DigitsAnnotationPostProcessor.java 文件源码

@Override
public Object process(AnnotationInfo ctx, Object value) throws Exception {
    if (!ctx.isAnnotationPresent(Digits.class)) {
        return value;
    }

    int integrals = ctx.getAnnotation(Digits.class).integer();
    String number = "0";
    if (integrals > 0) {
        number = RandomStringUtils.randomNumeric(integrals);
    }
    int fractions = ctx.getAnnotation(Digits.class).fraction();
    if (fractions > 0) {
        number += "." + RandomStringUtils.randomNumeric(fractions);
    }
    return ReflectionUtils.stringToNumber(number, value.getClass());
}