tjtable.java

java课程的资料以及实验的代码

/*
 *TJtable.java主要功能是建立右侧界面中的表格界面。
 *该界面只显示信息。
 */
 
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.*;
import javax.swing.*;
import javax.swing.BorderFactory; 
import javax.swing.border.Border;
import javax.swing.border.TitledBorder;
import javax.swing.border.EtchedBorder;
import java.awt.event.*;
import javax.swing.event.*;

public class TJtable extends JPanel implements ActionListener {
    JTable table;
    Border b = BorderFactory.createEtchedBorder(EtchedBorder.LOWERED);
    String[][] data = new String[25][7];
    TCardModel tcmTemp;
   
    public TJtable(TCardModel tcm) {
    	tcmTemp=tcm;
    	
        String[] columnNames = {"资产名称",
                                "样式",
                                "价格",
                                "购入日期",
                                "状态",
                                "借用人",
                                "是否归还"};
	setLayout(new BorderLayout());
        table = new JTable(data, columnNames);
        JScrollPane sp = new JScrollPane(table);
        add(sp,BorderLayout.CENTER);
        
        JButton fetch=new JButton("查询资产");
        fetch.setActionCommand("fetch");
	fetch.addActionListener(this);
	JButton prev=new JButton("上一页");
        prev.setActionCommand("prev");
        prev.setEnabled(false);
	prev.addActionListener(this);
	JButton next=new JButton("下一页");
        next.setActionCommand("next");
        next.setEnabled(false);
	next.addActionListener(this);
	JPanel p=new JPanel();
	p.add(prev);
	p.add(fetch);
	p.add(next);
	add(p,BorderLayout.SOUTH);
	
        setBorder(b);
        setVisible(true);
    }
    public void actionPerformed(ActionEvent e) {
    	for (int i=0;i<25;i++)
    	 for (int j=0;j<7;j++)
    	  table.setValueAt("",i,j);
    	  /*注意：此处逻辑较为复杂，顺序为TCardModel-->TJtable-->TJtableModel
    	   *		通过在构造器的三次传递，完成不同面板间组件的数值传递。
    	   */
    	int k = (new TJtableModel(tcmTemp)).selAssets(data);
    	for (int i=0;i<k;i++)
    	 for (int j=0;j<7;j++)
    	  table.setValueAt(data[i][j],i,j);
    }
}