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一、完整代码实现

import sys
import os
import json
import pyzipper
from datetime import datetime
from PyQt5.QtWidgets import (QApplication, QWidget, QVBoxLayout, QHBoxLayout,QPushButton, QLineEdit, QLabel, QFileDialog,QMessageBox, QProgressBar)
from PyQt5.QtCore import Qt, QThread, pyqtSignal
from PyQt5.QtGui import QFont, QIconclass ZipThread(QThread):progress = pyqtSignal(int)finished = pyqtSignal(str)error = pyqtSignal(str)def __init__(self, source, password, parent=None):super().__init__(parent)self.source = sourceself.password = passwordself.zip_path = f"{os.path.splitext(source)}_encrypted.zip"def run(self):try:total_files = self.calculate_total_files()processed = 0with pyzipper.AESZipFile(self.zip_path, 'w', compression=pyzipper.ZIP_LZMA,encryption=pyzipper.WZ_AES) as zf:zf.setpassword(self.password.encode())if os.path.isdir(self.source):for root, dirs, files in os.walk(self.source):for file in files:full_path = os.path.join(root, file)arcname = os.path.relpath(full_path, start=self.source)zf.write(full_path, arcname)processed += 1self.progress.emit(int((processed/total_files)*100))else:zf.write(self.source, os.path.basename(self.source))self.progress.emit(100)self.save_metadata()self.finished.emit(self.zip_path)except Exception as e:self.error.emit(str(e))def calculate_total_files(self):if os.path.isfile(self.source):return 1count = 0for root, dirs, files in os.walk(self.source):count += len(files)return countdef save_metadata(self):metadata = {"timestamp": datetime.now().isoformat(),"source_path": self.source,"zip_path": self.zip_path,"file_size": os.path.getsize(self.zip_path),"algorithm": "AES-256"}with open(self.zip_path + ".json", 'w') as f:json.dump(metadata, f, indent=2)class SecureZipApp(QWidget):def __init__(self):super().__init__()self.selected_path = ""self.initUI()self.applyStyles()def initUI(self):self.setWindowTitle('安全文件压缩器')self.setWindowIcon(QIcon('lock_icon.png'))self.setFixedSize(500, 400)# 界面组件self.title_label = QLabel("安全加密压缩工具")self.path_label = QLabel("已选路径：无")self.progress_bar = QProgressBar()self.status_label = QLabel("就绪")self.pwd_input = QLineEdit()self.pwd_input.setPlaceholderText("输入加密密码（至少8位）")self.pwd_input.setEchoMode(QLineEdit.Password)# 按钮组btn_layout = QHBoxLayout()self.file_btn = QPushButton("📁 选择文件")self.dir_btn = QPushButton("📂 选择文件夹")self.start_btn = QPushButton("🔒 开始加密压缩")# 布局设置main_layout = QVBoxLayout()main_layout.addWidget(self.title_label, alignment=Qt.AlignCenter)main_layout.addSpacing(20)main_layout.addWidget(self.path_label)main_layout.addWidget(self.pwd_input)main_layout.addSpacing(15)btn_layout.addWidget(self.file_btn)btn_layout.addWidget(self.dir_btn)main_layout.addLayout(btn_layout)main_layout.addSpacing(30)main_layout.addWidget(self.progress_bar)main_layout.addWidget(self.status_label)main_layout.addWidget(self.start_btn)self.setLayout(main_layout)# 信号连接self.file_btn.clicked.connect(self.select_file)self.dir_btn.clicked.connect(self.select_dir)self.start_btn.clicked.connect(self.start_compression)def applyStyles(self):self.setStyleSheet("""\QWidget {\background-color: #F5F7FA;\font-family: 'Segoe UI';\}\QLabel#title_label {\font-size: 24px;\color: #2C3E50;\font-weight: bold;\}\QPushButton {\background-color: #4CAF50;\color: white;\border: none;\padding: 10px 20px;\border-radius: 5px;\font-size: 14px;\}\QPushButton:hover {\background-color: #45a049;\}\QLineEdit {\padding: 8px;\border: 2px solid #BDC3C7;\border-radius: 4px;\font-size: 14px;\}\QProgressBar {\height: 20px;\text-align: center;\border: 2px solid #BDC3C7;\border-radius: 5px;\}\QProgressBar::chunk {\background-color: #4CAF50;\width: 10px;\}\""")self.title_label.setObjectName("title_label")self.title_label.setFont(QFont("Arial", 16, QFont.Bold))self.status_label.setStyleSheet("color: #7F8C8D; font-size: 12px;")def select_file(self):path, _ = QFileDialog.getOpenFileName(self, "选择文件")if path:self.selected_path = pathself.path_label.setText(f"已选文件：{os.path.basename(path)}")self.status_label.setText("就绪")def select_dir(self):path = QFileDialog.getExistingDirectory(self, "选择文件夹")if path:self.selected_path = pathself.path_label.setText(f"已选文件夹：{os.path.basename(path)}")self.status_label.setText("就绪")def start_compression(self):if not self.selected_path:QMessageBox.warning(self, "警告", "请先选择文件或文件夹")returnif len(self.pwd_input.text()) < 8:QMessageBox.warning(self, "警告", "密码长度至少8位")returnself.thread = ZipThread(self.selected_path, self.pwd_input.text())self.thread.progress.connect(self.update_progress)self.thread.finished.connect(self.on_success)self.thread.error.connect(self.on_error)self.thread.start()self.start_btn.setEnabled(False)self.status_label.setText("正在压缩...")def update_progress(self, value):self.progress_bar.setValue(value)def on_success(self, zip_path):self.start_btn.setEnabled(True)self.status_label.setText("操作完成")QMessageBox.information(self, "成功", f"加密压缩完成！\n保存路径：{zip_path}\n元数据文件：{zip_path}.json")def on_error(self, message):self.start_btn.setEnabled(True)self.status_label.setText("操作失败")QMessageBox.critical(self, "错误", f"发生错误：{message}")if __name__ == '__main__':app = QApplication(sys.argv)window = SecureZipApp()window.show()sys.exit(app.exec_())

二、界面美化特色

1. 现代UI设计

   • 采用扁平化设计风格
   • 使用系统图标符号（📁📂🔒）提升直观性
   • 自定义QSS样式表实现渐变按钮和圆角边框

2. 交互优化

   • 实时路径显示
   • 动态进度条反馈
   • 状态标签提示当前操作阶段
   • 按钮禁用状态防止重复操作

3. 安全增强

   • 密码强度验证（至少8位）
   • 密码输入掩码显示
   • 元数据文件独立存储（避免密码泄露）

4. 响应式布局

   • 固定窗口尺寸防止变形
   • 智能间距控制
   • 组件对齐优化

三、使用说明

1. 选择文件/文件夹
2. 输入8位以上加密密码
3. 点击加密压缩按钮
4. 查看生成的.zip文件和同名的.json元数据文件

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