first commit

db.py

@@ -0,0 +1,53 @@
+import json
+class MysqlDatabase:
+    def __init__(self):
+        self.users = json.loads(open('users.json', mode='r',encoding='utf-8').read())
+        self.students = json.loads(open('students.json', mode='r', encoding='utf-8').read())
+
+
+    def check_login(self,username,password):
+        for user in self.users:
+            if username == user['username']:
+                if password == user['password']:
+                    return True,'登陆成功'
+                else:
+                    return False,'登录失败，密码错误'
+        return False,'登录失败，用户不存在'
+
+    def all(self):
+        return self.students
+
+    def insert(self,student):
+        self.students.append(student)
+
+    def delete_by_username(self,name):
+        for student in self.students:
+            print(student)
+            if student['name'] == name:
+                self.students.remove(student)
+                return True,f'{name}删除学生成功'
+        return False,f'{name}学生不存在'
+
+    def search_by_username(self,name):
+        for student in self.students:
+            if student['name'] == name:
+                return True, student
+        return False,f'{name}学生不存在'
+
+    def update(self,stu):
+        for student in self.students:
+            if student['name'] == stu['name']:
+                student.update(stu)
+                return True,f'{stu["name"]} 学生数据修改成功'
+        return False,f'{stu["name"]} 学生不存在'
+
+
+
+
+db = MysqlDatabase()
+
+
+
+if __name__ == '__main__':
+    db.check_login('admin','password')
+    print(db.all())

views.py

@@ -0,0 +1,164 @@
+import tkinter as tk
+from tkinter import ttk
+from db import db
+
+class AboutFrame(tk.Frame):
+    def __init__(self,root):
+        super().__init__(root)
+        tk.Label(self, text='关于作品：本作品由tkinter制作').pack()
+        tk.Label(self, text='关于作者：黄晨轲').pack()
+        tk.Label(self, text='版权所有：天地银行').pack()
+
+
+class ChangeFrame(tk.Frame):
+    def __init__(self,root):
+        super().__init__(root)
+        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,pady=10)
+
+        tk.Label(self,text='姓 名:').grid(row=1, column=1, pady=10)
+        tk.Entry(self, textvariable=self.name).grid(row=1, column=2, pady=10)
+
+        tk.Label(self, text='数 学:').grid(row=2, column=1, pady=10)
+        tk.Entry(self, textvariable=self.math).grid(row=2, column=2, pady=10)
+
+        tk.Label(self, text='语 文:').grid(row=3, column=1, pady=10)
+        tk.Entry(self, textvariable=self.chinese).grid(row=3, column=2, pady=10)
+
+        tk.Label(self, text='英 语:').grid(row=4, column=1, pady=10)
+        tk.Entry(self, textvariable=self.english).grid(row=4, column=2, pady=10)
+
+        tk.Button(self, text='查询', command=self.search_user).grid(row=5, column=1, pady=10, stick=tk.E)
+        tk.Button(self, text='修改',command=self.change_user).grid(row=5, column=2, pady=10,stick=tk.E)
+
+        tk.Label(self, textvariable=self.status).grid(row=6, column=2, pady=10)
+
+    def search_user(self):
+
+        flag, info = db.search_by_username(self.name.get())
+        if flag:
+            self.name.set(info['name'])
+            self.math.set(info['math'])
+            self.chinese.set(info['chinese'])
+            self.english.set(info['english'])
+            self.status.set('数据查询成功')
+        else:
+            self.status.set(info)
+
+    def change_user(self):
+        stu = {"name": self.name.get(),"math": self.math.get(), "chinese": self.chinese.get(), "english": self.english.get()}
+        self.name.set('')
+        self.math.set('')
+        self.chinese.set('')
+        self.english.set('')
+        db.update(stu)
+        self.status.set('修改数据成功')
+
+
+
+class InsertFrame(tk.Frame):
+    def __init__(self,root):
+        super().__init__(root)
+        #tk.Label(self, text='录入页面').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).grid(row=0,pady=10)
+
+        tk.Label(self,text='姓 名:').grid(row=1, column=1, pady=10)
+        tk.Entry(self, textvariable=self.name).grid(row=1, column=2, pady=10)
+
+        tk.Label(self, text='数 学:').grid(row=2, column=1, pady=10)
+        tk.Entry(self, textvariable=self.math).grid(row=2, column=2, pady=10)
+
+        tk.Label(self, text='语 文:').grid(row=3, column=1, pady=10)
+        tk.Entry(self, textvariable=self.chinese).grid(row=3, column=2, pady=10)
+
+        tk.Label(self, text='英 语:').grid(row=4, column=1, pady=10)
+        tk.Entry(self, textvariable=self.english).grid(row=4, column=2, pady=10)
+
+        tk.Button(self, text='录入',command=self.recode_info).grid(row=5, column=2, pady=10,stick=tk.E)
+        tk.Label(self, textvariable=self.status).grid(row=6, column=2, pady=10)
+
+
+
+
+
+    def recode_info(self):
+        stu = {"name": self.name.get(),"math": self.math.get(), "chinese": self.chinese.get(), "english": self.english.get()}
+        self.name.set('')
+        self.math.set('')
+        self.chinese.set('')
+        self.english.set('')
+        db.insert(stu)
+        self.status.set('插入数据成功')
+
+
+class SearchFrame(tk.Frame):
+    def __init__(self,root):
+        super().__init__(root)
+        self.table_view = tk.Frame()
+        self.table_view.pack()
+
+        self.create_page()
+
+    def create_page(self):
+        coulumns = ("name","chinese","math","english")
+        coulumns_values = ("姓名","语文","数学","英语")
+        self.tree_view = ttk.Treeview(self, show='headings', columns=coulumns)
+        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(fill=tk.BOTH, expand=True)
+        self.show_data_frame()
+
+
+        tk.Button(self,text='刷新数据',command=self.show_data_frame).pack(anchor=tk.E,pady=5)
+
+
+    def show_data_frame(self):
+        #删除旧的阶段
+        for _ in map(self.tree_view.delete,self.tree_view.get_children('')):
+            pass
+
+        student = db.all()
+        index = 0
+        for stu in student:
+            print(stu)
+            self.tree_view.insert('',index + 1,values=(
+                stu['name'],stu['math'],stu['chinese'],stu['english'],
+            ))
+
+
+class DeleteFrame(tk.Frame):
+    def __init__(self,root):
+        super().__init__(root)
+        self.username = tk.StringVar()
+        self.status = tk.StringVar()
+        tk.Label(self, text='根据名字删除数据').pack()
+        tk.Entry(self, textvariable=self.username).pack()
+        tk.Button(self, text='删除',command=self.delete).pack()
+        tk.Label(self, textvariable=self.status).pack()
+
+
+    def delete(self):
+        username = self.username.get()
+        flag,message = db.delete_by_username(username)
+        self.status.set(message)