double QML Value Type

a number with a decimal point, stored in double precision. 更多...

详细描述

The double type refers to a number with a decimal point and is stored in double precision, IEEE floating point format. It's the same as real .

Properties of type double have 0.0 as their default value.

范例：

Item {
    property double number: 32155.2355
}

This value type is provided by the QML language.

另请参阅 QML Value Types .