chaxunstudentinfo.java

中小学校园的教师

package untitled2;

import javax.swing.*;
import java.awt.*;
import com.borland.jbcl.layout.*;
import java.awt.event.*;
import java.sql.*;
import java.io.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class chaXunStudentinfo extends JFrame {
  JButton jButton1 = new JButton();
  XYLayout xYLayout1 = new XYLayout();
  JTextArea jTextArea1 = new JTextArea();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel1 = new JLabel();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JButton jButton4 = new JButton();
  JTextField jTextField2 = new JTextField();
  JButton jButton5 = new JButton();
  JLabel jLabel2 = new JLabel();

  public chaXunStudentinfo() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  void jbInit() throws Exception {
    this.setResizable(true);
    this.setSize(new Dimension(800, 580));
    jButton1.setFont(new java.awt.Font("幼圆", 0, 13));
    jTextArea1.setEditable(false);
    jButton1.setForeground(Color.black);
    jButton1.setText("查询单个学生信息");
    jButton1.addActionListener(new chaXunStudentinfo_jButton1_actionAdapter(this));
    this.setTitle("查询所需学生信息");
    this.getContentPane().setLayout(xYLayout1);
    jTextArea1.setVerifyInputWhenFocusTarget(true);
    jTextArea1.setText("");
    jTextField1.setText("");
    jLabel1.setFont(new java.awt.Font("幼圆", 0, 13));
    jLabel1.setText("在下面输入学生学籍卡号");
    jButton2.setFont(new java.awt.Font("幼圆", 0, 13));
    jButton2.setText("按班级查询学生信息");
    jButton2.addActionListener(new chaXunStudentinfo_jButton2_actionAdapter(this));
    jButton3.setFont(new java.awt.Font("幼圆", 0, 13));
    jButton3.setText("清空");
    jButton3.addActionListener(new chaXunStudentinfo_jButton3_actionAdapter(this));
    jButton4.setFont(new java.awt.Font("幼圆", 0, 13));
    jButton4.setText("退出");
    jButton4.addActionListener(new chaXunStudentinfo_jButton4_actionAdapter(this));
    xYLayout1.setWidth(800);
    xYLayout1.setHeight(580);
    jTextField2.setText("");
    jButton5.setFont(new java.awt.Font("幼圆", 0, 13));
    jButton5.setText("查询所有学生信息");
    jButton5.addActionListener(new chaXunStudentinfo_jButton5_actionAdapter(this));
    jLabel2.setFont(new java.awt.Font("幼圆", 0, 13));
    jLabel2.setVerifyInputWhenFocusTarget(true);
    jLabel2.setText("在下面面输入班级编号");
    this.getContentPane().add(jTextArea1,      new XYConstraints(28, 281, 751, 278));
    this.getContentPane().add(jLabel2, new XYConstraints(35, 99, 152, 39));
    this.getContentPane().add(jTextField1, new XYConstraints(184, 49, 164, 31));
    this.getContentPane().add(jTextField2, new XYConstraints(177, 139, 168, 34));
    this.getContentPane().add(jButton1,   new XYConstraints(482, 48, 138, 39));
    this.getContentPane().add(jLabel1, new XYConstraints(26, 9, 152, 39));
    this.getContentPane().add(jButton3,   new XYConstraints(88, 221, 111, 34));
    this.getContentPane().add(jButton2, new XYConstraints(484, 137, 172, 38));
    this.getContentPane().add(jButton5,   new XYConstraints(486, 215, 169, 40));
    this.getContentPane().add(jButton4,   new XYConstraints(295, 216, 114, 40));
  }

  void jButton3_actionPerformed(ActionEvent e) {
    if(jTextArea1.getText().trim().length()==0)
    {
     // JOptionPane.showConfirmDialog(this,"确定清空数据吗？","Confirm!",YES_NO_OPTION);
    }
jTextField1.setText("");
    jTextField2.setText("");
    jTextArea1.setText("");
  }

  void jButton4_actionPerformed(ActionEvent e) {
this.dispose();
  }

  void jButton1_actionPerformed(ActionEvent e) {
    if(jTextField1.getText().trim().length()==0)
    {
      JOptionPane.showMessageDialog(null,"请输入查询条件");
    }
          jTextArea1.setText("");
          Connection con = null;
          jTextArea1.setText("学籍卡号\t班级号\t学生编号\t入学时间\t性别\t生日\t姓名\t住址\t民族\t籍贯\n");
          try{
            int s=Integer.parseInt(jTextField1.getText().trim());
            con = DBConnection.getConnection();
            String columnName="card_id";
            String sql = "select * from dbo.student  where " + columnName + "='" + s +"'";
            PreparedStatement ps = con.prepareStatement(sql);
            ResultSet rs = ps.executeQuery();
            while(rs.next())
            {
              int i=1;
              // jCBGrade.addItem(rs.getString("grade_name"));
              while(i<=11)
                jTextArea1.append(rs.getString(i++).toString()+"\t");
                jTextArea1.append("\n");
            }
            if(!rs.next())
              JOptionPane.showMessageDialog(null,"对应学籍号为'"+jTextField1.getText().trim()+"'的数据不存在");
            DbUtil.close(rs);
            DbUtil.close(ps);
          }catch(Exception ee){
            ee.printStackTrace();
          }finally{
            DbUtil.close(con);
          }

  }

  void jButton5_actionPerformed(ActionEvent e) {
    String sql = "SELECT * FROM student ";
    jTextArea1.setText("");

      Connection con = null;
      jTextArea1.setText("学籍卡号\t班级号\t学生编号\t入学时间\t性别\t生日\t姓名\t住址\t民族\t籍贯\n");
      try{
        con = DBConnection.getConnection();
        PreparedStatement ps = con.prepareStatement(sql);
        ResultSet rs = ps.executeQuery();
        int counter=0;
        while(rs.next())
        {
          counter++;
          int i=1;
          // jCBGrade.addItem(rs.getString("grade_name"));
         while(i<=11)
          jTextArea1.append(rs.getString(i++)+"\t");
          jTextArea1.append("\n");
        }
        jTextArea1.append("\n\n共找到\t"+Integer.toString(counter)+"\t条记录");
        DbUtil.close(rs);
        DbUtil.close(ps);
      }catch(Exception ee){
        ee.printStackTrace();
      }finally{
        DbUtil.close(con);
      }

      //for(int i=1;i<=10;i++){
       // jCBClass_Num.addItem(String.valueOf(i));
      //}

  }

  void jButton2_actionPerformed(ActionEvent e) {

    if(jTextField2.getText().trim().length()==0)
       {
         JOptionPane.showMessageDialog(null,"请输入查询条件");
       }

      Connection con = null;
             jTextArea1.setText("学籍卡号\t班级号\t学生编号\t入学时间\t性别\t生日\t姓名\t住址\t民族\t籍贯\n");
         String columnName="class_id";
         int s=Integer.parseInt(jTextField2.getText().trim());
         String sql ="select * from dbo.student  where " + columnName + "='" + s +
          "'";

       try{ con = DBConnection.getConnection();
        PreparedStatement ps = con.prepareStatement(sql);
        ResultSet rs = ps.executeQuery();
          int counter=0;
        while(rs.next())
        {
          counter++;
          int i=1;
          // jCBGrade.addItem(rs.getString("grade_name"));
         while(i<=11)
          jTextArea1.append(rs.getString(i++)+"\t");
          jTextArea1.append("\n");
        }
        jTextArea1.append("\n\n共找到\t"+Integer.toString(counter)+"\t条记录");
        DbUtil.close(rs);
        DbUtil.close(ps);
      }catch(Exception ee){
        ee.printStackTrace();
      }finally{
        DbUtil.close(con);
      }

  }


}

class chaXunStudentinfo_jButton3_actionAdapter implements java.awt.event.ActionListener {
  chaXunStudentinfo adaptee;

  chaXunStudentinfo_jButton3_actionAdapter(chaXunStudentinfo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton3_actionPerformed(e);
  }
}

class chaXunStudentinfo_jButton4_actionAdapter implements java.awt.event.ActionListener {
  chaXunStudentinfo adaptee;

  chaXunStudentinfo_jButton4_actionAdapter(chaXunStudentinfo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton4_actionPerformed(e);
  }
}

class chaXunStudentinfo_jButton1_actionAdapter implements java.awt.event.ActionListener {
  chaXunStudentinfo adaptee;

  chaXunStudentinfo_jButton1_actionAdapter(chaXunStudentinfo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class chaXunStudentinfo_jButton5_actionAdapter implements java.awt.event.ActionListener {
  chaXunStudentinfo adaptee;

  chaXunStudentinfo_jButton5_actionAdapter(chaXunStudentinfo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton5_actionPerformed(e);
  }
}

class chaXunStudentinfo_jButton2_actionAdapter implements java.awt.event.ActionListener {
  chaXunStudentinfo adaptee;

  chaXunStudentinfo_jButton2_actionAdapter(chaXunStudentinfo adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}