我有一个 HTML 页面，新用户被添加到数据库中，我通过 JDBC-ODBC 和 Servlets 完成了 MS-Access 连接>.我没有错误，但值没有保存在数据库中。
*******HTML 文件*****
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div>
<center><h1>login page</h1></center>
<form action="Serve" method="get">
Username: <input type="text" name="username"><br>
Password: <input type="text" name="password"><br>
<button> Login</button>
</form>
</div>
</body>
</html>
***JDBC-ODBC 文件****
import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
public class base {
Connection con;
Statement st;
ResultSet rs;
String s;
public base() throws SQLException {
connect();
}
private void connect() throws SQLException {
try {
// throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con =DriverManager.getConnection("jdbc:odbc:db","","");
st=con.createStatement();
} catch (ClassNotFoundException ex) {
JOptionPane.showMessageDialog(null, ex);
}
}
}
*****小服务程序***
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
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.swing.JOptionPane;
@WebServlet(name = "Serve", urlPatterns = {"/Serve"})
public class Serve extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
base s = new base();
s.s="insert into Table1 values("+request.getParameter("name")+","+request.getParameter("pass")+")";
s.st.executeQuery(s.s);
} catch (SQLException ex) {
JOptionPane.showMessageDialog(null, ex);
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
最佳答案
问题是您从请求对象中获取了错误的参数。
试试这个:
s.s="insert into Table1 values("+request.getParameter("username")+","+request.getParameter("password")+")";
关于java - 在 NetBeans 中将 HTML 与 MSAcess 连接起来，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/33120227/