outinfoupdate.java~6~

来自「教材管理系统」· JAVA~6~ 代码 · 共 254 行

package bookmanager;

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

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class outInfoUpdate
    extends JFrame {
  //定义结果集
  ResultSet rs;
  //定义数据库操作对象
  private DBManager db = new DBManager();

  XYLayout xYLayout1 = new XYLayout();
  JButton jButtonupdate = new JButton();
  JButton jButtonexit = new JButton();
  JButton jButtondeciside = new JButton();
  JButton jButtonClear = new JButton();
  JLabel jLabel8 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JTextField jTextbookname = new JTextField();
  JTextField jTextborrowdate = new JTextField();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField jTextcomment = new JTextField();
  JTextField jTextstudentname = new JTextField();
  JLabel jLabel5 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel6 = new JLabel();
  JTextField jTextField2 = new JTextField();

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

  public static void main(String[] args) {
   outInfoUpdate borrowInfoUpdate = new outInfoUpdate();
  }

  private void jbInit() throws Exception {
    jButtonClear.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonClear.setText("清空");
    jButtonClear.addMouseListener(new
                                  outInfoUpdate_jButtonClear_mouseAdapter(this));
    jButtondeciside.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtondeciside.setText("确定");
    jButtondeciside.addMouseListener(new
        outInfoUpdate_jButtondeciside_mouseAdapter(this));
    jButtonexit.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonexit.setText("退出");
    jButtonexit.addMouseListener(new outInfoUpdate_jButtonexit_mouseAdapter(this));
    jButtonupdate.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonupdate.setText("更新");
    jButtonupdate.addMouseListener(new
                                   outInfoUpdate_jButtonupdate_mouseAdapter(this));
    this.getContentPane().setLayout(xYLayout1);
    jLabel8.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel8.setText("输入出库用户或书名点击确定，将调出此书相关信息");
    jLabel4.setText("领书用户");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextbookname.setText("");
    jTextbookname.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextborrowdate.setText("");
    jTextborrowdate.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("出库用户");
    jLabel1.setRequestFocusEnabled(true);
    jLabel1.setToolTipText("");
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("出库日期");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("书名");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextcomment.setText("");
    jTextcomment.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextstudentname.setText("");
    jTextstudentname.setFont(new java.awt.Font("Dialog", 0, 16));
    xYLayout1.setWidth(477);
    xYLayout1.setHeight(442);
    this.setTitle("教材出库信息");
    jLabel5.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel5.setText("出库数量");
    jTextField1.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextField1.setText("");
    jLabel6.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel6.setText("仓库号");
    jTextField2.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextField2.setText("");
    this.getContentPane().add(jTextstudentname,
                              new XYConstraints(219, 90, 150, 26));
    this.getContentPane().add(jTextbookname,
                                new XYConstraints(218, 137, 154, 30));
    this.getContentPane().add(jTextborrowdate,
                              new XYConstraints(218, 187, 153, -1));
    this.getContentPane().add(jLabel1, new XYConstraints(91, 86, 88, 33));
    this.getContentPane().add(jLabel3, new XYConstraints(88, 200, 87, 29));
    this.getContentPane().add(jLabel2, new XYConstraints(88, 144, 89, 35));
    this.getContentPane().add(jLabel8, new XYConstraints(17, 26, 435, 25));
    this.getContentPane().add(jLabel5,  new XYConstraints(93, 243, 75, 28));
    this.getContentPane().add(jTextField1, new XYConstraints(220, 236, 151, 28));
    this.getContentPane().add(jTextcomment, new XYConstraints(221, 287, 154, -1));
    this.getContentPane().add(jLabel4, new XYConstraints(93, 289, 73, 29));
    this.getContentPane().add(jLabel6,  new XYConstraints(100, 335, 66, 24));
    this.getContentPane().add(jTextField2,   new XYConstraints(218, 336, 159, 28));
    this.getContentPane().add(jButtonClear, new XYConstraints(97, 390, 66, 28));
    this.getContentPane().add(jButtondeciside, new XYConstraints(162, 391, -1, 28));
    this.getContentPane().add(jButtonupdate, new XYConstraints(228, 392, 74, 27));
    this.getContentPane().add(jButtonexit, new XYConstraints(302, 390, 75, 28));
  }

  void jButtondeciside_mouseClicked(MouseEvent e) {
    String sql;
    if (jTextstudentname.getText().trim().length() == 0 &&
        jTextbookname.getText().trim().length() == 0) {
      JOptionPane.showMessageDialog(null, "至少输入一个检索条件!");
      return;
    }
    //定义变量，用来判断是否是第一个查询条件
    boolean isfirst = true;
    sql = "select * from Bookout ";
    //如果学生姓名的查询条件不为空
    if (jTextstudentname.getText().trim().length() == 0) {}
    else {
      sql = sql + "  where  Studentname='" + jTextstudentname.getText().trim() +
          "'";
      isfirst = false;
    }
    //如果书名的查询条件不为空
    if (jTextbookname.getText().trim().length() == 0) {}
    else { //如果是第一个查询条件
      if (isfirst)
        sql = sql + " where Bookname='" + jTextbookname.getText().trim() + "'";
        //如果是第二个查询条件
      else
        sql = sql + " and Bookname='" + jTextbookname.getText().trim() + "'";
    }
    //执行数据库的查询操作
    rs = db.getResult(sql);
    try {
      //判断返回的结果集是否为空，若不为空显示第一条记录
      if (!rs.equals(null)) {
        rs.first();
        jTextstudentname.setText(rs.getString("Studentname"));
        jTextbookname.setText(rs.getString("Bookname"));
        jTextborrowdate.setText(rs.getString("outdate"));
        jTextcomment.setText(rs.getString("Comment"));
      }
      else {
        JOptionPane.showMessageDialog(null, "无次纪录!");
      }
    } //若出现异常，弹出警告对话框
    catch (SQLException ex) {
      JOptionPane.showMessageDialog(null, "发生错误!");
    }
  }

  //清空文本框
  void jButtonClear_mouseClicked(MouseEvent e) {
    jTextstudentname.setText("");
    jTextbookname.setText("");
    jTextborrowdate.setText("");
    jTextcomment.setText("");
  }

  void jButtonexit_mouseClicked(MouseEvent e) {
    this.dispose();
  }

  void jButtonupdate_mouseClicked(MouseEvent e) {
    String strSQL;
    //生成更新sql语句
    strSQL = "update Bookout set  ";
    strSQL = strSQL + " outdate='" + jTextborrowdate.getText().trim() + "',";
    strSQL = strSQL + " Comment='" + jTextcomment.getText().trim() + "'";
    strSQL = strSQL + " where Studentname='" + jTextstudentname.getText().trim() +
        "'";
    strSQL = strSQL + " and Bookname='" + jTextbookname.getText().trim() + "'";
    //由数据库操作对象执行数据库操作，并返回操作成功失败的提示信息
    if (db.executeSql(strSQL)) {
      JOptionPane.showMessageDialog(null, "成功更新！");
    }
    else {
      JOptionPane.showMessageDialog(null, " 更新失败，请重新操作！");
    }
  }
}

class outInfoUpdate_jButtondeciside_mouseAdapter
    extends java.awt.event.MouseAdapter {
 outInfoUpdate adaptee;

  outInfoUpdate_jButtondeciside_mouseAdapter(outInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtondeciside_mouseClicked(e);
  }
}

class outInfoUpdate_jButtonClear_mouseAdapter
    extends java.awt.event.MouseAdapter {
 outInfoUpdate adaptee;

  outInfoUpdate_jButtonClear_mouseAdapter(outInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonClear_mouseClicked(e);
  }
}

class outInfoUpdate_jButtonexit_mouseAdapter
    extends java.awt.event.MouseAdapter {
  outInfoUpdate adaptee;

  outInfoUpdate_jButtonexit_mouseAdapter(outInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonexit_mouseClicked(e);
  }
}

class outInfoUpdate_jButtonupdate_mouseAdapter
    extends java.awt.event.MouseAdapter {
  outInfoUpdate adaptee;

 outInfoUpdate_jButtonupdate_mouseAdapter(outInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonupdate_mouseClicked(e);
  }
}