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📄 asstostudent1.java

📁 学生成绩管理系统
💻 JAVA
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/*
 * Stu1.java
 *
 * Created on 2007年11月20日, 下午8:11
 */

package javaapplication1;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.JOptionPane;

/**
 *
 * @author  mis05
 */
public class Asstostudent1 extends javax.swing.JFrame {
    
    /** Creates new form Stu1 */
    public Asstostudent1() {
        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();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jTextField5 = new javax.swing.JTextField();
        jTextField6 = new javax.swing.JTextField();
        jTextField7 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jLabel1.setText("\u5b66\u751f\u7f16\u53f7");

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

        jLabel3.setText("\u6027\u522b");

        jLabel4.setText("\u51fa\u751f\u5e74\u6708");

        jLabel5.setText("\u653f\u6cbb\u9762\u8c8c");

        jLabel6.setText("\u4e13\u4e1a\u540d\u79f0");

        jLabel7.setText("\u8054\u7cfb\u7535\u8bdd");

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

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createSequentialGroup()
                        .add(49, 49, 49)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                            .add(layout.createSequentialGroup()
                                .add(jLabel7)
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                .add(jTextField7))
                            .add(layout.createSequentialGroup()
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                                    .add(jLabel1)
                                    .add(jLabel3))
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                                    .add(jTextField3)
                                    .add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 71, Short.MAX_VALUE)))
                            .add(layout.createSequentialGroup()
                                .add(jLabel5)
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                .add(jTextField5)))
                        .add(40, 40, 40)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(jLabel2)
                            .add(jLabel4)
                            .add(jLabel6))
                        .add(23, 23, 23)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                            .add(jTextField6)
                            .add(jTextField4)
                            .add(jTextField2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 71, Short.MAX_VALUE)))
                    .add(layout.createSequentialGroup()
                        .add(151, 151, 151)
                        .add(jButton1)))
                .addContainerGap(97, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(34, 34, 34)
                .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(jLabel2)
                    .add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(30, 30, 30)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel3)
                    .add(jTextField3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel4)
                    .add(jTextField4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(36, 36, 36)
                .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(jLabel6)
                    .add(jTextField6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(36, 36, 36)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel7)
                    .add(jTextField7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(22, 22, 22)
                .add(jButton1)
                .addContainerGap(39, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void add(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_add
Statement sql;
        
        try{
            Conect conect = new Conect();
            sql = conect.dbConn.createStatement();
            
            String number = jTextField1.getText();
            String name = jTextField2.getText();
            String sex = jTextField3.getText();
            String year = jTextField4.getText();
            String politic = jTextField5.getText();
            String cla = jTextField6.getText();
            String tel = jTextField7.getText();
            String classNo = null;
            int temp = 1;
            
            if( number.equals("") || cla.equals("") )
            {
                JOptionPane.showMessageDialog(null,"学生编号、所属班级不能为空","错误",JOptionPane.ERROR_MESSAGE);
            }
            else
            {
                ResultSet rs1 = sql.executeQuery("SELECT 学生编号 from 学生 where 学生编号 ='"+number+"'");
                if( rs1.next() )
                {
                    JOptionPane.showMessageDialog(null,"已存在此学号","错误",JOptionPane.ERROR_MESSAGE);
                    temp --;
                }
                
                rs1 = sql.executeQuery("SELECT 专业编号 FROM 专业 WHERE 专业名称 ='"+ cla +"'");
                if( rs1.next() )
                {
                    classNo = rs1.getObject(1).toString();
                    temp ++;
                }
                else JOptionPane.showMessageDialog(null,"不存在该专业","错误",JOptionPane.ERROR_MESSAGE);
                
                if( temp == 2 )
                {   
                    String update = "INSERT into 学生 (学生编号,姓名,性别,出生日期,政治面貌,专业名称,联系电话,密码,登录) values ('"+number+"','"+name+"','"+sex+"','"+year+"','"+politic+"','"+cla+"','"+tel+"','"+number+"',0)";
                    
                    int reg;                
                    reg = sql.executeUpdate( update );
                    
                    JOptionPane.showMessageDialog(null,"已成功新建学生","成功",JOptionPane.INFORMATION_MESSAGE);
                    dispose();
                }
            }
            
        } 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_add
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Asstostudent1().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    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.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    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;
    private javax.swing.JTextField jTextField6;
    private javax.swing.JTextField jTextField7;
    // End of variables declaration//GEN-END:variables
    
}

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