outqbyisbn.java

教材管理系统

//清空所有文本框
  void jButtonClear_mouseClicked(MouseEvent e) {
    jTextFieldname.setText("");
    jTextFieldprofessional.setText("");
    jTextFielddepartment.setText("");
    jTextFieldnum.setText("");
    jTextFieldsumpay.setText("");
    jTextFieldprice.setText("");
    jTextFieldaccptuser.setText("");
    jTextFieldtype.setText("");
    jTextFieldroomnum.setText("");
    jTextFieldISBN.setText("");
    jTextFieldusername.setText("");
    jTextFieldoutnum.setText("");
    jTextFieldoutdate.setText("");
    jTextFieldoutnewnum.setText("");


  }

//查询相关信息
  void jButtondicision_mouseClicked(MouseEvent e) {
    String strSQL;
    //校验书名是否为空
    if (jTextFieldISBN.getText().trim().equals("")) {
      JOptionPane.showMessageDialog(null, "ISBN号不许为空！");
      return;
    }
    //生成sql操作语句，查询要更新的书是否存在，若存在将此书相关信息绑顶到窗体上，若不存在提示并返回
    boolean isFirst = true;
    strSQL = "select books.name,price,roomnum,num,bookout.* from  books,bookout where books.ISBN=bookin.ISBN";
      if (!jTextFieldISBN.getText().trim().equals("")) {
        strSQL = strSQL + " and books.ISBN='" +
            jTextFieldISBN.getText().trim() +
            "'";
      isFirst = false;
      }

    rs = db.getResult(strSQL);
    boolean isexist = false;
    try {
      isexist = rs.first();
    }
    catch (SQLException ex1) {
    }
    //若此书不存在，提示警告信息
    if (!isexist) {
      JOptionPane.showMessageDialog(null, "此书不存在！");
    }
    else {
      try {
        //将游标移动到首位置
        rs.first();
        //在文本框中显示数据集中的数据
        jTextFieldprofessional.setText(rs.getString("name"));
        jTextFielddepartment.setText(rs.getString("Author"));
        jTextFielddepartment.setText(rs.getString("num"));
        jTextFieldsumpay.setText(rs.getString("ISBN"));
        jTextFieldprice.setText(rs.getString("Price"));
        jTextFieldprofessional.setText(rs.getString("accptuser"));
        jTextFielddepartment.setText(rs.getString("professional"));
        jTextFielddepartment.setText(rs.getString("roomnum"));
        jTextFieldsumpay.setText(rs.getString("department"));
        jTextFieldprice.setText(rs.getString("outnum"));
        jTextFieldusername.setText(rs.getString("username"));
        jTextFieldprofessional.setText(rs.getString("outdate"));
        jTextFieldprofessional.setText(rs.getString("outnewnum"));
        jTextFieldprofessional.setText(rs.getString("sumpay"));
}
      catch (SQLException ex) {
      }
    }
  }



class outqbyISBN_jButtonexit_mouseAdapter
    extends java.awt.event.MouseAdapter {
 outqbyISBN adaptee;

 outqbyISBN_jButtonexit_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }

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

class outqbyISBN_jButtonClear_mouseAdapter
    extends java.awt.event.MouseAdapter {
  outqbyISBN adaptee;

  outqbyISBN_jButtonClear_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonClear_mouseClicked(e);
  }
}
//游标移动到第一条，显示纪录
  void jButtonfirst_mouseClicked(MouseEvent e) {
    try {
            rs.first() ;
            showResult();
         }
         catch (SQLException ex) {
         }

  }
//游标移动到前一条，显示纪录
  void jButtonpre_mouseClicked(MouseEvent e) {
    try {
               if(! rs.isFirst() )
               {  rs.previous();
                  showResult();
               }
             }
             catch (SQLException ex) {
             }

  }
//游标移动到后一条，显示纪录
  void jButtonnext_mouseClicked(MouseEvent e) {
    try {
             if(! rs.isLast())
              {  rs.next();
                 showResult();
              }
            }
                catch (SQLException ex) {
                  }

  }
//游标移动到最后一条，显示纪录
  void jButtonlast_mouseClicked(MouseEvent e) {
    try {
                rs.last();
                 showResult();
              }
              catch (SQLException ex) {
              }

  }






class outqbyISBN_jButtondicision_mouseAdapter
    extends java.awt.event.MouseAdapter {
  outqbyISBN adaptee;

  outqbyISBN_jButtondicision_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }

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

  void jTextFieldaccptuser_actionPerformed(ActionEvent e) {

  }

  void jTextFieldoutdate_actionPerformed(ActionEvent e) {

  }
    }

class outqbyISBN_jTextFieldaccptuser_actionAdapter implements java.awt.event.ActionListener {
  outqbyISBN adaptee;

  outqbyISBN_jTextFieldaccptuser_actionAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jTextFieldaccptuser_actionPerformed(e);
  }
}

class outqbyISBN_jTextFieldoutdate_actionAdapter implements java.awt.event.ActionListener {
  outqbyISBN adaptee;

  outqbyISBN_jTextFieldoutdate_actionAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jTextFieldoutdate_actionPerformed(e);
  }
}

class outqbyISBN_jButtonfirst_mouseAdapter extends java.awt.event.MouseAdapter {
  outqbyISBN adaptee;

  outqbyISBN_jButtonfirst_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonfirst_mouseClicked(e);
  }
}

class outqbyISBN_jButtonpre_mouseAdapter extends java.awt.event.MouseAdapter {
  outqbyISBN adaptee;

  outqbyISBN_jButtonpre_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonpre_mouseClicked(e);
  }
}

class outqbyISBN_jButtonnext_mouseAdapter extends java.awt.event.MouseAdapter {
 outqbyISBN adaptee;

  outqbyISBN_jButtonnext_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonnext_mouseClicked(e);
  }
}

class outqbyISBN_jButtonlast_mouseAdapter extends java.awt.event.MouseAdapter {
  outqbyISBN  adaptee;

 outqbyISBN_jButtonlast_mouseAdapter(outqbyISBN adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonlast_mouseClicked(e);
  }
}