#編譯環(huán)境為python3 
 
#學生信息管理系統(tǒng)包括基本的信息功能，能夠?qū)崿F(xiàn)學生信息的輸入，查詢，增添和刪除 
#基本框架：開始操作菜單，接收輸入選項，調(diào)用相應的函數(shù)實現(xiàn)對應的功能，循環(huán)回到開始菜單， 
#操作菜單： 
 
student = [] 
def studentMeau(): 
 print('-'*30) 
 print('-------學生信息管理系統(tǒng)-------') 
 print('  1、添加學生信息') 
 print('  2、刪除學生信息') 
 print('  3、查詢學生信息')  
 print('  4、修改學生信息') 
 print('  5、退出') 
 print('-'*30) 
def appendStuInf(): 
 studentInf = {'Name':'','Id':'','Sex':'','Age':'','Project':''} 
 studentInf['Name'] = input('請輸入學生姓名：') 
 studentInf['Id'] = input('請輸入學生學號：') 
 studentInf['Sex'] = input('請輸入學生性別：') 
 studentInf['Age'] = input('請輸入學生年齡：') 
 studentInf['Project'] = input('請輸入學生專業(yè)：') 
 student.append(studentInf) 
 #print(student) 
def deleteStuInf(): 
 num = input('請輸入要刪除學生的學號：') 
# for i in range(len(student)): 
#  if student[i]['Id'] == num: 
#   student.remove(student[i]) 
#   break 
 for stu_inf in student: 
  if stu_inf['Id'] == num: 
   student.remove(stu_inf) 
   break 
# print(student) 
def inquireStuInf(): 
 flag = False 
 num = input('請輸入要查詢學生的學號：') 
 for stu_inf in student: 
  if stu_inf['Id'] == num: 
   print('name: '+stu_inf['Name']+'\n') 
   print('Id: '+stu_inf['Id']+'\n') 
   print('Sex: '+stu_inf['Sex']+'\n') 
   print('Age: '+stu_inf['Age']+'\n') 
   print('Project: '+stu_inf['Project']+'\n') 
   flag = True 
   break 
 if flag == False: 
  print('沒有查詢到該生的信息！') 
def modifyStuInf(): 
 num = input('請輸入要修改學生的學號：') 
 flag = False 
 for stu_inf in student: 
  if stu_inf['Id'] == num: 
   print('name: '+stu_inf['Name']+'\n') 
   print('Id: '+stu_inf['Id']+'\n') 
   print('Sex: '+stu_inf['Sex']+'\n') 
   print('Age: '+stu_inf['Age']+'\n') 
   print('Project: '+stu_inf['Project']+'\n') 
   flag = True 
   break 
 if flag == False: 
  print('沒有該生的信息！') 
  return 
 print('1:姓名 ---- 2:學號 ---- 3:性別 ---- 4:年齡 ---- 5:專業(yè) ---- 6:退出'+'\n') 
 while True: 
  choice = int(input("請輸入選項序號：")) 
  if choice == 1: 
   stu_inf['Name'] = input('請重新輸入姓名：') 
   print('姓名已更正為：'+stu_inf['Name']+'\n') 
  elif choice == 2: 
   stu_inf['Id'] = input('請重新輸入學號：') 
   print('學號已更正為：'+stu_inf['Id']+'\n') 
    
  elif choice == 3: 
   stu_inf['Sex'] = input('請重新輸入性別：') 
   print('性別已更正為：'+stu_inf['Sex']+'\n') 
  elif choice == 4: 
   stu_inf['Age'] = input('請重新輸入年齡：') 
   print('年齡已更正為：'+stu_inf['Age']+'\n') 
  elif choice == 5: 
   stu_inf['Project'] = input('請重新輸入專業(yè)：') 
   print('專業(yè)已更正為：'+stu_inf['Project']+'\n') 
  elif choice == 6: 
   print('修改完畢！') 
   break 
  else: 
   print('輸入有誤，不予執(zhí)行!') 
while True: 
 studentMeau() 
 choice = int(input("請輸入選項序號：")) 
 if choice == 1: 
  #添加學生信息 
  appendStuInf() 
 elif choice == 2: 
  #刪除學生信息 
  deleteStuInf() 
 elif choice == 3: 
  #查詢學生信息 
  inquireStuInf() 
 elif choice == 4: 
  #修改學生信息 
  modifyStuInf() 
 elif choice == 5: 
  print('謝謝使用！') 
  break 
 else: 
  print('輸入有誤，檢查后重新輸入！')