Servlet：
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import org.apache.tomcat.util.http.fileupload.IOUtils;
@WebServlet(name = "FileUploadServlet", urlPatterns = {"/upload"})
@MultipartConfig
public class DynamicInvoke extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Part filePart = request.getPart("file");
try(InputStream inputStream = filePart.getInputStream();){
IOUtils.copy(inputStream, new FileOutputStream(String.format("D:/%s", request.getParameter("fileName"))));
}
response.getWriter().println("success");
}
}
HTML：
<!DOCTYPE html> <html> <head> <title>File Upload</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method="POST" action="upload" enctype="multipart/form-data" > File: <input type="file" name="file" id="file" /> <br/> FileName: <input type="text" value="temp.txt" name="fileName"/> <br> <input type="submit" value="Upload" name="upload" id="upload" /> </form> </body> </html>
原文：http://my.oschina.net/u/1756290/blog/523107