InputMask

在UI界面输入栏中，使用InputMask可以限制输入字符；在QT的QLineEdit中，可调用setInputMask方法设置，若想取消掩码可以调用setInputMask("")输入空字符串取消。

关于VBA中的TextBox.InputMask property参见：Link

下表为掩码中可用字符及含义:

Character    Meaning
A            ASCII alphabetic character required. A-Z, a-z.(必须需要ASCII码字符A-Z和a-z)
a            ASCII alphabetic character permitted but not required.(允许但非必需ASCII码字符A-Z和a-z)
N            ASCII alphanumeric character required. A-Z, a-z, 0-9.(必须需要ASCII码字符A-Z和a-z、0-9)
n            ASCII alphanumeric character permitted but not required.(允许但非必需ASCII码字符A-Z和a-z、0-9)
X            Any character required.
x            Any character permitted but not required.
9            ASCII digit required. 0-9.
0            ASCII digit permitted but not required.
D            ASCII digit required. 1-9.
d            ASCII digit permitted but not required (1-9).
#            ASCII digit or plus/minus sign permitted but not required.
H            Hexadecimal character required. A-F, a-f, 0-9.
h            Hexadecimal character permitted but not required.
B            Binary character required. 0-1.
b            Binary character permitted but not required.
>            All following alphabetic characters are uppercased.
<            All following alphabetic characters are lowercased.
!            Switch off case conversion.
[ ] { }      Reserved.
\            Use \ to escape the special characters listed above to use them as separators.

Examples:

 

Mask	Notes
000.000.000.000;_	IP address; blanks are _.
HH:HH:HH:HH:HH:HH;_	MAC address
0000-00-00	ISO Date; blanks are space
>AAAAA-AAAAA-AAAAA-AAAAA-AAAAA;#	License number; blanks are - and all (alphabetic) characters are converted to uppercase.

To get range control (e.g., for an IP address) use masks together with validators.

Access functions:

 

QString	inputMask() const
void	setInputMask(const QString &inputMask)