jsp文件档案管理系统

<%@ page import="java.io.*, java.util.*, javax.servlet.http.*" %>
<html>
<head>
    <title>File Upload</title>
</head>
<body>
    <h1>Upload File</h1>
    <form action="upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file" />
        <input type="submit" value="Upload" />
    </form>
</body>
</html>

// UploadServlet.java
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import javax.servlet.annotation.MultipartConfig;

@MultipartConfig(fileSizeThreshold = 1024 * 1024 * 2, // 2MB
                 maxFileSize = 1024 * 1024 * 10,      // 10MB
                 maxRequestSize = 1024 * 1024 * 50)   // 50MB
public class UploadServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Part filePart = request.getPart("file");
        String fileName = filePart.getSubmittedFileName();
        InputStream fileContent = filePart.getInputStream();

        // Save the file to a specific directory
        String savePath = "C:/uploads/" + fileName;
        FileOutputStream fos = new FileOutputStream(savePath);
        byte[] buffer = new byte[1024];
        int bytesRead;
        while ((bytesRead = fileContent.read(buffer)) != -1) {
            fos.write(buffer, 0, bytesRead);
        }
        fos.close();
        fileContent.close();

        response.getWriter().println("File uploaded successfully!");
    }
}