jtable 的那些事

love_java_love 2009-08-27 09:56:37

如题.jscrollPane中加了一个有值的jtable,默认情况.jtable 只"贴"在jscrollPane顶部.
要想jtable 只"贴"满jscrollPane.怎么做?
其实以前做过.具体只是忘了.
搞编程真辛苦.什么都要记.什么都不想记.但是又不得不记那么一点.

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love_java_love 2009-08-27

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请#5大佬看请题OK?不要回答些无关痛痒的OK?
jtable "贴"满jscrollPane.背景颜色都为白色.

hxbot 2009-08-27

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import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.util.*;



public class JTableVector extends JFrame{

	JPanel pane =null;

	JTable table =null;

	JButton but =null;

	public JTableVector(){

		this.setSize(400,400);

		pane =(JPanel)this.getContentPane();

		pane.setLayout(null);

		Vector columnname =new Vector();

		columnname.add("学员学号");

		columnname.add("学员姓名");		

		columnname.add("学员年龄");			

		columnname.add("学员成绩");	

		Vector data =new Vector();

		data.add("1");

		data.add("zhaoxin");

		data.add("27");

		data.add("90");

		Vector data1 =new Vector();

		data1.add("2");

		data1.add("tangxian");

		data1.add("27");

		data1.add("99");

		Vector data2 =new Vector();

		data2.add("3");

		data2.add("shangguan");

		data2.add("27");

		data2.add("98");

		Vector mydata =new Vector();

		mydata.add(data);

		mydata.add(data1);

		mydata.add(data2);

		

		table =new JTable(mydata,columnname);

		JScrollPane spane =new JScrollPane(table);

		spane.setBounds(20,20,360,200);

		but =new JButton("删除");

		but.setBounds(170,300,80,40);

		but.addActionListener(new Action_Listener(this));

		pane.add(spane);

		pane.add(but);

		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		this.setLocationRelativeTo(null);

		this.setVisible(true);

	}

	public static void main (String[] args) {

    	JTableVector frame =new JTableVector();

    }

    public void fun(ActionEvent e){

    	System.out.println (this.table.getSelectedRow());

    	System.out.println (this.table.getSelectedColumn());

    	System.out.println (this.table.getValueAt(this.table.getSelectedRow(),this.table.getSelectedColumn()));

    	

    }

}



class Action_Listener implements ActionListener{

	JTableVector frame =null;

	public Action_Listener(JTableVector frame){

		this.frame =frame;

	}

	public void actionPerformed(ActionEvent e){

		frame.fun(e);

	}

}

//获得X、Y坐标，CMD窗口输出

hxbot 2009-08-27

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import java.awt.*;

import java.awt.event.*;

import javax.swing.*;



public class JTableDemo extends JFrame{

	JPanel pane =null;

	JTable table =null;

	public JTableDemo(){

		String [] columnnames =new String[]{

		"学员编号","学员姓名","学员年龄","学员性别"};

		String [][] rowDate =new String[][]{

		{"1","zhaoxin","27","男"},

		{"2","shanguan","27","男"},

		{"3","chenglin","22","男"}	

		};

		this.setSize(400,400);

		pane =(JPanel)this.getContentPane();

		pane.setLayout(null);

		table =new JTable(rowDate,columnnames);

		

		JScrollPane spane =new JScrollPane(table);

		spane.setBounds(20,20,360,200);

		pane.add(spane);

		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		this.setLocationRelativeTo(null);

		this.setVisible(true);

	}

	public static void main (String[] args) {

    	JTableDemo frame =new JTableDemo();

    }

}



//保存为JTableDemo.java javac java 自己运行慢慢体会吧！