www.pudn.com > sjkjjwsu.store.rar > UserAdd.java

import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
import java.sql.*; 
public class UserAdd extends JFrame implements ActionListener 
{ 
	DataBaseManager db=new DataBaseManager(); 
	ResultSet rs; 
	Container c; 
	JPanel panel1,panel2; 
	JLabel UserLabel,PasswordLabel,PasswordConfirmLabel,LoginPrivelegeLabel; 
	JTextField UserTextField; 
	JPasswordField PasswordTextField,PasswordConfirmTextField; 
	JComboBox LoginPrivelegeComboBox; 
	JButton AddBtn,CancelBtn; 
	public UserAdd() 
	{ 
		super("添加用户"); 
		c=getContentPane(); 
		c.setLayout(new BorderLayout()); 
		UserLabel=new JLabel("用户名",JLabel.CENTER); 
		PasswordLabel=new JLabel("密码",JLabel.CENTER); 
		PasswordConfirmLabel=new JLabel("确认密码",JLabel.CENTER); 
		LoginPrivelegeLabel=new JLabel("登录权限",JLabel.CENTER); 
		UserTextField=new JTextField(10); 
		PasswordTextField=new JPasswordField(10); 
		PasswordConfirmTextField=new JPasswordField(10); 
		LoginPrivelegeComboBox=new JComboBox(); 
		LoginPrivelegeComboBox.addItem("系统管理员"); 
		LoginPrivelegeComboBox.addItem("书籍管理员"); 
		LoginPrivelegeComboBox.addItem("借阅管理员"); 
		AddBtn=new JButton("添加"); 
		CancelBtn=new JButton("取消"); 
		AddBtn.addActionListener(this); 
		CancelBtn.addActionListener(this); 
		panel1=new JPanel(); 
                panel1.setLayout(new GridLayout(4,2)); 
		panel1.add(UserLabel); 
		panel1.add(UserTextField); 
		panel1.add(PasswordLabel); 
		panel1.add(PasswordTextField); 
		panel1.add(PasswordConfirmLabel); 
		panel1.add(PasswordConfirmTextField); 
		panel1.add(LoginPrivelegeLabel); 
		panel1.add(LoginPrivelegeComboBox); 
		c.add(panel1,BorderLayout.CENTER); 
		panel2=new JPanel(); 
		panel2.add(AddBtn); 
		panel2.add(CancelBtn); 
		c.add(panel2,BorderLayout.SOUTH); 
		setSize(300,300); 
		 
	} 
	public void actionPerformed(ActionEvent e) 
	{ 
		if(e.getSource()==CancelBtn) 
		{ 
			db.closeConnection(); 
			this.dispose(); 
		} 
		else if(e.getSource()==AddBtn) 
		{ 
			try 
			{ 
				String strSQL="select * from userTable where userName='"+ 
				UserTextField.getText().trim()+"'"; 
				if(UserTextField.getText().trim().equals("")) 
				{ 
					JOptionPane.showMessageDialog(null,"用户名不能为空！"); 
				} 
				else if(PasswordTextField.getText().trim().equals("")) 
				{ 
					JOptionPane.showMessageDialog(null,"密码不能为空！"); 
				} 
				else if(!PasswordTextField.getText().trim().equals(PasswordConfirmTextField.getText().trim())) 
				{ 
					JOptionPane.showMessageDialog(null,"两次输入的密码不一致！"); 
				} 
				else 
				{ 
				        if(db.getResult(strSQL).first()) 
				        { 
					          JOptionPane.showMessageDialog(null,"此用户已经存在，请重新输入用户名！"); 
				        } 
				         else  
				         { 
				         	strSQL="insert into userTable values(ID_User_sequence.nextval,'"+ 
				         	UserTextField.getText().trim()+"','"+PasswordTextField.getText(). 
				         	trim()+"','"+LoginPrivelegeComboBox.getSelectedItem()+"')"; 
				         	if(db.updateSql(strSQL)) 
				         	{ 
				         		this.dispose(); 
				         		JOptionPane.showMessageDialog(null,"添加用户成功！"); 
				         		 
				         	} 
				         	else 
				         	{ 
				         		JOptionPane.showMessageDialog(null,"添加用户失败！"); 
				         	} 
				         } 
				} 
			} 
			catch(SQLException sqle) 
			{ 
				System.out.println(sqle.toString()); 
			} 
			catch(Exception ex) 
			{ 
				System.out.println(ex.toString()); 
			} 
		} 
	} 
}