useradd.java

软件工程课程设计

package Manager;

import javax.swing.*;

import com.borland.jbcl.layout.*;
import java.awt.event.*;
import java.sql.ResultSet;
import java.sql.SQLException;

public class userAdd extends JFrame {
	/**
	 * <p>Title: 操作员添加</p>
	 * <p>Description: </p>
	 * <p>Copyright: Copyright (c) 2008</p>
	 * <p>Company:南华大学计算机系 </p>
	 * @author 王云飞
	 * @version 1.0
	 */
	private static final long serialVersionUID = 1L;

//定义数据库操作对象
  private DBManager db =new DBManager();
  ResultSet rs;    //定义结果集
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel2 = new JLabel();
  JButton jButtonCancel = new JButton();
  JLabel jLabel1 = new JLabel();
  JTextField jTextFieldusername = new JTextField();
  JButton jButtonOK = new JButton();
  JPasswordField jPasswordold = new JPasswordField();
  JLabel jLabel3 = new JLabel();
  JPasswordField jPasswordnew = new JPasswordField();
  JLabel jLabel4 = new JLabel();
  JComboBox jComboBoxpower = new JComboBox();

  public userAdd() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
     new userAdd();
  }
  private void jbInit() throws Exception {
    jPasswordold.setText("");
    jButtonOK.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonOK.setText("添加");
    jButtonOK.addMouseListener(new userAdd_jButtonOK_mouseAdapter(this));
    jTextFieldusername.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldusername.setText("");
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("用户名");
    jButtonCancel.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonCancel.addMouseListener(new userAdd_jButtonCancel_mouseAdapter(this));
    jButtonCancel.setText("退出");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("密码");
    xYLayout1.setWidth(480);
    xYLayout1.setHeight(366);
    this.getContentPane().setLayout(xYLayout1);
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("确认密码");
    jPasswordnew.setFont(new java.awt.Font("Dialog", 0, 16));
    jPasswordnew.setText("");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("登陆权限");
    //jComboBoxpower中加入权限的值
    jComboBoxpower.addItem(" 操作员");
    jComboBoxpower.addItem(" 管理员");
    jComboBoxpower.setFont(new java.awt.Font("Dialog", 0, 16));

    this.setTitle("添加用户");
    this.getContentPane().add(jTextFieldusername, new XYConstraints(263, 32, 111, 38));
    this.getContentPane().add(jLabel2, new XYConstraints(113, 99, 80, 34));
    this.getContentPane().add(jLabel1, new XYConstraints(112, 33, 80, 34));
    this.getContentPane().add(jPasswordold, new XYConstraints(264, 95, 111, 35));
    this.getContentPane().add(jPasswordnew,  new XYConstraints(261, 157, 111, 35));
    this.getContentPane().add(jLabel3, new XYConstraints(108, 160, 110, 36));
    this.getContentPane().add(jButtonCancel,  new XYConstraints(252, 301, 94, 30));
    this.getContentPane().add(jButtonOK, new XYConstraints(134, 300, 91, 31));
    this.getContentPane().add(jLabel4,  new XYConstraints(112, 221, 105, 34));
    this.getContentPane().add(jComboBoxpower,  new XYConstraints(260, 224, 125, 26));
  }
   //退出此窗口
  void jButtonCancel_mouseClicked(MouseEvent e) {
         this.dispose();
  }
  //添加新用户
  void jButtonOK_mouseClicked(MouseEvent e) {
    String strSQL ;
    //判断是否添加用户名
   if(jTextFieldusername.getText().trim().equals(""))
        {JOptionPane.showMessageDialog(null,"用户名不可为空 ，请确认！");
        return;
        }

    //校验用户两次输入的密码是否一致
    if(!jPasswordold.getText().toString().trim().equals(jPasswordnew.getText().toString().trim() )  )
     {JOptionPane.showMessageDialog(null,"两次输入的密码不一致，请确认！");
      return;
     }
   //校验用户输入的权限是否为空
   if(  jComboBoxpower.getSelectedItem().toString().trim().equals(""))
   {  JOptionPane.showMessageDialog(null,"权限不可为空，请确认！");
      return;
   }
 //生成sql语句，用户名和密码从相应文本框取得
   strSQL="select * from user where Username='"+jTextFieldusername.getText().toString().trim() +"'";
     //由DBManager对象执行查询过程
     rs=db.getResult(strSQL) ;
    //判断结果集是否为空
               boolean  isexist=false;
              try {
                isexist = rs.first();
              }
              catch (SQLException ex) {
              }
      //若已存在，则说明该系列产品已在仓库中存在，弹出警告信息
       if(isexist)
          {JOptionPane.showMessageDialog(null,"该用户账号已存在！");
          jTextFieldusername.setText("");
          jPasswordold.setText("");
          jPasswordnew.setText("");
          }
       else
       {
     strSQL="insert into  user(Username,Password,Power) values('"+jTextFieldusername.getText().trim() +"','";
    strSQL= strSQL+jPasswordold.getText().toString().trim()+"','"+jComboBoxpower.getSelectedItem().toString().trim()+"')";
  //由DBManager对象执行过程，若成功返回成功信息，若失败返回失败提示
    if(db.executeSql(strSQL))
                     {JOptionPane.showMessageDialog(null,"成功添加！");
                     jTextFieldusername.setText("");
                     jPasswordold.setText("");
                     jPasswordnew.setText("");}
    else
                     { JOptionPane.showMessageDialog(null," 添加失败，请重新操作！");      }
       }
   }

}

class userAdd_jButtonCancel_mouseAdapter extends java.awt.event.MouseAdapter {
  userAdd adaptee;

  userAdd_jButtonCancel_mouseAdapter(userAdd adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonCancel_mouseClicked(e);
  }
}

class userAdd_jButtonOK_mouseAdapter extends java.awt.event.MouseAdapter {
  userAdd adaptee;

  userAdd_jButtonOK_mouseAdapter(userAdd adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonOK_mouseClicked(e);
  }
}