由于项目需要,主管让我用swing做个运营管理平台.这个平台有个管理员登陆的首页,包括让管理员输入用户名和密码的文本框(JTextField),但是我做出来的两个文本框占了整个屏幕,不知道怎么才能设置文本框的大小,让整个页面看起来美观.知道的告诉一下,因为刚开始接触swing,所以很多东西都不知道.谢谢
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public class MyFrame extends JFrame implements ActionListener {
private JTextField jtfName;
private JPasswordField jpfPwd;
private JButton jbtFind;
public MyFrame() {
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(2, 1));
jpLables.add(new JLabel("Enter name"));
jpLables.add(new JLabel("Enter password"));
jtfName = new JTextField(20);
jtfName.setSize(50,20);
jpfPwd = new JPasswordField(20);
jpfPwd.setSize(20, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(2, 1));
jpTextFields.add(jtfName);
jpTextFields.add(jpfPwd) JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER); JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtFind = new JButton("Find score")); getContentPane().setLayout(new BorderLayout());
getContentPane().add(p1, BorderLayout.CENTER);
getContentPane().add(p2, BorderLayout.SOUTH); jbtFind.addActionListener(this);
} public static void main(String[] args) {
// 得到屏幕长和宽
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth = screenSize.width;
int screenHeight = screenSize.height; // 创建框架
MyFrame frame = new MyFrame();
frame.setTitle("运营管理平台");
frame.setSize(1000, 800); // 取到中间位置
int x = (screenWidth - frame.getSize().width) / 2;
int y = (screenHeight - frame.getSize().height) / 2; // 设置frame属性
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocation(x, y); }
}
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;public class MyFrame extends JFrame implements ActionListener {
private JTextField jtfName;
private JPasswordField jpfPwd;
private JButton jbtFind; public MyFrame() {
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(2, 1));
jpLables.add(new JLabel("Enter name"));
jpLables.add(new JLabel("Enter password"));
jtfName = new JTextField(20);
jtfName.setSize(50, 20);
jpfPwd = new JPasswordField(20);
jpfPwd.setSize(20, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(2, 1));
jpTextFields.add(jtfName);
jpTextFields.add(jpfPwd); JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER); JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtFind = new JButton("Find score")); /*getContentPane().setLayout(new BorderLayout());
getContentPane().add(p1, BorderLayout.CENTER);
getContentPane().add(p2, BorderLayout.SOUTH);*/
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(300,250,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(300,350,300,80));
getContentPane().add(p2,null); jbtFind.addActionListener(this);
} public static void main(String[] args) {
// 取得屏幕長和寬
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int screenWidth = screenSize.width;
int screenHeight = screenSize.height; // 創建框架
MyFrame frame = new MyFrame();
frame.setTitle("運營管理平臺");
frame.setSize(1000, 800); // 取到中間位置
int x = (screenWidth - frame.getSize().width) / 2;
int y = (screenHeight - frame.getSize().height) / 2; // 設置frame屬性
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocation(x, y); } public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub }
}
這個ok? 你把中文改成簡體~
import java.awt.event.ActionListener;import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;public class T extends JFrame implements ActionListener {
private JTextField jtfName;
private JPasswordField jpfPwd;
private JLabel nameLabel;
private JLabel pwdLabel; public T() {
JPanel panel = new JPanel();
panel.setLayout(null);
nameLabel = new JLabel("Enter name");
pwdLabel = new JLabel("Enter password");
jtfName = new JTextField(20);
jpfPwd = new JPasswordField(20);
panel.setLayout(null);
panel.add(nameLabel);
panel.add(pwdLabel);
panel.add(jtfName);
panel.add(jpfPwd);
nameLabel.setBounds(20, 20, 100, 25);
pwdLabel.setBounds(20, 50, 100, 25);
jtfName.setBounds(150, 20, 100, 25);
jpfPwd.setBounds(150, 50, 100, 25);
add(panel);
setTitle("運營管理平臺");
setSize(400, 400);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
} public static void main(String[] args) {
T frame = new T();
frame.setVisible(true);
} public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub }
}
该包有一个XYConstraints(int, int, int, int)想放哪都行,想多宽也行