#編譯環境為python3

#學生資訊管理系統包括基本的資訊功能，能夠實現學生資訊的輸入，查詢，增添和刪除
#基本框架：開始操作選單，接收輸入選項，呼叫相應的函式實現對應的功能，迴圈回到開始選單，
#操作選單：

student = []
def studentMeau():
	print('-'*30)
	print('-------學生資訊管理系統-------')
	print('       1、新增學生資訊')
	print('       2、刪除學生資訊')
	print('       3、查詢學生資訊')	
	print('       4、修改學生資訊')
	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：')
	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('沒有查詢到該生的資訊！')
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('沒有該生的資訊！')
		return
	print('1:姓名 ---- 2:學號 ---- 3:性別 ---- 4:年齡 ---- 5:專業 ---- 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：')
			print('專業已更正為：'+stu_inf['Project']+'\n')
		elif choice == 6:
			print('修改完畢！')
			break
		else:
			print('輸入有誤，不予執行!')
while True:
	studentMeau()
	choice = int(input("請輸入選項序號："))
	if choice == 1:
		#新增學生資訊
		appendStuInf()
	elif choice == 2:
		#刪除學生資訊
		deleteStuInf()
	elif choice == 3:
		#查詢學生資訊
		inquireStuInf()
	elif choice == 4:
		#修改學生資訊
		modifyStuInf()
	elif choice == 5:
		print('謝謝使用！')
		break
	else:
		print('輸入有誤，檢查後重新輸入！')