Java实现的密码生成器,-优快云博客

本文链接：https://blog.youkuaiyun.com/Aelsabier/article/details/129895979
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.util.Random;
import java.io.FileWriter;
import java.io.IOException;

class main1 {
   public static void clipboard(String text) {
      Clipboard clipboard1 = Toolkit.getDefaultToolkit().getSystemClipboard();
      Transferable txt = new StringSelection(text);
      clipboard1.setContents(txt, null);
   }
}

public class Main {
   public static void main(String[] args) {
      Random random = new Random();//生成随机数
      JOptionPane.showMessageDialog(null, new JLabel("<html><h2><font color='blue',size=10>你好," + "欢迎来到密码生成器" + "<br>" + "</font><font " + "color='pink',size=3> " + "我是充满抛瓦制作的哦~</font></h2></html>"));
      String st0 = JOptionPane.showInputDialog(null, "输入密码名称");
      String[] options = {"生成低强度密码", "生成中等强度密码", "生成高强度密码", "生成超高强度密码", "生成密码提示"};
      Object ob1 = JOptionPane.showInputDialog(null, "请选择你下面需要的步骤：", "欢迎来到充满抛瓦的密码生成器", JOptionPane.QUESTION_MESSAGE, null, options, options[0]);
      if (ob1 != "生成密码提示") {
         String num = JOptionPane.showInputDialog(null, "请输入你需要几位数的密码：");
         int num1 = Integer.parseInt(num);
         char[] chars = new char[num1];
         String[] option2 = {"小写字母+大写字母", "小写字母+数字", "大写字母+数字"};
         String[] option5 = {"纯数字", "纯小写字母", "纯大写字母"};
         if (ob1 == "生成高强度密码") {
            for (int i = 0; i < num1; i++) {
               int i1 = random.nextInt(48, 122);
               if (i1 >= 48 && i1 <= 57 || i1 >= 65 && i1 <= 90 || i1 >= 97 && i1 <= 122)
                  chars[i] = (char) i1;
            }
         } else if (ob1 == "生成超高强度密码") {
            for (int i = 0; i < num1; i++) {
               int i1 = random.nextInt(33, 126);
               chars[i] = (char) i1;
            }
         } else if (ob1 == "生成低强度密码") {
            int ob3 = JOptionPane.showOptionDialog(null, "请选择你的选项：", "提示", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, option5, option5[0]);
            if (ob3 == 0) {
               for (int i = 0; i < num1; i++) {
                  int i1 = random.nextInt(48, 57);
                  chars[i] = (char) i1;
               }
            } else if (ob3 == 1) {
               for (int i = 0; i < num1; i++) {
                  int i1 = random.nextInt(97, 122);
                  chars[i] = (char) i1;
               }
            } else if (ob3 == 2) {
               for (int i = 0; i < num1; i++) {
                  int i1 = random.nextInt(65, 90);
                  chars[i] = (char) i1;
               }
            }
         } else if (ob1 == "生成中等强度密码") {
            int ob6 = JOptionPane.showOptionDialog(null, "请选择你的选项：", "提示", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, option2, option2[0]);
            for (int i = 0; i < num1; i++) {
               int i1 = random.nextInt(48, 122);
               if (ob6 == 0) {
                  if (i1 >= 65 && i1 <= 90 || i1 >= 97 && i1 <= 122)
                     chars[i] = (char) i1;
               } else if (ob6 == 1) {
                  if (i1 >= 48 && i1 <= 57 || i1 >= 97 && i1 <= 122)
                     chars[i] = (char) i1;
               } else if (ob6 == 2) {
                  if (i1 >= 65 && i1 <= 90 || i1 >= 97 && i1 <= 122)
                     chars[i] = (char) i1;
               }
            }
         }
         String st2 = String.valueOf(chars);
         JOptionPane.showMessageDialog(null, st0 + "的密码是：" + st2);
 按钮选项加入数组
         String[] option3 = {"复制到剪贴板", "保存为"+st0+".txt"};
         int ob2 = JOptionPane.showOptionDialog(null, new JLabel("<html><h2" +
               "><font " +
               "color='blue'," +
               "size=5" +
               ">请选择你的下个步骤</font" +
               "></h2></html>"), "询问", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, option3, option3[0]);
         if (ob2 == 0) {
            main1.clipboard(st0 + "的密码是：" + st2);
            //生成剪贴板输入流
            JOptionPane.showMessageDialog(null, "已保存到剪贴板");
         }
         if (ob2 == 1) {
            fileWriterMethod("C:\\Users" + "\\林钦声\\Desktop" + "\\弹出窗口\\" + st0 + ".txt", st0 + "的密码是：" + st2);
            JOptionPane.showMessageDialog(null, "已保存到" + st0 + ".txt文件中");
         }
      } else if (ob1 == "生成密码提示") {
         JOptionPane.showMessageDialog(null, """
                              低强度密码：由纯数字或纯小写字母或纯大写字母组成；
                              中等强度密码：由数字、小写字母、大写字母中的其中两种组成；
                              高强度密码：由数字、小写字母、大写字母共同组成；
                              超高强度密码：由数字、小写字母、大写字母、符号共同组成
               """);
         
      }
   }
   
   public static void fileWriterMethod(String filepath, String content) {
      try (FileWriter fileWriter = new FileWriter(filepath)) {
         fileWriter.append(content);
      } catch (IOException e) {
         throw new RuntimeException(e);
      }
   }
}
Java生成密码
