问题遇到的现象和发生背景
运行完Tkinter部分代码后，如何让Tkinter窗口自动关闭？
问题相关代码，请勿粘贴截图
import tkinter
import os.path
filename='student.txt'
def main():
while True:
muna()
choice=eval(input('请选择:'))
if choice in [0,1,2,3,4,5,6,7]:
if choice==0:
choices=input('您确定要退出系统吗？y/n')
if choices=='y':
print('感谢你的使用!')
break
else:
continue
elif choice==1:
insert()
elif choice==2:
search()
elif choice==3:
delete()
elif choice==4:
change()
elif choice==5:
sort()
elif choice==6:
total()
elif choice==7:
show()
def muna():
print('=================学生信息管理系统====================')
print('=================功能菜单================================')
print('\t\t\t\t\t\t1.录入学生信息')
print('\t\t\t\t\t\t2.查找学生信息')
print('\t\t\t\t\t\t3.删除学生信息')
print('\t\t\t\t\t\t4.修改学生信息')
print('\t\t\t\t\t\t5.排序')
print('\t\t\t\t\t\t6.统计学生总人数')
print('\t\t\t\t\t\t7.显示所有学生人数')
print('\t\t\t\t\t\t0.退出系统')
def insert():
student_list=[]
while True:
try:
id=int(input('请输入id:'))
namelist=input('请输入学生姓名')
englist=int(input('请输入英语成绩:'))
pythonlist=int(input('请输入python成绩:'))
javalist=int(input('请输入java成绩'))
except:
print('输入数据无效!')
continue
student={'id':id,'英语':englist,'姓名':namelist,'python':pythonlist,'java':javalist}
student_list.append(student)
answer=input('是否继续添加？y/n')
if answer=='y':
continue
else:
break
save(student_list)
print('信息录入完毕!!!')
def save(lst):
try:
stu_txt=open(filename,'a',encoding='utf-8')
except:
stu_txt=open(filename,'w',encoding='utf-8')
for item in lst:
stu_txt.write(str(item)+'\n')
stu_txt.close()
def search():
student_lst=[]
while True:
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rflie:
student_old=rflie.readlines()
id=''
name=''
mode=input('请选择查找的方式1.按id查询，2.按姓名查询')
if mode=='1':
id=int(input('请输入学生id:'))
elif mode=='2':
name=input('请输入学生姓名:')
else:
print('输入数据无效。')
search()
for item in student_old:
d=dict(eval(item))
if id!='':
if d['id']==id:
student_lst.append(d)
elif name!='':
if d['name']==name:
student_lst.append(d)
else:
print('没有找到学生信息')
show_student(student_lst)
student_lst.clear()
answer=input('是否继续查询?y/n')
if answer=='y':
continue
else:
break
else:
print('无学生数据!')
return
def show_student(lst):
if len(lst)==0:
print('没有查询到学生信息，无数据显示。')
return
format_title='{:^6}\t{:^12}\t{:^8}\t{:^10}\t{:^10}\t{:^8}'
print(format_title.format('id','姓名','英语成绩','python成绩','java成绩','总成绩'))
format_data='{:^6}\t{:^12}\t{:^8}\t{:^10}\t{:^10}\t{:^8}'
for item in lst:
print(format_data.format(item.get('id'),
item.get('姓名'),
item.get('英语'),
item.get('python'),
item.get('java'),
int(item.get('英语'))+int(item.get('python'))+int(item.get('java'))
))
def delete():
while True:
student_id=int(input('请输入你要删除的学生id:'))
if student_id!='':
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8')as rfile:
student_old=rfile.readlines()
else:
student_old=[]
flag=False
if student_old:
with open(filename,'w',encoding='utf-8') as wfile:
d={}
for item in student_old:
d=eval(item)
if d['id'] != student_id:
wfile.write(str(d)+'\n')
else:
flag=True
if flag:
print(f'id为{student_id}的学生已被删除!')
else:
print(f'没有找到id为{student_id}的学生!')
else:
print('无学生信息。')
break
show()
answer=input('是否继续删除?y/n')
if answer=='y':
continue
else:
break
def change():
show()
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
studeny_old=rfile.readlines()
else:
return
student_id=int(input('请输入要修改的学生id:'))
with open(filename,'w',encoding='utf-8') as wfile:
for item in studeny_old:
d=dict(eval(item))
if student_id==d['id']:
print('找到该学生信息，可以进行修改！！！')
while True:
try:
d['姓名']=input('请输入名字:')
d['英语']=input('请输入英语成绩:')
d['python']=input('请输入python成绩:')
d['java']=input('请输入java成绩:')
except:
print('输入数据无效!!')
else:
break
wfile.write(str(d)+'\n')
print('修改成功!')
else:
wfile.write(str(d)+'\n')
break
answer=input('是否继续修改其他学生信息？y/n')
if answer=='y':
change()
def sort():
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
student_data=rfile.readlines()
stuent_new=[]
for item in student_data:
d=dict(eval(item))
stuent_new.append(d)
else:
return
mode_1=int(input('请选择排序方式0.升序1.降序'))
if mode_1==0:
m_bool=False
elif mode_1==1:
m_bool=True
else:
print('您的输入有误!!')
sort()
mode_2=int(input('请输入排序方式:1.按英语成绩排序，2.按python成绩排序，3.按Java成绩排序，4.按总成绩排序'))
if mode_2==1:
stuent_new.sort(key=lambda x:int(x['英语']),reverse=m_bool)
elif mode_2==2:
stuent_new.sort(key=lambda x: int(x['python']), reverse=m_bool)
elif mode_2==3:
stuent_new.sort(key=lambda x: int(x['java']), reverse=m_bool)
elif mode_2==4:
stuent_new.sort(key=lambda x: int(x['英语'])+int(x['python'])+int(x['java']), reverse=m_bool)
else:
print('输入有误!')
sort()
show_student(stuent_new)
def total():
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
student_list=rfile.readlines()
if student_list:
print(f'一共有{len(student_list)}名学生.')
else:
print('还未录入学生信息！！')
else:
print('暂未保存学生信息!')
def show():
studentdata=[]
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
student_data=rfile.readlines()
for item in student_data:
studentdata.append(eval(item))
if studentdata:
show_student(studentdata)
else:
print('无学生信息!')
else:
print('暂未保存数据信息!')
root=tkinter.Tk()
buttonImport=tkinter.Button(root,text='进入学生管理系统',command=main)
buttonImport.place(x=20,y=20,height=30,width=100)
root.mainloop()
运行结果及报错内容
我的解答思路和尝试过的方法
点击按钮后，Tkinter窗口仍未关闭
我想要达到的结果
如何在点击按钮后自动关闭Tkinter窗口？
