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import sqlite3
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import json
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import tkinter as tk
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import tkinter.messagebox as msgbox
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import datetime
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# 获得sq_record中的序号sq，根据序号数量确定页码
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with open("sq_record.json", "r") as file:
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sequence = json.load(file)
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window = tk.Tk()
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window.resizable(1, 0)
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window.title("查询结果")
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# 窗口居中偏右
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ww, wh = 800, 400
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sw, sh = window.winfo_screenwidth(), window.winfo_screenheight()
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x, y = (sw - ww) / 2, (sh - wh) / 2
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window.geometry("%dx%d+%d+%d" % (ww, wh, x, y))
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# 搭建存储文本框的frame
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f1 = tk.Frame(window, width=ww - 20, height=wh - 70, bg="lightpink")
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f1.pack(padx=10, pady=10)
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# 创建多行文本框
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t1 = tk.Text(f1, width=ww - 40, height=21)
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t1.pack(side="top", padx=10, pady=10)
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lb = tk.Label(window, text="请输入想要出场的车牌号:")
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lb.pack(side="left", padx=10, pady=10, anchor="sw")
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var_num = tk.StringVar()
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e1 = tk.Entry(window, textvariable=var_num)
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e1.pack(side="left", padx=10, pady=10, anchor="sw")
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def showing():
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"""显示所有indexs中的成员信息"""
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t1.delete(1.0, tk.END)
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t1.insert(1.0, "车牌号\t\t姓名\t\t颜色\t\t住址\t\t电话\t\t停车时长\n")
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con = sqlite3.connect("car_info.db")
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cur = con.cursor()
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for i in sequence:
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cur.execute("select * from car where id=?", (i,))
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res = cur.fetchone()
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try:
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# 显示停车时长
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stay_hours_str = res[5] # 获取 stay_hours 作为字符串
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if stay_hours_str == 0:
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stay_hours = "未停车"
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else:
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# 将 stay_hours 字符串解析为 datetime 对象
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entry_time = datetime.datetime.strptime(stay_hours_str, "%Y-%m-%d %H:%M:%S")
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# 计算入场时间和当前时间的时间差
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current_time = datetime.datetime.now()
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stay_hours = (current_time - entry_time).total_seconds() / 3600
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# 格式化 stay_hours 以便显示
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stay_hours = f"{stay_hours:.2f} 小时"
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t1.insert("end", "{}\t\t{}\t\t{}\t\t{}\t\t{}\t\t{}\n"
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.format(res[0], res[1], res[2], res[3], res[4], stay_hours))
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except TypeError:
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pass
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# 关闭数据库
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cur.close()
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con.close()
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#计算停车时长
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def delete(temp):
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con = sqlite3.connect("car_info.db")
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cur = con.cursor()
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# 获取当前时间
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current_time = datetime.datetime.now()
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# 获取数据库中的入场时间
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cur.execute("SELECT stay_hours FROM car WHERE id = ?", (temp,))
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entry_time_str = cur.fetchone()[0]
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# 如果 stay_hours 字段为空，则使用当前时间作为入场时间
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if entry_time_str == 0:
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entry_time_str = current_time.strftime("%Y-%m-%d %H:%M:%S")
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# 解析时间字符串
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entry_time = datetime.datetime.strptime(entry_time_str, "%Y-%m-%d %H:%M:%S")
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# 计算停车时长
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stay_hours = (current_time - entry_time).total_seconds() / 3600
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# 更新 stay_hours 字段
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cur.execute("UPDATE car SET stay_hours = ? WHERE id = ?", (stay_hours, temp))
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con.commit()
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# 删除车辆信息
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cur.execute("delete from car where id=?", (str(temp),))
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cur.execute("select id from car")
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with open("sq_record.json", "w+") as fp:
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indexList = cur.fetchall()
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dumpList = [i[0] for i in indexList]
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json.dump(dumpList, fp)
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con.commit()
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cur.close()
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con.close()
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# 返回 stay_hours
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return stay_hours
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#车辆出场，计算停车费
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def del_member():
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temp = var_num.get()
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# 检测输入框
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if temp == "":
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msgbox.showerror(message="输入框为空")
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elif temp in sequence:
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stay_hours = delete(temp) # 获取 stay_hours
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# 计算停车费
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parking_fee = stay_hours * 5 # 假设每小时收费 5 元
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# 输出停车费
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msgbox.showinfo("停车费", f"停车时长: {stay_hours:.2f} 小时\n停车费: {parking_fee:.1f} 元")
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msgbox.showinfo(message="车辆出场成功!")
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showing()
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else:
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msgbox.showerror(title="error", message="删除失败，请检查输入的Id")
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btn_exit = tk.Button(window, text="退出", command=window.destroy)
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btn_del = tk.Button(window, text="车辆出场", command=del_member)
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# 放置
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btn_exit.pack(side="right", padx=10, pady=10, anchor="se")
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btn_del.pack(side="right", pady=10, anchor="se")
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showing()
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window.mainloop() |
