我正在通过html上传xml文档并将其传递给servlet。在servlet中，我将提取一些xml字段并将其与文件（xml）一起发送到数据库（我在数据库中创建了一个表（mysql））。
有什么建议吗？
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<head>
<meta http-equiv="Con`tent-Type" content="text/html; charset=iso-8859-1">
<meta name="GENERATOR" content="Mozilla/4.61 [en] (WinNT; I) [Netscape]">
<title> </title>
</head>
<body>
<form method="POST" action="upload" enctype="multipart/form-data" >
File:
<input type="file" name="file" id="file" /> <br/>
<input type="submit" value="Upload" name="upload" id="upload" />
</form>
</body>
package com;
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.http.Part;
/**
* Servlet implementation class InsertXMLServlet
*/
@WebServlet(description = "InsertXMLServlet", urlPatterns = { "/upload" })
public class InsertXMLServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public InsertXMLServlet() {
super();
// TODO Auto-generated constructor stub
}
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
int rows = 0;
// File xmlFile = new File("D:Name.xml");
final Part filePart = request.getPart("file");
OutputStream out = null;
InputStream filecontent = null;
final PrintWriter writer = response.getWriter();
try {
filecontent = filePart.getInputStream();
int read = 0;
final byte[] bytes = new byte[1024];
while ((read = filecontent.read(bytes)) != -1) {
out.write(bytes, 0, read);
}
writer.println("New file " + fileName + " created at " + path);
} catch (FileNotFoundException fne) {
writer.println("<br/> ERROR: " + fne.getMessage());
} finally {
if (out != null) {
out.close();
}
if (filecontent != null) {
filecontent.close();
}
if (writer != null) {
writer.close();
}
}
PreparedStatement ps = null;
Connection con = null;
String url = "jdbc:mysql://@inblrl0746/test";
String driver = "com.mysql.jdbc.Driver";
String userName = "root";
String password = "password";
String INSERT_SQL = "INSERT INTO ATTACHMENT(FILENAME,CONTENT) values(?, ?)";
try {
Class.forName(driver);
con = DriverManager.getConnection(url, userName, password);
ps = con.prepareStatement(INSERT_SQL);
ps.setString(1, xmlFile.getName());
ps.setBinaryStream(2, new FileInputStream(xmlFile));
rows = ps.executeUpdate();
return rows;
}
catch (SQLException e) {
e.printStackTrace();
// ps.close();
// con.close();
} catch (FileNotFoundException e) {
e.printStackTrace();// CLOSE ps and con;
} finally {
ps.close();
con.close();
}
return rows;
}
}