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public class MainFrame extends JFrame {
private JButton button;
private JLabel title;
private JTable table;
public MainFrame (){
super("账号密码管理系统");
init();
setSize(370,370);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setResizable(false);
setVisible(true);
}
public void init(){
Object rowData[][] = new Object[5][5];
String columnName[] = {"账号密码归属","账号","密码","预留验证信息","生成密码"};
button = new JButton("添加");
button.setBounds(150,300,60,25);
add(button);
title = new JLabel("账号密码管理系统",JLabel.CENTER);
title.setFont(new Font("宋体",Font.BOLD,25));
setLayout(new BorderLayout());
add(title,BorderLayout.NORTH);
table = new JTable(rowData,columnName);
JScrollPane scrollpane = new JScrollPane(table);
scrollpane.setBorder(new EmptyBorder(50,0,0,0));
add(scrollpane,BorderLayout.CENTER);
};
public static void main(String arg[]){
MainFrame frame = new MainFrame();
}
}
我用鼠标改变窗口大小时，为什么button的位置不跟着改变？
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u012562203 2013-11-30
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用setBounds添加组件怎么确定位置的，可以举个例说明下吗？
我想做成这样子，窗口初始大小是370,370，用setBounds怎么实现呀
terry21 2013-11-30
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button.setBounds(150,300,60,25);
因为你使用了固定位置的方式。
一般使用setBounds添加组件，父组件的layout都是null的，这样方便自由定制界面。
u012562203 2013-11-30
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可以了，谢谢，为什么加个JPanel就可以了？
terry21 2013-11-30
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public void init() {
Object rowData[][] = new Object[5][5];
String columnName[] = { "账号密码归属", "账号", "密码", "预留验证信息", "生成密码" };
button = new JButton("添加");
button.setBounds(150, 300, 60, 25);
add(button);
title = new JLabel("账号密码管理系统", JLabel.CENTER);
title.setFont(new Font("宋体", Font.BOLD, 25));
setLayout(new BorderLayout());
add(title, BorderLayout.NORTH);
table = new JTable(rowData, columnName);
JScrollPane scrollpane = new JScrollPane(table);
scrollpane.setBorder(new EmptyBorder(50, 0, 0, 0));
add(scrollpane, BorderLayout.CENTER);
JPanel panelSouth = new JPanel();
panelSouth.setLayout(new FlowLayout());
add(panelSouth, BorderLayout.SOUTH);
panelSouth.add(button);
};
u012562203 2013-11-30
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public class MainFrame extends JFrame {
private JButton button;
private JLabel title;
private JTable table;
public MainFrame() {
super("账号密码管理系统");
init();
setSize(370, 370);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setResizable(false);
setVisible(true);
}
public void init() {
Object rowData[][] = new Object[5][5];
String columnName[] = { "账号密码归属", "账号", "密码", "预留验证信息", "生成密码" };
button = new JButton("添加");
button.setBounds(150, 300, 60, 25);
add(button);
title = new JLabel("账号密码管理系统", JLabel.CENTER);
title.setFont(new Font("宋体", Font.BOLD, 25));
title.setBounds(50, 5, 250, 25);
setLayout(null);
add(title);
table = new JTable(rowData, columnName);
JScrollPane scrollpane = new JScrollPane(table);
scrollpane.setBorder(new EmptyBorder(50, 0, 0, 0));
add(scrollpane);
scrollpane.setBounds(0, 30, 370, 250);
};
public static void main(String arg[]) {
MainFrame frame = new MainFrame();
}
}
terry21 2013-11-30
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public class MainFrame extends JFrame {
private JButton button;
private JLabel title;
private JTable table;
public MainFrame() {
super("账号密码管理系统");
init();
setSize(370, 370);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// setResizable(false);
setVisible(true);
}
public void init() {
Object rowData[][] = new Object[5][5];
String columnName[] = { "账号密码归属", "账号", "密码", "预留验证信息", "生成密码" };
button = new JButton("添加");
button.setBounds(150, 300, 60, 25);
add(button);
title = new JLabel("账号密码管理系统", JLabel.CENTER);
title.setFont(new Font("宋体", Font.BOLD, 25));
title.setBounds(50, 5, 250, 25);
setLayout(null);
add(title);
table = new JTable(rowData, columnName);
JScrollPane scrollpane = new JScrollPane(table);
scrollpane.setBorder(new EmptyBorder(50, 0, 0, 0));
add(scrollpane);
scrollpane.setBounds(0, 30, 370, 250);
};
public static void main(String arg[]) {
MainFrame frame = new MainFrame();
}
}
