.WebServlet;9 ImportJavax.servlet.http.HttpServlet;Ten Importjavax.
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