我需要将cad文件存储在我的服务器上，但无法上传。我试图让这个工作几个小时，但我就是做不到。自动取款机我有这个。这给了我一个错误
随机数.temp 不存在( java.io.FileNotFoundException: /home/nick/.netbeans/7.1.2/config/GF3_1/domain1/generated/jsp/lrt/upload_700679fb_13a96c78523__7ffb_00000006.tmp (No such file or directory )
package Admin;
import java.io.IOexception;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Collection;
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;
@WebServlet(name = "UploadServlet", urlPatterns = {"/UploadServlet"})
@MultipartConfig
public class UploadServlet extends HttpServlet {
@Override
protected void doPost(HttpServletRequest request,
HttpServletResponse responst) throws ServletException, IOException {
Collection<Part> parts = request.getParts();
if (parts.size() != 3) {
//can write error page saying all details are not entered
}
Part filePart = request.getPart("cad");
InputStream sInputStream = filePart.getInputStream();
//read imageInputStream
filePart.write(filePart.getName());
//Read Name, String Type
Part namePart = request.getPart("cad");
if(namePart.getSize() > 20){
//write name cannot exceed 20 chars
}
//use nameInputStream if required
InputStream nameInputStream = namePart.getInputStream();
//name , String type can also obtained using Request parameter
String nameParameter = request.getParameter("name");
//Similarly can read age properties
Part agePart = request.getPart("age");
int ageParameter = Integer.parseInt(request.getParameter("age"));
}
@Override
public String getServletInfo() {
return "Short description";
}
}