我建议您使用servlet来处理帖子,有很多方法可以做到,但是一个简单的方法就是使用Apache Commons
FileUpload库。您只需要将JAR添加到您的项目中。
这是一个示例,它将获取您的信息并以HTML格式打印内容:
@WebServlet(urlPatterns = { "/file-upload" } )public class FileUpload extends HttpServlet{ @Override public void doPost(HttpServletRequest p_oRequest, HttpServletResponse p_oResponse) throws IOException { PrintWriter out = p_oResponse.getWriter(); out.println("<html><body>"); List fileItems = null; // Parsing field values DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setSizeThreshold(10000000); // Create a new file upload handler ServletFileUpload upload = new ServletFileUpload(factory); // maximum file size to be uploaded. upload.setSizeMax(10000000); try { // Parse the request to get file items. fileItems = upload.parseRequest(p_oRequest); // Process the uploaded file items Iterator i = fileItems.iterator(); out.println("<table><tr><td>Type</td><td>Name</td><td>Value</td>"); while(i.hasNext()) { FileItem fi = (FileItem)i.next(); out.println("<tr>"); if(fi.isFormField()) { out.println("<td>Field</td>"); out.println("<td>" + fi.getFieldName() + "</td>"); out.println("<td>" + fi.getString() + "</td>"); } else { out.println("<td>File</td>"); out.println("<td>" + fi.getFieldName() + "</td>"); out.println("<td>" + fi.getName() + " / " + fi.getContentType() + " / " + fi.getSize() + "</td>"); } out.println("</tr>"); } out.println("</table>"); } catch(Exception e) { e.printStackTrace(); } out.println("</body></html>"); out.flush(); }}请注意,
FileItemfi该对象是包含字段信息的对象。对于文件,您可以通过获取内容
fi.getInputStream()或
fi.getString()取决于获取方式以及获取多少数据等来获取文件的内容。



