分类： Python/Ruby
2022-04-19 17:56:02
import tkinter as tk
from db import db
from tkinter import ttk
# 录入类
class InputFrame(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.root = master
self.name = tk.StringVar()
self.math = tk.StringVar()
self.chinese = tk.StringVar()
self.english = tk.StringVar()
self.status = tk.StringVar()
self.create_page()
def create_page(self):
tk.Label(self).grid(row=0, stick=tk.W, pady=10)
tk.Label(self, text="姓名:").grid(row=1, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self, textvariable=self.name).grid(row=1, column=1, stick=tk.E)
tk.Label(self, text="数学:").grid(row=2, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self, textvariable=self.math).grid(row=2, column=1, stick=tk.E)
tk.Label(self, text="语文:").grid(row=3, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self, textvariable=self.chinese).grid(row=3, column=1, stick=tk.E)
tk.Label(self, text="英语:").grid(row=4, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self, textvariable=self.english).grid(row=4, column=1, stick=tk.E)
tk.Button(self, text="录入", command=self.recode_student).grid(row=5, column=1, stick=tk.E, pady=10)
tk.Label(self, textvariable=self.status).grid(row=6, column=1, stick=tk.E, pady=10)
# 录入成绩
def recode_student(self):
student = {
"name": self.name.get(),
"math": self.math.get(),
"chinese": self.chinese.get(),
"english": self.english.get(),
} # 一个学生的成绩
db.insert(student)
# get()得到值
# set()设置值
self.status.set("插入数据成功！")
self._clear_data()
db.save_data()
# 清空文本数据
def _clear_data(self):
self.name.set("")
self.math.set("")
self.chinese.set("")
self.english.set("")
# 查询类
class QuerryFrame(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.root = master
self.create_page()
# 创建查询界面
def create_page(self):
self.create_tree_view()
self.show_data_frame()
# grid()
tk.Button(self, text="刷新数据", command=self.show_data_frame).pack(anchor=tk.E, pady=5)
# Treeview
def create_tree_view(self):
# 表头
columns = ("name", "chinese", "math", "english")
self.tree_view = ttk.Treeview(self, show='headings', columns=columns)
self.tree_view.column("name", width=80, anchor='center')
self.tree_view.column("chinese", width=80, anchor='center')
self.tree_view.column("math", width=80, anchor='center')
self.tree_view.column("english", width=80, anchor='center')
self.tree_view.heading("name", text='姓名')
self.tree_view.heading("chinese", text='语文')
self.tree_view.heading("math", text='数学')
self.tree_view.heading("english", text='英语')
self.tree_view.pack()
# 显示数据
def show_data_frame(self):
# 删除原节点 map(int,值）
for i in map(self.tree_view.delete, self.tree_view.get_children("")):
pass
# 拿到列表里面所有值、students[]
students = db.all()
# 同时拿到索引跟value值
for index, stu in enumerate(students):
self.tree_view.insert('', index, values=(stu["name"], stu["chinese"], stu
["math"], stu["english"]))
class DeleteFrame(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
tk.Label(self, text='删除数据').pack()
self.status = tk.StringVar()
self.de_name = tk.StringVar() # 获取删除学生的姓名
self.create_page()
# 创建界面
def create_page(self):
tk.Label(self, text="根据姓名删除信息").pack(anchor=tk.W, padx=20)
e1 = tk.Entry(self, textvariable=self.de_name)
e1.pack(side=tk.LEFT, padx=20, pady=5)
tk.Button(self, text='删除', command=self._delete).pack(side=tk.RIGHT)
tk.Label(self, textvariable=self.status).pack()
# 删除
def _delete(self):
name = self.de_name.get()
print(name)
result = db.delete_by_name(name)
if result:
self.status.set(f'{name}已经被删')
self.de_name.set("")
else:
self.status.set(f'{name}不存在')
class UpdateFrame(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.root = master
tk.Label(self, text='修改界面').pack()
self.change_frame = tk.Frame(self)
self.change_frame.pack()
self.name = tk.StringVar()
self.math = tk.StringVar()
self.chinese = tk.StringVar()
self.english = tk.StringVar()
self.status = tk.StringVar()
self.create_page()
def create_page(self):
tk.Label(self.change_frame).grid(row=0, stick=tk.W, pady=10)
tk.Label(self.change_frame, text="姓名:").grid(row=1, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self.change_frame, textvariable=self.name).grid(row=1, column=1, stick=tk.E)
tk.Label(self.change_frame, text="数学:").grid(row=2, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self.change_frame, textvariable=self.math).grid(row=2, column=1, stick=tk.E)
tk.Label(self.change_frame, text="语文:").grid(row=3, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self.change_frame, textvariable=self.chinese).grid(row=3, column=1, stick=tk.E)
tk.Label(self.change_frame, text=外汇跟单gendan5.com"英语:").grid(row=4, stick=tk.W, pady=10)
# 单行文本框 entry，textvariable绑定变量
tk.Entry(self.change_frame, textvariable=self.english).grid(row=4, column=1, stick=tk.E)
# 按钮
tk.Button(self.change_frame, text='查询', command=self._search).grid(row=6, column=0, stick=tk.W, pady=10)
tk.Button(self.change_frame, text='修改', command=self._change).grid(row=6, column=1, stick=tk.E, pady=10)
tk.Label(self.change_frame, textvariable=self.status).grid(row=7, column=1, stick=tk.E, pady=10)
# 查询
def _search(self):
name = self.name.get()
student = db.search_by_name(name)
if student:
self.math.set(student["math"])
self.chinese.set(student["chinese"])
self.english.set(student["english"])
self.status.set(f'查询到{name}同学的信息')
else:
self.status.set(f'没有查询到{name}同学的信息')
# 更改成绩
def _change(self):
name = self.name.get()
math = self.math.get()
chinese = self.chinese.get()
english = self.english.get()
stu = {
"name": name,
"math": math,
"chinese": chinese,
"english": english,
}
r = db.update(stu)
if r:
self.status.set(f"{name}同学的信息更新完毕")
else:
self.status.set(f"{name}同学的信息更新失败")
class AboutFrame(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.root = master
self.create_page()
def create_page(self):
tk.Label(self, text="关于本作品(人生苦短，我用python)").pack(anchor=tk.W)
