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📄 学生信息.java

📁 经过调查分析
💻 JAVA
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/*
 * 学生信息.java
 *
 * Created on 2008年10月12日, 上午10:39
 */

package javaapplication1;
import java.sql.*;
import java.util.*;
import java.awt.*;
import javax.swing.*;
/**
 *
 * @author  mis06
 */
public class 学生信息 extends javax.swing.JPanel {
    
    /** Creates new form 学生信息 */
    public 学生信息() {
        initComponents();
        
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jTextField3 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jLabel4 = new javax.swing.JLabel();
        jTextField4 = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        jTextField5 = new javax.swing.JTextField();

        jLabel1.setText("\u5b66\u53f7");

        jLabel2.setText("\u59d3\u540d");

        jLabel3.setText("\u73ed\u7ea7\u7f16\u53f7");

        jButton1.setText("\u6dfb\u52a0");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("\u4fee\u6539");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("\u5220\u9664");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jLabel4.setText("\u5165\u5b66\u65e5\u671f");

        jLabel5.setText("\u6bd5\u4e1a\u65e5\u671f");

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(92, 92, 92)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                        .add(jLabel1)
                        .add(jLabel3)
                        .add(jLabel2)
                        .add(org.jdesktop.layout.GroupLayout.TRAILING, jButton1))
                    .add(jLabel4)
                    .add(jLabel5))
                .add(23, 23, 23)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                    .add(jTextField5)
                    .add(jTextField4)
                    .add(layout.createSequentialGroup()
                        .add(jButton2)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .add(jButton3))
                    .add(jTextField2)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 136, Short.MAX_VALUE)
                    .add(jTextField3))
                .add(278, 278, 278))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel1)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(19, 19, 19)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(jLabel2)
                    .add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(33, 33, 33)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(jLabel3)
                    .add(jTextField3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(27, 27, 27)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel4)
                    .add(jTextField4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(32, 32, 32)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel5)
                    .add(jTextField5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(42, 42, 42)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton1)
                    .add(jButton2)
                    .add(jButton3))
                .addContainerGap(107, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
    
     Statement statement;

        try{
            Connect con = new Connect();
            statement= con.con.createStatement();
            
            String studentNumber=jTextField1.getText();
            String studentName=jTextField2.getText();
            String classNumber =jTextField3.getText();
            
            
            String sql1="delete from 学生  where 学号='"+studentNumber+"'";
            int reg= statement.executeUpdate(sql1);
            
            String sql2="delete from 用户  where 编号='"+studentNumber+"'";
            int reg0= statement.executeUpdate(sql2);
           
            if(reg==1&&reg0==1)    
            JOptionPane.showMessageDialog(null,"成功删除学生信息");
            
            else
            JOptionPane.showMessageDialog(null,"不存在该学生!");
            
       }
    catch(SQLException sqlException){
        JOptionPane.showMessageDialog(null,sqlException.getMessage(),"Database Error",JOptionPane.ERROR_MESSAGE);
        System.exit(1);}
   catch(ClassNotFoundException classNotFound){
       JOptionPane.showMessageDialog(null,classNotFound.getMessage(),"Driver Not Found",JOptionPane.ERROR_MESSAGE);
        System.exit(1); }// TODO add your handling code here:
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
    
    Statement statement;

        try{
            Connect con = new Connect();
            statement= con.con.createStatement();
            
           String studentNumber=jTextField1.getText();
            String studentName=jTextField2.getText();
            String classNumber =jTextField3.getText();
            String entranceTime=jTextField4.getText();
            String leaveTime=jTextField5.getText();
            
            String sql1="update 学生 set 班级编号='"+classNumber+"',入学日期='"+entranceTime+"',毕业日期='"+leaveTime+"' where 学号='"+studentNumber+"'";
            int reg= statement.executeUpdate(sql1);
           
            if(reg==1)    
            JOptionPane.showMessageDialog(null,"成功修改学生信息");
            
            else
            JOptionPane.showMessageDialog(null,"不存在该学生或输入学号与姓名不对应!");
            
       }
    catch(SQLException sqlException){
        JOptionPane.showMessageDialog(null,sqlException.getMessage(),"Database Error",JOptionPane.ERROR_MESSAGE);
        System.exit(1);}
   catch(ClassNotFoundException classNotFound){
       JOptionPane.showMessageDialog(null,classNotFound.getMessage(),"Driver Not Found",JOptionPane.ERROR_MESSAGE);
        System.exit(1); }// TODO add your handling code here:
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
    
     Statement statement;

        try{
            Connect con = new Connect();
            statement= con.con.createStatement();
            
            String studentNumber=jTextField1.getText();
            String studentName=jTextField2.getText();
            String classNumber =jTextField3.getText();
            String entranceTime=jTextField4.getText();
            String leaveTime=jTextField5.getText();
            
             String sql2="insert into 用户(编号,密码,类型,状态) values('"+studentNumber+"','"+studentNumber+"','学生','未登录')";
            int reg0= statement.executeUpdate(sql2);
           String sql1="insert into 学生(学号,姓名,班级编号,入学日期,毕业日期) values('"+studentNumber+"','"+studentName+"','"+classNumber+"','"+entranceTime+"','"+leaveTime+"')";
            int reg= statement.executeUpdate(sql1);
            
            
           
            if(reg==1&&reg0==1)    
            JOptionPane.showMessageDialog(null,"成功添加学生信息");
             else
             JOptionPane.showMessageDialog(null,"添加失败!"); 
       }
    catch(SQLException sqlException){
        JOptionPane.showMessageDialog(null,sqlException.getMessage(),"Database Error",JOptionPane.ERROR_MESSAGE);
        System.exit(1);}
   catch(ClassNotFoundException classNotFound){
       JOptionPane.showMessageDialog(null,classNotFound.getMessage(),"Driver Not Found",JOptionPane.ERROR_MESSAGE);
        System.exit(1); }
    // TODO add your handling code here:
    }//GEN-LAST:event_jButton1ActionPerformed
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    private javax.swing.JTextField jTextField5;
    // End of variables declaration//GEN-END:variables
    
}

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