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87 lines
2.7 KiB
87 lines
2.7 KiB
import tkinter
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import student
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import teacher
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import manager
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from utils import *
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TEACHER = 0
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STUDENT = 1
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MANAGER = 2
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class login:
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def __init__(self):
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self.root = tkinter.Tk()
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self.root.title("用户登录界面")
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self.root.geometry("300x200")
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self.root.resizable(False, False)
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self.user_label = tkinter.Label(self.root, text="用户ID")
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self.user_entry = tkinter.Entry(self.root, width=15)
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self.pswd_label = tkinter.Label(self.root, text="密码")
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self.password_entry = tkinter.Entry(self.root, width=15, show='*')
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self.star_button = tkinter.Button(self.root, text="登陆", command=self.login)
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self.initialize()
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def initialize(self):
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self.user_label.grid(row=0, column=0)
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self.user_entry.grid(row=0, column=1)
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self.pswd_label.grid(row=1, column=0)
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self.password_entry.grid(row=1, column=1)
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self.star_button.grid(row=2, column=1)
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self.user_entry.focus()
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def judge(self):
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login=self.user_entry.get()
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password=self.password_entry.get()
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if login.strip() == '' or password.strip() == '':
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return 3, ()
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db = connect()
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cursor = db.cursor()
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sql = "SELECT studentID FROM tb_student where studentID='%s' and studentPswd='%s'" % (login,password)
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cursor.execute(sql)
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result = cursor.fetchall()
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if len(result)!=0:
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return STUDENT, result[0][0]
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else:
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sql = "SELECT * FROM tb_teacher where teacherID='%s' and teacherPswd='%s'" % (login, password)
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cursor.execute(sql)
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result = cursor.fetchall()
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print(type(result), result)
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if len(result)!=0:
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return TEACHER, result[0][0]
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else:
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sql = "SELECT managerID FROM tb_manager where managerID='%s' and managerPswd='%s'" % (login, password)
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cursor.execute(sql)
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result = cursor.fetchall()
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if len(result)!=0:
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return MANAGER, result[0][0]
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else:
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return MANAGER, result
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def login(self):
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type, result =self.judge()
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if len(result)!=0:
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self.root.destroy()
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if type == STUDENT:
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c=student.menu(result)
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c.start()
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elif type == TEACHER:
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t=teacher.menu(result)
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t.start()
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else:
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m=manager.menu(result)
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m.start()
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else:
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tkinter.Label(self.root, text="用户名或密码错误，请重新输入").grid(row=3, column=1)
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def start(self):
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self.root.mainloop()
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if __name__ == '__main__':
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start = login()
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start.start()
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