https://www.myziyuan.com/
- lyrhc
- 什么都不说了 直接给你代码吧package com.moliying.ui;import java.awt.BorderLayout;import java.awt.Container;import java.awt.FlowLayout;import java.awt.List;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.BufferedWriter;import java.io.FileOutputStream;import java.io.OutputStreamWriter;import java.util.ArrayList;import java.util.Arrays;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 Login {private JFrame frame = new JFrame("登录");private Container c = frame.getContentPane();private JTextField username = new JTextField();private JPasswordField password = new JPasswordField();private JButton ok = new JButton("确定");private JButton cancel = new JButton("取消");public Login() {frame.setSize(300, 200);frame.setBounds(450, 300, 300, 200);c.setLayout(new BorderLayout());initFrame();frame.setVisible(true);}private void initFrame() {// 顶部JPanel titlePanel = new JPanel();titlePanel.setLayout(new FlowLayout());titlePanel.add(new JLabel("系统管理员登录"));c.add(titlePanel, "North");// 中部表单JPanel fieldPanel = new JPanel();fieldPanel.setLayout(null);JLabel a1 = new JLabel("用户名:");a1.setBounds(50, 20, 50, 20);JLabel a2 = new JLabel("密 码:");a2.setBounds(50, 60, 50, 20);fieldPanel.add(a1);fieldPanel.add(a2);username.setBounds(110, 20, 120, 20);password.setBounds(110, 60, 120, 20);fieldPanel.add(username);fieldPanel.add(password);c.add(fieldPanel, "Center");// 底部按钮JPanel buttonPanel = new JPanel();buttonPanel.setLayout(new FlowLayout());buttonPanel.add(ok);buttonPanel.add(cancel);c.add(buttonPanel, "South");ok.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {System.out.println(username.getText().toString());}});cancel.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {frame.setVisible(false);}});}public static void main(String[] args) {//new Login();String ss = "abbabbbaabbbccba";System.out.println(ss.split("b").length);}}
- 2022-01-12 08:12:54
- dafvzzz9
- 2022-01-12 08:11:45
- 礼品代发源码
- ,
- 2022-01-12 08:11:45
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