《数据库应用》课程设计人事管理系统(java源代码)

《数据库应用》课程设计——人事管理系统（java源代码）


//用户登陆类
package classsource;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;

public class Land extends JFrame{
JFrame jf ;

JTextField textName=new JTextField();
JPasswordField textage=new JPasswordField();

JLabel label = new JLabel("员工管理系统");
JLabel labelName=new JLabel("用户名：");
JLabel labelage=new JLabel("密码：");


JButton buttonEnter=new JButton("登录");
JButton buttoncancel=new JButton("清空");

public Land(){
jf=this;
setTitle("登录");
Font f = new Font("新宋体",Font.PLAIN,12);
Container con = getContentPane();
con.setLayout(null);
label.setBounds(95,10,110,20);
label.setFont(new Font("新宋体",Font.PLAIN,14));
con.add(label);
labelName.setBounds(45,40,55,20);
labelName.setFont(f);
con.add(labelName);
textName.setBounds(95,40,120,20);
con.add(textName);

labelage.setBounds(45,70,45,20);
con.add(labelage);
labelage.setFont(f);
textage.setBounds(95,70,120,20);
con.add(textage);



buttonEnter.setBounds(90,110,60,20);
buttonEnter.setFont(f);
con.add(buttonEnter);

//登陆的鼠标监听

buttonEnter.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent me){
if(textName.getText().equals("")){
new JOptionPane().showMessageDialog(null,"用户名不能为空!");
}
else if(textage.getText().equals("")){
new JOptionPane().showMessageDialog(null,"密码不能为空!");
}
else{
String sql="select * from UserInformation where User_Name = '" + textName.getText() + "' and Password = '" + textage.getText()+ "'";
System.out.println(sql);
Judge(sql);
}
}
});

buttoncancel.setBounds(155,110,60,20);
buttoncancel.setFont(f);
con.add(buttoncancel);

//清空按钮的鼠标监听方法
buttoncancel.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent me){
textName.setText("");
textage.setText("");
}
});

setResizable(false);

Image img=Toolkit.getDefaultToolkit().getImage("image\\main.gif");
setIconImage(img);
Toolkit t = Toolkit.getDefaultToolkit();
int w = t.getScreenSize().width;
int h = t.getScreenSize().height;
setBounds(w/2-150,h/2-90,300,180);
setVisible(true);
}

private void Judge(String sqlString) {

if (Database.joinDB()) {
if (Database.query(sqlString))
try{
if(Database.rs.isBeforeFirst()) {
System.out.println("密码正确");
jf.setVisible(false);

.close
();
new Main();
}
else {
System.out.println("错误");
new JOptionPane().showMessageDialog(null,"用户

名或密码错误!","",JOptionPane.ERROR_MESSAGE);
}
}catch(Exception ex) {
System.out.println(ex.getMessage());
}
}
else{
System.out.println("连接数据库不成功!!!");
}
}

public static void main(String args[]){
new Land();
}
}


//主函数类，可以独立运行

package classsource;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.*;

public class Main extends JFrame implements Runnable{

Thread t=new Thread(this);
JDesktopPane deskpane = new JDesktopPane();
JPanel p = new JPanel();
Label lp1=new Label("欢 迎 使 用 员 工 管 理 系 统 !");

ImageIcon icon1=new ImageIcon("imagetjsc.gif");
ImageIcon icon2=new ImageIcon("imagecxdl.gif");
ImageIcon icon3=new ImageIcon("imagexgmm.gif");
ImageIcon icon4=new ImageIcon("imagetcxt.gif");
ImageIcon icon5=new ImageIcon("imagejj.gif");
ImageIcon icon6=new ImageIcon("imagehelp.gif");
ImageIcon icon7=new ImageIcon("imagecx.gif");
ImageIcon icon8=new ImageIcon("imagegl.gif");
ImageIcon icon9=new ImageIcon("imagext.gif");
ImageIcon icon10=new ImageIcon("imagexxgl.gif");
ImageIcon icon11=new ImageIcon("imagexxcx.gif");
ImageIcon icon12=new ImageIcon("imagebz.gif");
ImageIcon icon13=new ImageIcon("imagegy.gif");
ImageIcon icon14=new ImageIcon("imageglxx.gif");
ImageIcon icon15=new ImageIcon("imagecxxx.gif");
//完--------------------------------------------------------------------------------

public Main(){
setTitle("员工管理系统");
Container con = getContentPane();
con.setLayout(new BorderLayout());
con.add(deskpane,BorderLayout.CENTER);

Font f =new Font("新宋体",Font.PLAIN,12);

JMenuBar mb = new JMenuBar();

JMenu systemM = new JMenu("系统管理");
systemM.setFont(f);
JMenu manageM = new JMenu("信息管理");
manageM.setFont(f);
JMenu employeeMM = new JMenu("员工信息管理");
employeeMM.setFont(f);
JMenu selectM = new JMenu("信息查询");
selectM.setFont(f);
JMenu employeeSM =new JMenu("员工信息查询");
employeeSM.setFont(f);

JMenu helpM = new JMenu("帮助");
helpM.setFont(f);
JMenu aboutM=new JMenu("关于");
aboutM.setFont(f);

JMenuItem password = new JMenuItem("密码修改");
password.setFont(f);
JMenuItem land = new JMenuItem("重新登 …… 此处隐藏：3962字，全部文档内容请下载后查看。喜欢就下载吧 ……