ADD file via upload

select_info.py

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+import sqlite3
+import tkinter as tk
+import tkinter.messagebox as msgbox
+import json
+import subprocess
+
+window = tk.Tk()
+window.resizable(0, 0)
+window.title("停车场信息管理系统")
+# 窗口居中
+ww, wh = 400, 200
+sw, sh = window.winfo_screenwidth(), window.winfo_screenheight()
+x, y = (sw - ww) / 2, (sh - wh) / 2
+window.geometry("%dx%d+%d+%d" % (ww, wh, x, y))
+
+# 标签提示
+l_info = tk.Label(window, text="请输入想要查询的内容：", font=("宋体", 16))
+l_info.pack(padx=20, pady=10, anchor="nw")
+
+# 单行文本框输入信息
+var = tk.StringVar()
+e_info = tk.Entry(window, width=40, textvariable=var)
+e_info.place(x=50, y=60)
+
+# 单选框让用户自己选择查找的数据类型
+v = tk.IntVar()
+v.set(1)
+rb1 = tk.Radiobutton(window, text="ID", variable=v, value=1, takefocus=True)
+rb2 = tk.Radiobutton(window, text="NAME", variable=v, value=2, takefocus=True)
+rb3 = tk.Radiobutton(window, text="PHONE", variable=v, value=3, takefocus=True)
+
+rb1.place(x=20, y=100)
+rb2.place(x=60, y=100)
+rb3.place(x=130, y=100)
+
+
+# 检查和覆写临时存档文件（保存查找到的信息的id）
+def check_or_save(satisfied_id):
+    if len(satisfied_id) == 0:
+        msgbox.showinfo(message="查询失败，请检查输入信息")
+    else:
+        # 将数据写入临时存档文件sq_record中
+        with open("sq_record.json", "w+") as fileId:
+            temp_list = list(satisfied_id)
+            json.dump(temp_list, fileId)
+
+        # 连接新窗口
+        subprocess.run(["python", "results_found.py"], check=True)
+
+
+def collect_ids(info, column_name, satisfied_id, cur):
+    """搜集符合条件的id"""
+    cur.execute(f"select id from car where {column_name} like ?", ('%' + info + '%',))
+    try:
+        while True:
+            satisfied_id.add(cur.fetchone()[0])
+    except TypeError:
+        msgbox.showinfo(message="搜索完毕")
+
+
+# 查找
+def select_info():
+    # 获得输入框信息
+    info = var.get()
+    # 创建一个集合记录符合条件的id
+    satisfied_id = set()
+
+    # 检查输入框是否为空
+    if info == "":
+        msgbox.showerror(message="输入框为空")
+    else:
+        # 连接数据库
+        con = sqlite3.connect("./car_info.db")
+        cur = con.cursor()
+        # 获得单选框的值，选择匹配类目,并匹配要查询的内容
+        if v.get() == 1:
+            collect_ids(info, "id", satisfied_id, cur)
+            check_or_save(satisfied_id)
+        elif v.get() == 2:
+            collect_ids(info, "name", satisfied_id, cur)
+            check_or_save(satisfied_id)
+        elif v.get() == 3:
+            collect_ids(info, "phone", satisfied_id, cur)
+            check_or_save(satisfied_id)
+
+        cur.close()
+        con.close()
+
+
+btn_select = tk.Button(window, text="查询", width=10, command=select_info)
+btn_exit = tk.Button(window, text="退出", width=10, command=window.quit)
+btn_select.place(x=100, y=150)
+btn_exit.place(x=200, y=150)
+window.mainloop()