package 图书仓库管理系统;
import java.sql.*;
public class 登陆 extends javax.swing.JFrame {
private String yonghuming;
private String mima;
private Statement stmt;
public 登陆() {
initComponents();
}
public boolean DL(){
boolean isexit = false;
yonghuming = jTextField1.getText().trim();
mima = jTextField2.getText().trim();
try{
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}catch(ClassNotFoundException ex){
System.out.println(ex.getLocalizedMessage());
}
String url="jdbc:odbc:图书仓库管理系统";
Connection conn=DriverManager.getConnection(url);
Statement stmtq=conn.createStatement();
String qs = "select * from 用户密码表 where 用户名="+"'" + yonghuming + "'" + " and 密码
= " + "'" + mima + "'";
ResultSet rs = stmtq.executeQuery(qs);
if( rs.next() ){
isexit = true;
System.out.println(rs.getString("用户名"));
}
}catch(Exception e){
}
return isexit;
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
isexit = DL();
if(isexit){
菜单界面 菜单界面 1=new 菜单界面();
菜单界面 1.setVisible(true);
}
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
}
public static void main(String args[]) {
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