QValidatorTest.rar
Qt中只带几种输入限制示例,在使用QLineEdit输入数值时,经常遇到限制其范围的需要,比度角范围为[-90,90],时间范围[0,24]等等。Qt提供了QIntValidator和QDoubleValidator可以限定数值输入范围,如使用QIntValidator限制整数的数值范围
Qt中只带几种输入限制示例,在使用QLineEdit输入数值时,经常遇到限制其范围的需要,比度角范围为[-90,90],时间范围[0,24]等等。Qt提供了QIntValidator和QDoubleValidator可以限定数值输入范围,如使用QIntValidator限制整数的数值范围
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