Find Idsql Statement Web interface Connection database

Import java.io.IOException;
Import Java.io.PrintWriter;
Import java.sql.Connection;
Import Java.sql.DriverManager;
Import java.sql.PreparedStatement;
Import Java.sql.ResultSet;
Import java.sql.SQLException;
Import java.util.ArrayList;
Import java.util.List;

Import Javax.servlet.ServletConfig;
Import javax.servlet.ServletException;
Import Javax.servlet.annotation.WebServlet;
Import Javax.servlet.http.HttpServlet;
Import Javax.servlet.http.HttpServletRequest;
Import Javax.servlet.http.HttpServletResponse;

/**
* Servlet Implementation Class Infoservlet
*/
@WebServlet ("/infoservlet")
public class Infoservlet extends HttpServlet {
Private static final long serialversionuid = 1L;
UserInfo UserInfo = new UserInfo ();
Private Connection Conn;
Private ResultSet RS;
Private PreparedStatement PST = NULL;
/**
* @see Httpservlet#httpservlet ()
*/
Public Infoservlet () {
Super ();
TODO auto-generated Constructor stub
}

/**
* @see Httpservlet#doget (httpservletrequest request, httpservletresponse response)
*/
protected void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {
DoPost (request, response);
}

/**
* @see Httpservlet#dopost (httpservletrequest request, httpservletresponse response)
*/
protected void DoPost (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {
Set the character set encoding for response content
Request.setcharacterencoding ("Utf-8");
Get form data
String name = Request.getparameter ("name");
String Password = request.getparameter ("password");
TODO auto-generated Method Stub
Setting the response content type
Response.setcontenttype ("text/html");
Set the character set encoding for response content
Response.setcharacterencoding ("Utf-8");
Get response content output stream
PrintWriter out = Response.getwriter ();
Connecting to a database
try {
Class.forName ("Com.mysql.jdbc.Driver");
conn = Drivermanager.getconnection ("Jdbc:mysql://127.0.0.1:3306/xx", "root", "root");
String str = "SELECT id from the text where name=?" and password =? ";
PST = conn.preparestatement (str);
Pst.setstring (1, name);
Pst.setstring (2, password);
rs = Pst.executequery ();
while (Rs.next ()) {
Userinfo.setid (Rs.getint ("id"));
}

} catch (ClassNotFoundException e) {
TODO auto-generated Catch block
E.printstacktrace ();
} catch (SQLException e) {
TODO auto-generated Catch block
E.printstacktrace ();
}
try {
System.out.println (Rs.getint ("id"));
} catch (SQLException e) {
TODO auto-generated Catch block
E.printstacktrace ();
}
SYSTEM.OUT.PRINTLN (name);
SYSTEM.OUT.PRINTLN (password);
System.out.println (Userinfo.getid ());
if (Userinfo.getid ()!=0) {
Response.sendredirect ("Http://localhost:8080/Myhome/YesServlet");

}else{
Response.sendredirect ("Http://localhost:8080/Myhome/NoServlet");

}
Out.close ();
}
}

Find Idsql Statement Web interface Connection database