1
我試圖用qbasic做一個簡單的登錄程序。我使用了3個子模塊和1個主模塊。代碼如下:qbasic-我的代碼有什麼問題?我沒有得到我想要的
DECLARE SUB login()
DECLARE SUB menu()
DECLARE SUB REGISTER()
CLS
CALL menu
END
SUB login
OPEN "USERPASS.TXT" FOR INPUT AS #2
CLS
97
LOCATE 2, 30: PRINT "LOGIN"
LOCATE 4, 10: INPUT "PLEASE ENTER CORRECT USERNAME OR PRESS B IF YOU WANT TO GO BACK"; USER$
IF UCASE$(USER$) = "B" THEN
CLOSE #2
CALL menu
ELSE
DO WHILE NOT EOF(2)
INPUT #2, U$, p$
IF U$ = USER$ THEN
TEMPUSER$ = U$
PASSWORDS$ = p$
EXIT DO
END IF
LOOP
END IF
IF USER$ = TEMPUSER$ THEN
98
PRINT PASSWORDS$
LOCATE 5, 30: INPUT "ENTER PASSWORD OR PRESS B if you want to go back"; password$
IF UCASE$(password$) = "B" THEN
GOTO 97
ELSE
IF password$ = PASSWORDS$ THEN
PRINT "HURRAY YOU LOGGED IN"
ELSE
GOTO 98
END IF
END IF
ELSE
GOTO 97
END IF
CLOSE #2
END SUB
SUB menu
CLS
23
LOCATE 2, 30: PRINT "MAIN MENU"
LOCATE 4, 30: PRINT "1.LOGIN"
LOCATE 5, 30: PRINT "2.REGISTER"
LOCATE 6, 30: INPUT "PLEASE! Enter 1 or 2"; a
IF a = 1 THEN
CALL login
ELSE
IF a = 2 THEN
CALL REGISTER
ELSE
CLS
GOTO 23
END IF
END IF
END SUB
SUB REGISTER
CLS
OPEN "userpass.txt" FOR APPEND AS #1
LOCATE 2, 30: PRINT "REGISTER MENU"
LOCATE 4, 30: INPUT "ENTER NEW USERNAME"; NEWU$
CLS
LOCATE 4, 30: INPUT "ENTER NEW PASSWORD"; PASSU$
WRITE #1, NEWU$, PASSU$
END SUB
一切都是我的願望,但在子模塊登錄有些事情是錯誤的我猜。即使輸入正確的密碼和用戶名,登錄按摩也不會進入。但是如果我輸入不存在的用戶名,它將顯示登錄信息。請幫忙。提前致謝。
這麼小的錯誤,我很沮喪。謝謝您的幫助! – uvrichest