userupdate.java~2~
来自「教材管理系统」· JAVA~2~ 代码 · 共 204 行
JAVA~2~
204 行
package bookmanager;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.*;
import java.sql.*;
import java.awt.event.*;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class userUpdate
extends JFrame {
//定义结果集
ResultSet rs;
//定义数据库操作对象
private DBManager db = new DBManager();
XYLayout xYLayout1 = new XYLayout();
JButton jButtonCancel = new JButton();
JLabel jLabel2 = new JLabel();
JButton jButtonOK = new JButton();
JPasswordField jPasswordold = new JPasswordField();
JLabel jLabel1 = new JLabel();
JTextField jTextFieldusername = new JTextField();
JPasswordField jPasswordnew = new JPasswordField();
JLabel jLabel3 = new JLabel();
JPasswordField jPasswordnewconfirm = new JPasswordField();
JLabel jLabel4 = new JLabel(); JLabel jLabel5 = new JLabel(); JTextField jTextField1 = new JTextField(); JLabel jLabel6 = new JLabel(); JTextField jTextField2 = new JTextField(); JLabel jLabel7 = new JLabel(); JTextField jTextField3 = new JTextField(); JLabel jLabel8 = new JLabel(); JTextField jTextField4 = new JTextField(); JLabel jLabel9 = new JLabel(); JTextField jTextField5 = new JTextField();
public userUpdate() {
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
userUpdate userUpdate = new userUpdate();
}
private void jbInit() throws Exception {
jTextFieldusername.setText("");
jTextFieldusername.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel1.setText("用户名");
jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
jPasswordold.setText("");
jButtonOK.setText("更新");
jButtonOK.addMouseListener(new userUpdate_jButtonOK_mouseAdapter(this));
jButtonOK.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel2.setText("原密码");
jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
jButtonCancel.setText("取消");
jButtonCancel.addMouseListener(new userUpdate_jButtonCancel_mouseAdapter(this));
jButtonCancel.setFont(new java.awt.Font("Dialog", 0, 16));
this.getContentPane().setLayout(xYLayout1);
xYLayout1.setWidth(463);
xYLayout1.setHeight(596);
jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel3.setText("新密码");
jPasswordnew.setFont(new java.awt.Font("Dialog", 0, 16));
jPasswordnew.setText("");
jPasswordnewconfirm.setText("");
jPasswordnewconfirm.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel4.setText("确认新密码");
jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
this.setTitle("更改密码");
jLabel5.setFont(new java.awt.Font("Dialog", 0, 16)); jLabel5.setText("所在专业"); jTextField1.setText("jTextField1"); jLabel6.setFont(new java.awt.Font("Dialog", 0, 16)); jLabel6.setText("所在院系"); jTextField2.setText("jTextField2"); jLabel7.setFont(new java.awt.Font("Dialog", 0, 16)); jLabel7.setText("联系电话"); jTextField3.setText("jTextField3"); jLabel8.setFont(new java.awt.Font("Dialog", 0, 16)); jLabel8.setText("专业人数"); jTextField4.setText("jTextField4"); jLabel9.setFont(new java.awt.Font("Dialog", 0, 16)); jLabel9.setText("入学时间"); jTextField5.setText("jTextField5"); this.getContentPane().add(jTextFieldusername,
new XYConstraints(233, 49, 143, 33));
this.getContentPane().add(jPasswordold, new XYConstraints(230, 110, 144, 32));
this.getContentPane().add(jPasswordnew, new XYConstraints(234, 160, 143, 31));
this.getContentPane().add(jPasswordnewconfirm,
new XYConstraints(235, 214, 141, 31));
this.getContentPane().add(jLabel2, new XYConstraints(92, 104, 80, 34));
this.getContentPane().add(jLabel4, new XYConstraints(92, 208, 125, 30));
this.getContentPane().add(jLabel1, new XYConstraints(92, 45, 99, 34));
this.getContentPane().add(jLabel3, new XYConstraints(90, 156, 62, 30)); this.getContentPane().add(jButtonOK, new XYConstraints(111, 527, 91, 31)); this.getContentPane().add(jButtonCancel, new XYConstraints(262, 527, 94, 34)); this.getContentPane().add(jLabel5, new XYConstraints(96, 272, 80, 25)); this.getContentPane().add(jTextField1, new XYConstraints(233, 266, 149, 33)); this.getContentPane().add(jLabel6, new XYConstraints(89, 325, 91, 31)); this.getContentPane().add(jTextField2, new XYConstraints(233, 325, 147, 28)); this.getContentPane().add(jTextField3, new XYConstraints(228, 378, 155, 29)); this.getContentPane().add(jLabel7, new XYConstraints(96, 377, 94, 34)); this.getContentPane().add(jTextField4, new XYConstraints(228, 430, 153, 32)); this.getContentPane().add(jTextField5, new XYConstraints(226, 475, 156, 29)); this.getContentPane().add(jLabel8, new XYConstraints(95, 439, 82, 26)); this.getContentPane().add(jLabel9, new XYConstraints(92, 476, 111, 30));
}
void jButtonCancel_mouseClicked(MouseEvent e) {
this.dispose();
}
void jButtonOK_mouseClicked(MouseEvent e) {
String strSQL;
//校验用户名是否为空
if (jTextFieldusername.getText().trim().equals("")) {
JOptionPane.showMessageDialog(null, "用户名不许为空!");
return;
}
//校验原密码是否为空
if (jPasswordold.getText().trim().equals("")) {
JOptionPane.showMessageDialog(null, "密码不许为空!");
return;
}
//检验用户两次输入的密码是否一致
if (!jPasswordnewconfirm.getText().trim().equals(jPasswordnew.getText().
trim())) {
JOptionPane.showMessageDialog(null, "两次输入的密码不一致!");
return;
}
//检验用户名是否存在
strSQL = "select * from user where Username='" +
jTextFieldusername.getText().trim() + "' and Password='" +
jPasswordold.getText().trim() + "'";
rs = db.getResult(strSQL);
boolean isexist = false;
try {
isexist = rs.first();
}
catch (SQLException ex1) {
}
//若用户名不存在,提示警告信息提醒用户从新输入
if (!isexist)
{
JOptionPane.showMessageDialog(null, "用户名不存在,或原密码不正确!");
}
//若存在,执行更新操作
else {
//生成更新sql语句
strSQL = "update user set Password='" + jPasswordnew.getText().trim() +
"' where Username='" + jTextFieldusername.getText().trim() + "'";
//由数据库操作对象执行数据库操作,并返回操作成功失败的提示信息
if (db.executeSql(strSQL)) {
JOptionPane.showMessageDialog(null, "成功更新!");
}
else {
JOptionPane.showMessageDialog(null, " 更新失败,请重新操作!");
}
}
}
}
class userUpdate_jButtonCancel_mouseAdapter
extends java.awt.event.MouseAdapter {
userUpdate adaptee;
userUpdate_jButtonCancel_mouseAdapter(userUpdate adaptee) {
this.adaptee = adaptee;
}
public void mouseClicked(MouseEvent e) {
adaptee.jButtonCancel_mouseClicked(e);
}
}
class userUpdate_jButtonOK_mouseAdapter
extends java.awt.event.MouseAdapter {
userUpdate adaptee;
userUpdate_jButtonOK_mouseAdapter(userUpdate adaptee) {
this.adaptee = adaptee;
}
public void mouseClicked(MouseEvent e) {
adaptee.jButtonOK_mouseClicked(e);
}
}
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?