import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Add formatters appropriate for most environments, including number formatters and a Joda-Time
 * date formatter if Joda-Time is present on the classpath.
 * @param formatterRegistry the service to register default formatters against
 */
public static void addDefaultFormatters(FormatterRegistry formatterRegistry) {
	formatterRegistry.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());
	if (jsr310Present) {
		// just handling JSR-310 specific date and time types
		new DateTimeFormatterRegistrar().registerFormatters(formatterRegistry);
	}
	if (jodaTimePresent) {
		// handles Joda-specific types as well as Date, Calendar, Long
		new JodaTimeFormatterRegistrar().registerFormatters(formatterRegistry);
	}
	else {
		// regular DateFormat-based Date, Calendar, Long converters
		new DateFormatterRegistrar().registerFormatters(formatterRegistry);
	}
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Install the converters into the converter registry.
 * @param registry the converter registry
 */
@SuppressWarnings("deprecation")
public static void registerConverters(ConverterRegistry registry) {
	DateFormatterRegistrar.addDateConverters(registry);

	registry.addConverter(new DateTimeToLocalDateConverter());
	registry.addConverter(new DateTimeToLocalTimeConverter());
	registry.addConverter(new DateTimeToLocalDateTimeConverter());
	registry.addConverter(new DateTimeToDateMidnightConverter());
	registry.addConverter(new DateTimeToMutableDateTimeConverter());
	registry.addConverter(new DateTimeToInstantConverter());
	registry.addConverter(new DateTimeToDateConverter());
	registry.addConverter(new DateTimeToCalendarConverter());
	registry.addConverter(new DateTimeToLongConverter());
	registry.addConverter(new DateToReadableInstantConverter());
	registry.addConverter(new CalendarToReadableInstantConverter());
	registry.addConverter(new LongToReadableInstantConverter());
	registry.addConverter(new LocalDateTimeToLocalDateConverter());
	registry.addConverter(new LocalDateTimeToLocalTimeConverter());
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Install the converters into the converter registry.
 * @param registry the converter registry
 */
public static void registerConverters(ConverterRegistry registry) {
	DateFormatterRegistrar.addDateConverters(registry);

	registry.addConverter(new LocalDateTimeToLocalDateConverter());
	registry.addConverter(new LocalDateTimeToLocalTimeConverter());
	registry.addConverter(new ZonedDateTimeToLocalDateConverter());
	registry.addConverter(new ZonedDateTimeToLocalTimeConverter());
	registry.addConverter(new ZonedDateTimeToLocalDateTimeConverter());
	registry.addConverter(new ZonedDateTimeToOffsetDateTimeConverter());
	registry.addConverter(new ZonedDateTimeToInstantConverter());
	registry.addConverter(new OffsetDateTimeToLocalDateConverter());
	registry.addConverter(new OffsetDateTimeToLocalTimeConverter());
	registry.addConverter(new OffsetDateTimeToLocalDateTimeConverter());
	registry.addConverter(new OffsetDateTimeToZonedDateTimeConverter());
	registry.addConverter(new OffsetDateTimeToInstantConverter());
	registry.addConverter(new CalendarToZonedDateTimeConverter());
	registry.addConverter(new CalendarToOffsetDateTimeConverter());
	registry.addConverter(new CalendarToLocalDateConverter());
	registry.addConverter(new CalendarToLocalTimeConverter());
	registry.addConverter(new CalendarToLocalDateTimeConverter());
	registry.addConverter(new CalendarToInstantConverter());
	registry.addConverter(new LongToInstantConverter());
	registry.addConverter(new InstantToLongConverter());
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Add formatters appropriate for most environments: including number formatters,
 * JSR-354 Money & Currency formatters, JSR-310 Date-Time and/or Joda-Time formatters,
 * depending on the presence of the corresponding API on the classpath.
 * @param formatterRegistry the service to register default formatters with
 */
public static void addDefaultFormatters(FormatterRegistry formatterRegistry) {
	// Default handling of number values
	formatterRegistry.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());

	// Default handling of monetary values
	if (jsr354Present) {
		formatterRegistry.addFormatter(new CurrencyUnitFormatter());
		formatterRegistry.addFormatter(new MonetaryAmountFormatter());
		formatterRegistry.addFormatterForFieldAnnotation(new Jsr354NumberFormatAnnotationFormatterFactory());
	}

	// Default handling of date-time values
	if (jsr310Present) {
		// just handling JSR-310 specific date and time types
		new DateTimeFormatterRegistrar().registerFormatters(formatterRegistry);
	}
	if (jodaTimePresent) {
		// handles Joda-specific types as well as Date, Calendar, Long
		new JodaTimeFormatterRegistrar().registerFormatters(formatterRegistry);
	}
	else {
		// regular DateFormat-based Date, Calendar, Long converters
		new DateFormatterRegistrar().registerFormatters(formatterRegistry);
	}
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
@Bean
public FormattingConversionService mvcConversionService() { // Método para setar padrões de conversão
    DefaultFormattingConversionService conversionService
            = new DefaultFormattingConversionService(
                    true);

    DateFormatterRegistrar registrar = new DateFormatterRegistrar();
    registrar.setFormatter(new DateFormatter("yyyy-MM-dd"));
    registrar.registerFormatters(conversionService);
    return conversionService;
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Add formatters appropriate for most environments, including number formatters and a Joda-Time
 * date formatter if Joda-Time is present on the classpath.
 * @param formatterRegistry the service to register default formatters against
 */
public static void addDefaultFormatters(FormatterRegistry formatterRegistry) {
	formatterRegistry.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());
	if (jodaTimePresent) {
		new JodaTimeFormatterRegistrar().registerFormatters(formatterRegistry);
	}
	else {
		new DateFormatterRegistrar().registerFormatters(formatterRegistry);
	}
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
/**
 * Install the converters into the converter registry.
 * @param registry the converter registry
 */
public static void registerConverters(ConverterRegistry registry) {
	DateFormatterRegistrar.addDateConverters(registry);
	registry.addConverter(new DateTimeToLocalDateConverter());
	registry.addConverter(new DateTimeToLocalTimeConverter());
	registry.addConverter(new DateTimeToLocalDateTimeConverter());
	registry.addConverter(new DateTimeToDateMidnightConverter());
	registry.addConverter(new DateTimeToMutableDateTimeConverter());
	registry.addConverter(new DateTimeToInstantConverter());
	registry.addConverter(new DateTimeToDateConverter());
	registry.addConverter(new DateTimeToCalendarConverter());
	registry.addConverter(new DateTimeToLongConverter());
	registry.addConverter(new DateToReadableInstantConverter());
	registry.addConverter(new CalendarToReadableInstantConverter());
}
 

import org.springframework.format.datetime.DateFormatterRegistrar; //导入依赖的package包/类
@Bean
public FormattingConversionService mvcConversionService() {
	DefaultFormattingConversionService conversionService = new DefaultFormattingConversionService(false);
	addFormattersForFieldAnnotation(conversionService);
	DateFormatterRegistrar registrar = new DateFormatterRegistrar();
	registrar.setFormatter(new DateFormatter(GLOBAL_DATE_FORMAT));
	registrar.registerFormatters(conversionService);
	return conversionService;
}