//培訓查詢類package classsource;import java.awt.*;import javax.swing.*;import javax.swing.table.*;import java.util.*;import java.awt.event.*;import java.sql.*;public class TIQ extends JInternalFrame{	JLabel lb1=new JLabel("培 訓 信 息 查 詢");   	JLabel lb2=new JLabel("培訓編號:");   	JLabel lb3=new JLabel("員工姓名:");   	JTextField ttxtid=new JTextField(10);   	JTextField ttxtname=new JTextField(10);   	JButton btn1=new JButton("查詢");   	JTable table;	DefaultTableModel dtm;	String columns[] = {"培訓編號","培訓內容","員工姓名","培訓天數","培訓費用"};	public TIQ(){		setTitle("培 訓 信 息 查 詢");		dtm=new DefaultTableModel();		table = new JTable(dtm);		JScrollPane s1=new JScrollPane(table);		//sl.HORIZONTAL_SCROLLBAR_ALWAYS;		//sl.VERTICAL_SCROLLBAR_ALWAYS;		dtm.setColumnCount(5);		dtm.setColumnIdentifiers(columns);		getContentPane().setLayout(null);		lb1.setBounds(200,10,300,30);		lb1.setFont(new Font("宋體",Font.BOLD,24));		getContentPane().add(lb1);		Font f=new Font("宋體",Font.PLAIN,12);		lb2.setBounds(10,60,80,25);		lb2.setFont(f);		getContentPane().add(lb2);		ttxtid.setBounds(80,60,80,23);		ttxtid.setFont(f);		getContentPane().add(ttxtid);		lb3.setBounds(10,90,80,25);		lb3.setFont(f);   	    getContentPane().add(lb3);   	    ttxtname.setBounds(80,90,80,23);   	    ttxtname.setFont(f);   	    getContentPane().add(ttxtname);   	    btn1.setBounds(90,130,60,25);   	    btn1.setFont(f);   	    getContentPane().add(btn1);		s1.setBounds(180,60,425,290);		getContentPane().add(s1);//設置邊框---------------------------------------------------------------------------		ttxtid.setBorder(BorderFactory.createLineBorder(Color.black));   	    ttxtname.setBorder(BorderFactory.createLineBorder(Color.black));   	    btn1.setBorder(BorderFactory.createRaisedBevelBorder());		s1.setBorder(BorderFactory.createLineBorder(Color.black)); //___________連接數據庫_______________________________________________________________		Database.joinDB();		String Tim="select * from TrainInformation";		if(Database.query(Tim)){			System.out.println(Tim);			try{				while(Database.rs.next()){					String number=(""+Database.rs.getString("T_Number"));					System.out.println(number);					String Content=Database.rs.getString("T_Content");					System.out.println(Content);					String name=Database.rs.getString("T_Name");					System.out.println(name);					String date=Database.rs.getString("T_Date");					System.out.println(date);					String Money=Database.rs.getString("T_Money");					System.out.println(Money);					Vector v=new Vector();					v.add(number);					v.add(Content);					v.add(name);					v.add(date);					v.add(Money);					dtm.addRow(v);				}			}			catch(Exception eTIQ){			  System.out.println("初始化表格失敗！");			}		}//為查詢按鈕加事件--------------------------------------------------------        btn1.addActionListener(new ActionListener(){        	public void actionPerformed(ActionEvent e){        		System.out.println("查詢按鈕加事件");        		String STIQ;        		int rc=dtm.getRowCount();        		for(int i=0;i<rc;i++){        			dtm.removeRow(0);        		}      //------------------------        		if(ttxtid.getText().equals("")&&ttxtname.getText().equals("")){        		   STIQ="select * from TrainInformation";        		}        		else if(ttxtname.getText().equals("")){        			STIQ="select * from TrainInformation where T_Number = '" + ttxtid.getText() +"'";        			}        		else{        		   STIQ="select * from TrainInformation where T_Number = '" + ttxtid.getText() +"' or T_Name like '%"+ ttxtname.getText() +"%'";          		}        		System.out.println(STIQ);        		if(Database.query(STIQ)){        			try{						while(Database.rs.next()){							String number=(""+Database.rs.getString("T_Number"));							System.out.println(number);							String Content=Database.rs.getString("T_Content");							System.out.println(Content);							String name=Database.rs.getString("T_Name");							System.out.println(name);							String date=Database.rs.getString("T_Date");							System.out.println(date);							String Money=Database.rs.getString("T_Money");							System.out.println(Money);							Vector v=new Vector();							v.add(number);							v.add(Content);							v.add(name);							v.add(date);							v.add(Money);							dtm.addRow(v);						}        			}        			catch(Exception eT){}        		}        	}        });		setSize(630,400);		this.setClosable(true);		setVisible(true);		}	}