费用计算及确认系统上线

main.py

@@ -3,10 +3,11 @@ import os
 import cv2
 import numpy as np
 import time
+import json
 from datetime import datetime
 from collections import defaultdict, deque
 from PyQt5.QtWidgets import QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QLabel, QPushButton, \
-    QFileDialog, QFrame, QScrollArea, QComboBox, QLineEdit, QListWidget, QListWidgetItem
+    QFileDialog, QFrame, QScrollArea, QComboBox, QLineEdit, QListWidget, QListWidgetItem, QDialog, QMessageBox
 from PyQt5.QtCore import QTimer, Qt, pyqtSignal, QThread
 from PyQt5.QtGui import QImage, QPixmap, QFont, QPainter, QPen, QColor
 from yolopart.detector import LicensePlateYOLO
@@ -345,6 +346,79 @@ class VideoThread(QThread):
                     break
             self.msleep(30)  # 约30fps
 
+class ParkingFeeDialog(QDialog):
+    """停车费用确认对话框"""
+    
+    def __init__(self, plate_number, parking_duration, fee_amount, parent=None):
+        super().__init__(parent)
+        self.plate_number = plate_number
+        self.parking_duration = parking_duration
+        self.fee_amount = fee_amount
+        self.payment_confirmed = False
+        self.init_ui()
+    
+    def init_ui(self):
+        self.setWindowTitle("停车费用确认")
+        self.setModal(True)
+        self.resize(400, 300)
+        
+        layout = QVBoxLayout()
+        
+        # 车牌号信息
+        plate_label = QLabel(f"车牌号: {self.plate_number}")
+        plate_label.setFont(QFont("Arial", 14, QFont.Bold))
+        layout.addWidget(plate_label)
+        
+        # 停车时长信息
+        hours = self.parking_duration // 3600
+        minutes = (self.parking_duration % 3600) // 60
+        seconds = self.parking_duration % 60
+        duration_text = f"停车时长: {hours}小时{minutes}分钟{seconds}秒"
+        duration_label = QLabel(duration_text)
+        duration_label.setFont(QFont("Arial", 12))
+        layout.addWidget(duration_label)
+        
+        # 费用信息
+        fee_label = QLabel(f"应缴费用: ¥{self.fee_amount:.2f}")
+        fee_label.setFont(QFont("Arial", 14, QFont.Bold))
+        fee_label.setStyleSheet("color: red;")
+        layout.addWidget(fee_label)
+        
+        # 提示信息
+        tip_label = QLabel("请确认该车辆是否已经缴费:")
+        tip_label.setFont(QFont("Arial", 12))
+        layout.addWidget(tip_label)
+        
+        # 按钮布局
+        button_layout = QHBoxLayout()
+        
+        # 已缴费按钮
+        paid_button = QPushButton("已缴费 - 开闸放行")
+        paid_button.setFont(QFont("Arial", 12))
+        paid_button.setStyleSheet("QPushButton { background-color: #4CAF50; color: white; padding: 10px; }")
+        paid_button.clicked.connect(self.confirm_payment)
+        button_layout.addWidget(paid_button)
+        
+        # 未缴费按钮
+        unpaid_button = QPushButton("未缴费 - 拒绝放行")
+        unpaid_button.setFont(QFont("Arial", 12))
+        unpaid_button.setStyleSheet("QPushButton { background-color: #f44336; color: white; padding: 10px; }")
+        unpaid_button.clicked.connect(self.reject_payment)
+        button_layout.addWidget(unpaid_button)
+        
+        layout.addLayout(button_layout)
+        self.setLayout(layout)
+    
+    def confirm_payment(self):
+        """确认已缴费"""
+        self.payment_confirmed = True
+        self.accept()
+    
+    def reject_payment(self):
+        """拒绝放行"""
+        self.payment_confirmed = False
+        self.reject()
+
 class LicensePlateWidget(QWidget):
     """单个车牌结果显示组件"""
     
@@ -505,6 +579,9 @@ class MainWindow(QMainWindow):
         # 车牌记录存储 - 用于道闸控制
         self.plate_records = {}  # 格式: {plate_number: {'first_time': datetime, 'sent': bool}}
         
+        # 加载停车费用配置
+        self.parking_config = self.load_parking_config()
+        
         # 识别框命令发送记录 - 防止同一识别框重复发送命令
         self.frame_command_sent = {}  # 格式: {plate_id: {'plate_number': str, 'command_sent': bool}}
         
@@ -1448,7 +1525,9 @@ class MainWindow(QMainWindow):
                 # 计算时间间隔
                 time_diff = (current_time - record['first_time']).total_seconds()
                 
-                # 发送时间间隔命令
+                # 显示费用确认对话框
+                if self.show_parking_fee_dialog(plate_number, time_diff):
+                    # 用户确认缴费，发送时间间隔命令
                     message = f"{plate_number} {int(time_diff)}sec"
                     try:
                         send_command(1, message)
@@ -1465,8 +1544,17 @@ class MainWindow(QMainWindow):
                         
                     except Exception as e:
                         print(f"发送道闸命令失败: {e}")
+                else:
+                    # 用户拒绝缴费或未缴费，不发送开闸命令
+                    print(f"车牌 {plate_number} 未缴费，拒绝放行")
+                    # 标记该识别框ID已处理，避免重复弹窗
+                    self.frame_command_sent[plate_id] = {
+                        'plate_number': plate_number,
+                        'command_sent': False
+                    }
             else: 
                 # 首次识别到车牌号（入库）
+                # 入库时不收费，直接放行
                 try:
                     message = f"{plate_number} 通行"
                     send_command(1, message)
@@ -1527,6 +1615,56 @@ class MainWindow(QMainWindow):
         except Exception as e:
             print(f"发送关闸命令失败: {e}")
     
+    def load_parking_config(self):
+        """加载停车费用配置"""
+        try:
+            config_path = os.path.join(os.path.dirname(__file__), 'parking_config.json')
+            with open(config_path, 'r', encoding='utf-8') as f:
+                config = json.load(f)
+            print(f"停车费用配置加载成功: {config}")
+            return config
+        except Exception as e:
+            print(f"加载停车费用配置失败: {e}")
+            # 返回默认配置
+            return {
+                "free_parking_duration": 1800,  # 30分钟免费停车
+                "billing_cycle": 3600,  # 1小时计费周期
+                "price_per_cycle": 5.0  # 每小时5元
+            }
+    
+    def calculate_parking_fee(self, parking_duration):
+        """计算停车费用"""
+        free_duration = self.parking_config.get("free_parking_duration", 1800)
+        billing_cycle = self.parking_config.get("billing_cycle", 3600)
+        price_per_cycle = self.parking_config.get("price_per_cycle", 5.0)
+        
+        # 如果停车时长在免费时间内，费用为0
+        if parking_duration <= free_duration:
+            return 0.0
+        
+        # 计算超出免费时间的部分
+        chargeable_duration = parking_duration - free_duration
+        
+        # 计算需要收费的周期数（向上取整）
+        cycles = (chargeable_duration + billing_cycle - 1) // billing_cycle
+        
+        # 计算总费用
+        total_fee = cycles * price_per_cycle
+        
+        return total_fee
+    
+    def show_parking_fee_dialog(self, plate_number, parking_duration):
+        """显示停车费用确认对话框"""
+        fee_amount = self.calculate_parking_fee(parking_duration)
+        
+        dialog = ParkingFeeDialog(plate_number, parking_duration, fee_amount, self)
+        result = dialog.exec_()
+        
+        if result == QDialog.Accepted and dialog.payment_confirmed:
+            return True  # 确认已缴费，允许开闸
+        else:
+            return False  # 未缴费或取消，拒绝开闸
+    
     def closeEvent(self, event):
         """窗口关闭事件"""
         if self.camera_thread and self.camera_thread.running: