2021寒假python自学体系整理(Day13)
（2.2）总结学生信息管理系统
- 总结
- 代码
- 打包
总结
感觉十几天过得很快，当初的C和C++都是以学生信息管理系统为结尾，没想到python也是。感觉脑阔还是涨涨的，以后还是要多动手做项目呀，(⊙_⊙)，冲冲冲。
代码
# @file :学生信息管理系统.py
# @Time :2021/2/2 13:47
# @Author:蝉鸣遗夏
# @fun :PyCharm
import os
filename = 'stu.txt'
def main():
while True:
menu()
choice = int(input('please choose your function:'))
if choice in [1,2,3,4,5,6,7,8]:
if choice == 1:
insert()
elif choice == 2:
search()
elif choice == 3:
delete()
elif choice == 4:
modify()
elif choice == 5:
sort()
elif choice == 6:
totalsum()
elif choice == 7:
show()
elif choice == 8:
answer = input('exit?y/n')
if answer == 'y' or answer == 'Y':
print('Thanks for using!!!')
break
else:
continue
def menu():
print('*************************************************')
print('\t\t\t\tStudent Manage System')
print('\t\t\t\tFunction Menu')
print('\t\t\t\t1.insert')
print('\t\t\t\t2.search')
print('\t\t\t\t3.delete')
print('\t\t\t\t4.modify')
print('\t\t\t\t5.sort')
print('\t\t\t\t6.totalsum')
print('\t\t\t\t7.show')
print('\t\t\t\t8.exit')
print('***************************************************')
def insert():
stu_list = []
while True:
id = input('please input ID:')
if not id:
break
name = input('please input name:')
if not name:
break
try:
Eng = int(input('English score:'))
Py = int(input('Python score:'))
Ja = int(input('Jave score:'))
except:
print('invalued,please input again')
continue
student = {'id':id,'name':name,'English':Eng,'Python':Py,'Java':Ja}
stu_list.append(student)
answer = input('continue insert?y/n\n')
if answer == 'y' or answer == 'Y':
continue
else:
break
save(stu_list)
print('insert successful')
def save(lst):
try:
stu_txt = open(filename,'a',encoding='utf-8')
except:
stu_txt = open(filename,'w',encoding='utf-8')
for i in lst:
stu_txt.write(str(i)+'\n')
stu_txt.close()
def search():
stu_id = []
while True:
id = ''
name = ''
if os.path.exists(filename):
mode = input('search by ID input 1,search by name input 2:')
if mode == '1':
id = input('ID:')
elif mode == '2':
name = input('Name:')
else:
print('ERROR,please input again!!!')
search()
with open(filename,'r',encoding='utf-8') as rfile:
stu = rfile.readlines()
for item in stu:
d = dict(eval(item))
if id != '':
if d['id'] == id:
stu_id.append(d)
elif name != '':
if d['name'] == name:
stu_id.append(d)
show_student(stu_id)
stu_id.clear()
answer = input('continue search?y/n\n')
if answer == 'y' or answer == 'Y':
continue
else:
break
else:
print('have not saved')
return
def show_student(lst):
if len(lst) == 0:
print('no information!!!')
return
format_title = '{:^6}\t{:^12}\t{:^8}\t{:^10}\t{:^10}\t{:^8}'
print(format_title.format('id','name','English','Python','Java','Sum'))
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('name'),
item.get('English'),
item.get('Python'),
item.get('Java'),
int(item.get('English'))+
int(item.get('Python'))+
int(item.get('Java'))
))
def delete():
while True:
stu_id = input('please input the id what you wanna delete:')
if stu_id != '':
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as file:
stu_old = file.readlines()
else:
stu_old = []
flag = False
if stu_old:
with open(filename,'w',encoding='utf-8') as wfile:
d = {}
for item in stu_old:
d = dict(eval(item))
if d['id'] != stu_id:
wfile.write(str(d)+'\n')
else:
flag = True
if flag:
print('deleting %s successful'%stu_id)
else:
print('no found %s'%stu_id)
else:
print('no student information')
break
show()
answer = input('continue delete?y/n\n')
if answer == 'y' or answer == 'Y':
continue
else:
break
def modify():
show()
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
stu_old = rfile.readlines()
else:
return
stu_id = input('please input the ID what you wanna modify:')
with open(filename,'w',encoding='utf-8') as wfile:
for item in stu_old:
d = dict(eval(item))
if d['id'] == stu_id:
print('Found successful,you can modify!')
while True:
try:
d['name'] = input('Name:')
d['English'] = input('English:')
d['Python'] = input('Python:')
d['Java'] = input('Java:')
except:
print('ERROR,please input again!')
else:
break
wfile.write(str(d)+'\n')
print('modify successful!!!')
else:
wfile.write(str(d)+'\n')
answer = input('continue modify?y/n\n')
if answer == 'y' or answer == 'Y':
modify()
def sort():
show()
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
stu_list = rfile.readlines()
stu_new = []
for item in stu_list:
d = dict(eval(item))
stu_new.append(d)
else:
return
asc_desc = input('please choose(0:asc,1:desc):')
if asc_desc == '0':
asc_desc_bool = False
elif asc_desc == '1':
asc_desc_bool = True
else:
print('ERROR,please input again:')
sort()
mode = input('please choose(1:English,2:Python,3:Java,4:Total):')
if mode == '1':
stu_new.sort(key=lambda x: int(x['English']),reverse=asc_desc_bool)
elif mode == '2':
stu_new.sort(key=lambda x: int(x['Python']), reverse=asc_desc_bool)
elif mode == '3':
stu_new.sort(key=lambda x: int(x['Java']), reverse=asc_desc_bool)
elif mode == '4':
stu_new.sort(key=lambda x: int(x['English']) + int(x['Python']) + int(x['Java']), reverse=asc_desc_bool)
else:
print('ERROR,please inut again:')
sort()
show_student(stu_new)
def totalsum():
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
stu = rfile.readlines()
if stu:
print('Totally %d students' % len(stu))
else:
print('have not insert')
else:
print('have not saved')
def show():
stu_lst = []
if os.path.exists(filename):
with open(filename,'r',encoding='utf-8') as rfile:
stu =rfile.readlines()
for item in stu:
stu_lst.append(eval(item))
if stu_lst:
show_student(stu_lst)
else:
print('have not saved')
if __name__ == '__main__':
main()
打包
D:\pythoncode>cd 学生信息管理系统
D:\pythoncode\学生信息管理系统>pyinstaller -F 学生信息管理系统.py
89 INFO: PyInstaller: 3.4
89 INFO: Python: 3.5.2
90 INFO: Platform: Windows-7-6.1.7601-SP1
92 INFO: wrote D:\pythoncode\学生信息管理系统\学生信息管理系统.spec
95 INFO: UPX is not available.
202 INFO: Extending PYTHONPATH with paths
['D:\\pythoncode\\学生信息管理系统', 'D:\\pythoncode\\学生信息管理系统']
204 INFO: checking Analysis
204 INFO: Building Analysis because Analysis-00.toc is non existent
205 INFO: Initializing module dependency graph...
211 INFO: Initializing module graph hooks...
216 INFO: Analyzing base_library.zip ...
6084 INFO: running Analysis Analysis-00.toc
6562 INFO: Caching module hooks...
6573 INFO: Analyzing D:\pythoncode\学生信息管理系统\学生信息管理系统.py
6593 INFO: Loading module hooks...
6594 INFO: Loading module hook "hook-xml.py"...
7028 INFO: Loading module hook "hook-encodings.py"...
7158 INFO: Loading module hook "hook-pydoc.py"...
7177 INFO: Looking for ctypes DLLs
7209 INFO: Analyzing run-time hooks ...
7219 INFO: Looking for dynamic libraries
7388 INFO: Looking for eggs
7388 INFO: Using Python library f:\python\python35.dll
7389 INFO: Found binding redirects:
[]
7414 INFO: Warnings written to D:\pythoncode\学生信息管理系统\build\学生信息管理系统\warn-学生信息管理系统.txt
7534 INFO: Graph cross-reference written to D:\pythoncode\学生信息管理系统\build\学生信息管理系统\xref-学生信息管理系统.html
7546 INFO: checking PYZ
7546 INFO: Building PYZ because PYZ-00.toc is non existent
7547 INFO: Building PYZ (ZlibArchive) D:\pythoncode\学生信息管理系统\build\学生信息管理系统\PYZ-00.pyz
8448 INFO: Building PYZ (ZlibArchive) D:\pythoncode\学生信息管理系统\build\学生信息管理系统\PYZ-00.pyz completed successfully.
8459 INFO: checking PKG
8460 INFO: Building PKG because PKG-00.toc is non existent
8460 INFO: Building PKG (CArchive) PKG-00.pkg
11283 INFO: Building PKG (CArchive) PKG-00.pkg completed successfully.
11289 INFO: Bootloader f:\python\lib\site-packages\PyInstaller\bootloader\Windows-64bit\run.exe
11289 INFO: checking EXE
11289 INFO: Building EXE because EXE-00.toc is non existent
11290 INFO: Building EXE from EXE-00.toc
11290 INFO: Appending archive to EXE D:\pythoncode\学生信息管理系统\dist\学生信息管理系统.exe
11327 INFO: Building EXE from EXE-00.toc completed successfully.