delinf.java

java+access学籍管理系统 适合做毕业设计 和对数据库的操作时用！@

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

/**
 * <p>Title: 河南财经学院学籍管理系统</p>
 * <p>Description: 毕业设计项目</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * @author 任明辉
 * @version 1.0
 */

public class DelInf
    extends JFrame
    implements ActionListener {
  String strurl;
  Connection conn;
  Statement stmt;
  ResultSet rs;
  Label label1 = new Label();
  TextField textField1 = new TextField();
  Label label2 = new Label();
  TextField textField2 = new TextField();
  Label label3 = new Label();
  Choice choice1 = new Choice();
  Label label4 = new Label();
  TextField textField3 = new TextField();
  Label label5 = new Label();
  Choice choice2 = new Choice();
  Label label6 = new Label();
  TextField textField4 = new TextField();
  Label label7 = new Label();
  Choice choice3 = new Choice();
  Label label8 = new Label();
  TextField textField5 = new TextField();
  Label label9 = new Label();
  TextArea textArea1 = new TextArea();
  Button button1 = new Button();
  TextField textField6 = new TextField();
  Button button2 = new Button();
  Label label10 = new Label();

  public DelInf() {
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    label1.setText("学        号:");
    label1.setVisible(false);
    label1.setBounds(new Rectangle(30, 11, 51, 33));
    this.getContentPane().setLayout(null);
    textField1.setText("");
    textField1.setVisible(false);
    textField1.setBounds(new Rectangle(86, 16, 74, 22));
    label2.setBounds(new Rectangle(162, 11, 28, 33));
    label2.setText("姓名:");
    label2.setVisible(false);
    textField2.setText("");
    textField2.setVisible(false);
    textField2.setBounds(new Rectangle(192, 16, 44, 22));
    label3.setText("性别:");
    label3.setVisible(false);
    label3.setBounds(new Rectangle(241, 11, 28, 33));
    choice1.setEnabled(true);
    choice1.setFont(new java.awt.Font("Dialog", 0, 12));
    choice1.setForeground(Color.black);
    choice1.setLocale(java.util.Locale.getDefault());
    choice1.setVisible(false);
    choice1.setBounds(new Rectangle(275, 15, 50, 25));
    choice1.addItem("男");
    choice1.addItem("女");
    this.setEnabled(true);
    this.setResizable(false);
    this.setTitle("删除学生信息");
    label4.setBounds(new Rectangle(31, 53, 49, 33));
    label4.setText("出生日期:");
    label4.setVisible(false);
    textField3.setBounds(new Rectangle(86, 58, 74, 22));
    textField3.setLocale(java.util.Locale.getDefault());
    textField3.setText("");
    textField3.setVisible(false);
    label5.setText("政治面貌:");
    label5.setVisible(false);
    label5.setBounds(new Rectangle(241, 53, 47, 33));
    choice2.setBounds(new Rectangle(296, 57, 72, 25));
    choice2.setVisible(false);
    choice2.setLocale(java.util.Locale.getDefault());
    choice2.setForeground(Color.black);
    choice2.setFont(new java.awt.Font("Dialog", 0, 12));
    choice2.setEnabled(true);
    label6.setText("籍贯:");
    label6.setVisible(false);
    label6.setBounds(new Rectangle(163, 53, 26, 33));
    textField4.setBounds(new Rectangle(191, 58, 44, 22));
    textField4.setText("");
    textField4.setVisible(false);
    label7.setBounds(new Rectangle(30, 94, 50, 33));
    label7.setText("系        别:");
    label7.setVisible(false);
    choice3.setEnabled(true);
    choice3.setFont(new java.awt.Font("Dialog", 0, 12));
    choice3.setForeground(Color.black);
    choice3.setLocale(java.util.Locale.getDefault());
    choice3.setVisible(false);
    choice3.setBounds(new Rectangle(86, 98, 75, 25));
    label8.setBounds(new Rectangle(163, 94, 26, 33));
    label8.setText("专业:");
    label8.setVisible(false);
    textField5.setText("");
    textField5.setVisible(false);
    textField5.setBounds(new Rectangle(190, 99, 178, 22));
    label9.setText("备        注:");
    label9.setVisible(false);
    label9.setBounds(new Rectangle(27, 132, 50, 33));
    textArea1.setVisible(false);
    textArea1.setBounds(new Rectangle(84, 139, 285, 95));
    button1.setLabel("删除");
    button1.setVisible(false);
    button1.setBounds(new Rectangle(153, 241, 94, 22));
    button1.addActionListener(this);
    textField6.setText("");
    textField6.setBounds(new Rectangle(147, 92, 105, 23));
    button2.setFont(new java.awt.Font("Dialog", 1, 15));
    button2.setLabel("下一步");
    button2.setVisible(true);
    button2.setBounds(new Rectangle(156, 148, 89, 23));
    button2.addActionListener(this);
    label10.setFont(new java.awt.Font("Dialog", 1, 15));
    label10.setText("请输入要删除的学生学号");
    label10.setBounds(new Rectangle(110, 49, 178, 24));
    this.getContentPane().add(label3, null);
    this.getContentPane().add(label1, null);
    this.getContentPane().add(textField1, null);
    this.getContentPane().add(label2, null);
    this.getContentPane().add(textField2, null);
    this.getContentPane().add(choice1, null);
    this.getContentPane().add(label4, null);
    this.getContentPane().add(textField3, null);
    this.getContentPane().add(label6, null);
    this.getContentPane().add(textField4, null);
    this.getContentPane().add(label5, null);
    this.getContentPane().add(choice2, null);
    this.getContentPane().add(label7, null);
    this.getContentPane().add(choice3, null);
    this.getContentPane().add(label8, null);
    this.getContentPane().add(textField5, null);
    this.getContentPane().add(label9, null);
    this.getContentPane().add(textArea1, null);
    this.getContentPane().add(button2, null);
    this.getContentPane().add(textField6, null);
    this.getContentPane().add(label10, null);
    this.getContentPane().add(button1, null);
    choice2.addItem("团员");
    choice2.addItem("党员");
    choice2.addItem("其他");
    choice3.addItem("计算机");
    choice3.addItem("会计");
    choice3.addItem("国际贸易");
    choice3.addItem("财金");
    strurl =
        "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=DataBase/student.mdb";
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    conn = DriverManager.getConnection(strurl);
    stmt = conn.createStatement();
  }

  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == button2) {
      try {
        rs = stmt.executeQuery("SELECT * FROM BaseInf where 学号='" +
                               textField6.getText() + "'");
        if (rs.next()) {
          textField6.setVisible(false);
          button2.setVisible(false);
          label10.setVisible(false);
          label1.setVisible(true);
          label2.setVisible(true);
          label3.setVisible(true);
          label4.setVisible(true);
          label5.setVisible(true);
          label6.setVisible(true);
          label7.setVisible(true);
          label8.setVisible(true);
          label9.setVisible(true);
          textArea1.setVisible(true);
          textArea1.setText(rs.getString("备注"));
          textField1.setVisible(true);
          textField1.enable(false);
          textField1.setText(rs.getString("学号"));
          textField2.setVisible(true);
          textField2.setText(rs.getString("姓名"));
          textField3.setVisible(true);
          textField3.setText(rs.getString("出年日期"));
          textField4.setVisible(true);
          textField4.setText(rs.getString("籍贯"));
          textField5.setVisible(true);
          textField5.setText(rs.getString("专业"));
          choice1.setVisible(true);
          choice1.select(rs.getString("性别"));
          choice2.setVisible(true);
          choice2.select(rs.getString("政治面貌"));
          choice3.setVisible(true);
          choice3.select(rs.getString("系别"));
          button1.setVisible(true);
        }
        else
          JOptionPane.showMessageDialog(null, "无此学号对应信息", "警告",
                                        JOptionPane.WARNING_MESSAGE);
      }
      catch (Exception eg) {
        eg.printStackTrace();
      }
    }
    else if (e.getSource() == button1) {
      try {
        if (JOptionPane.showConfirmDialog(this, "确实要删除该生信息吗?\n删除的信息将不能恢复,继续?",
                                          "删除确定", JOptionPane.OK_CANCEL_OPTION,
                                          JOptionPane.QUESTION_MESSAGE) == 0) {
          stmt.execute("DELETE * FROM BaseInf where 学号='" + textField1.getText() +
                       "'");
          JOptionPane.showMessageDialog(null, "删除信息成功!");
          this.setVisible(false);
          this.dispose();
        }
      }
      catch (Exception eg) {
        eg.printStackTrace();
      }
    }
  }
}