📄 asstostudent3.java
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/*
* Stu3.java
*
* Created on 2007年11月24日, 上午9:21
*/
package javaapplication1;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.JOptionPane;
/**
*
* @author mis05
*/
public class Asstostudent3 extends javax.swing.JFrame {
/** Creates new form Stu3 */
public Asstostudent3() {
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("\u4fee\u6539");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
update(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(58, 58, 58)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
.add(jButton1)
.add(layout.createSequentialGroup()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jLabel1)
.add(jLabel3)
.add(jLabel5)
.add(jLabel7))
.add(12, 12, 12)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
.add(jTextField7)
.add(jTextField5)
.add(jTextField3)
.add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 76, Short.MAX_VALUE))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jLabel2)
.add(jLabel4)
.add(jLabel6))))
.add(19, 19, 19)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
.add(jTextField6)
.add(jTextField4)
.add(jTextField2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 77, Short.MAX_VALUE))
.addContainerGap(52, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(43, 43, 43)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel1)
.add(jLabel2)
.add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(24, 24, 24)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel4)
.add(jTextField3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jTextField4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jLabel3))
.add(30, 30, 30)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel6)
.add(jTextField5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jTextField6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jLabel5))
.add(35, 35, 35)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jTextField7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jLabel7))
.add(28, 28, 28)
.add(jButton1)
.addContainerGap(37, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void update(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_update
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 claNo = null;
int temp = 0;
if( number.equals("") )
{
JOptionPane.showMessageDialog(null,"学号不能为空","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() )
{
temp++;
}
else JOptionPane.showMessageDialog(null,"不存在此学号","错误",JOptionPane.ERROR_MESSAGE);
}
if( !cla.equals("") )
{
ResultSet rs = sql.executeQuery("SELECT 专业编号 FROM 专业 WHERE 专业名称 ='"+ cla +"'");
if( rs.next() )
{
claNo = (String) rs.getObject(1);
}
else
{
JOptionPane.showMessageDialog(null,"不存在该专业","错误",JOptionPane.ERROR_MESSAGE);
temp --;
}
}
if( temp == 1 )
{
int reg;
if( !name.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 姓名 = '"+ name + "' WHERE 学生编号 = '"+ number +"'");
}
if( !sex.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 性别 = '"+ sex + "' WHERE 学生编号 = '"+ number +"'");
}
if( !year.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 出生年月 = '"+ year + "' WHERE 学生编号 = '"+ number +"'");
}
if( !politic.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 政治面貌 = '"+ politic + "' WHERE 学生编号 = '"+ number +"'");
}
if( !cla.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 专业名称 = '"+ cla + "' WHERE 学生编号 = '"+ number +"'");
}
if( !tel.equals("") )
{
reg = sql.executeUpdate("UPDATE 学生 SET 联系电话 = '"+ tel + "' WHERE 学生编号 = '"+ number +"'");
}
JOptionPane.showMessageDialog(null,"已成功修改学生信息","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_update
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Asstostudent3().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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