ininfoupdate.java~9~

来自「教材管理系统」· JAVA~9~ 代码 · 共 258 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 inInfoUpdate
    extends JFrame {
  ResultSet rs; //定义结果集
  private DBManager db = new DBManager(); //定义数据库操作对象

  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel8 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JTextField jTextFieldname = new JTextField();
  JLabel jLabel1 = new JLabel();
  JButton jButtonupdate = new JButton();
  JLabel jLabel2 = new JLabel();
  JButton jButtonexit = new JButton();
  JTextField jTextcomment = new JTextField();
  JButton jButtondicision = new JButton();
  JButton jButtonClear = new JButton();
  JTextField jTextFieldusername = new JTextField();
  JTextField jTextFieldindate = new JTextField();
  JLabel jLabel5 = new JLabel();
  JLabel jLabel6 = new JLabel();
  JTextField jTextFieldinnum = new JTextField();
  JLabel jLabel3 = new JLabel();
  JTextField jTextFieldroomnum = new JTextField();

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

  public static void main(String[] args) {
   inInfoUpdate returnInfoUpdate = new inInfoUpdate();
  }

  private void jbInit() throws Exception {
    jTextFieldusername.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldusername.setText("");
    jButtonClear.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonClear.setText("清空");
    jButtonClear.addMouseListener(new
                                 inInfoUpdate_jButtonClear_mouseAdapter(this));
    jButtondicision.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtondicision.setText("确定");
    jButtondicision.addMouseListener(new
       inInfoUpdate_jButtondicision_mouseAdapter(this));
    jTextcomment.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextcomment.setText("");
    jButtonexit.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonexit.setText("退出");
    jButtonexit.addMouseListener(new inInfoUpdate_jButtonexit_mouseAdapter(this));
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("书名");
    jButtonupdate.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonupdate.setText("更新");
    jButtonupdate.addMouseListener(new
                                   inInfoUpdate_jButtonupdate_mouseAdapter(this));
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setRequestFocusEnabled(true);
    jLabel1.setText("入库用户名");
    jTextFieldname.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldname.setText("");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("备注");
    jLabel8.setText("输入入库用户或书名点击确定，将调出此书相关信息");
    jLabel8.setFont(new java.awt.Font("Dialog", 0, 16));
    this.getContentPane().setLayout(xYLayout1);
    jTextFieldindate.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldindate.setText("");
    jLabel5.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel5.setText("入库日期");
    xYLayout1.setWidth(478);
    xYLayout1.setHeight(446);
    this.setTitle("书籍入库信息管理");
    jLabel6.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel6.setText("入库数量");
    jTextFieldinnum.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldinnum.setText("");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("仓库号");
    jTextFieldroomnum.setFont(new java.awt.Font("Dialog", 0, 16));
    this.getContentPane().add(jLabel1, new XYConstraints(74, 60, 88, 33));
    this.getContentPane().add(jTextFieldusername,
                              new XYConstraints(202, 64, 150, 26));
    this.getContentPane().add(jLabel8, new XYConstraints(15, 13, 435, 25));
    this.getContentPane().add(jTextFieldname,
                               new XYConstraints(201, 112, 154, 26));
    this.getContentPane().add(jLabel2, new XYConstraints(73, 106, 89, 35));
    this.getContentPane().add(jLabel5, new XYConstraints(68, 161, 87, 29));
    this.getContentPane().add(jTextFieldindate,  new XYConstraints(199, 157, 153, -1));
    this.getContentPane().add(jLabel6, new XYConstraints(62, 211, 81, 29));
    this.getContentPane().add(jTextFieldinnum,  new XYConstraints(199, 205, 155, 29));
    this.getContentPane().add(jLabel3, new XYConstraints(61, 261, 76, 27));
    this.getContentPane().add(jTextFieldroomnum,  new XYConstraints(200, 255, 154, 27));
    this.getContentPane().add(jTextcomment, new XYConstraints(200, 306, 154, -1));
    this.getContentPane().add(jLabel4, new XYConstraints(66, 313, 63, 29));
    this.getContentPane().add(jButtonClear, new XYConstraints(79, 380, 66, 28));
    this.getContentPane().add(jButtondicision, new XYConstraints(145, 381, -1, 28));
    this.getContentPane().add(jButtonupdate, new XYConstraints(212, 381, 74, 27));
    this.getContentPane().add(jButtonexit, new XYConstraints(286, 380, 75, 28));
  }

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

  void jButtonupdate_mouseClicked(MouseEvent e) {
    String strSQL;
    strSQL = "update Bookout set  ";

    strSQL = strSQL + " indate='" + jTextFieldindate.getText().trim() + "',";
     strSQL = strSQL + " innum='" + jTextFieldinnum.getText().trim() + "',";
      strSQL = strSQL + " roomnum='" + jTextFieldroomnum.getText().trim() + "',";
    strSQL = strSQL + " Comment='" + jTextcomment.getText().trim() + "'";
    strSQL = strSQL + " where username='" + jTextFieldusername.getText().trim() + "'";
    strSQL = strSQL + " and Bookname='" + jTextFieldname.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！");
    }

  }

  void jButtondicision_mouseClicked(MouseEvent e) {
    String sql;
    if (jTextFieldusername.getText().trim().length() == 0 &&
       jTextFieldname.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 Bookin ";
    //如果用户的查询条件不为空
    if (jTextFieldusername.getText().trim().length() == 0) {}
    else {
      sql = sql + "  where  username='" + jTextFieldusername.getText().trim() +
          "'";
      isfirst = false;
    }
    //如果书名的查询条件不为空
    if (jTextFieldname.getText().trim().length() == 0) {}
    else { //如果是第一个查询条件
      if (isfirst)
        sql = sql + " where Bookname='" + jTextFieldname.getText().trim() + "'";
        //如果是第二个查询条件
      else
        sql = sql + " and Bookname='" + jTextFieldname.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();
        jTextFieldusername.setText(rs.getString("username"));
        jTextFieldname.setText(rs.getString("Bookname"));
        jTextFieldindate.setText(rs.getString("indate"));
        jTextFieldindate.setText(rs.getString("innum"));
        jTextFieldindate.setText(rs.getString("roomnum"));
        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!");
    }

  }

  void jButtonClear_mouseClicked(MouseEvent e) {
    jTextFieldusername.setText("");
    jTextFieldname.setText("");
      jTextFieldindate.setText("");
       jTextFieldinnum.setText("");
        jTextFieldroomnum.setText("");
       jTextcomment.setText("");

  }

}

class inInfoUpdate_jButtonexit_mouseAdapter
    extends java.awt.event.MouseAdapter {
  inInfoUpdate adaptee;

  inInfoUpdate_jButtonexit_mouseAdapter(inInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

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

class inInfoUpdate_jButtonupdate_mouseAdapter
    extends java.awt.event.MouseAdapter {
 inInfoUpdate adaptee;

inInfoUpdate_jButtonupdate_mouseAdapter(inInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

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

class inInfoUpdate_jButtondicision_mouseAdapter
    extends java.awt.event.MouseAdapter {
  inInfoUpdate adaptee;

  inInfoUpdate_jButtondicision_mouseAdapter(inInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

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

class inInfoUpdate_jButtonClear_mouseAdapter
    extends java.awt.event.MouseAdapter {
 inInfoUpdate adaptee;

 inInfoUpdate_jButtonClear_mouseAdapter(inInfoUpdate adaptee) {
    this.adaptee = adaptee;
  }

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