import org.springframework.format.datetime.joda.DateTimeParser; //导入依赖的package包/类
@Test
public void testFormatFieldForTypeWithPrinterParserWithCoercion() throws ParseException {
	formattingService.addConverter(new Converter<DateTime, LocalDate>() {
		@Override
		public LocalDate convert(DateTime source) {
			return source.toLocalDate();
		}
	});
	formattingService.addFormatterForFieldType(LocalDate.class, new ReadablePartialPrinter(DateTimeFormat
			.shortDate()), new DateTimeParser(DateTimeFormat.shortDate()));
	String formatted = formattingService.convert(new LocalDate(2009, 10, 31), String.class);
	assertEquals("10/31/09", formatted);
	LocalDate date = formattingService.convert("10/31/09", LocalDate.class);
	assertEquals(new LocalDate(2009, 10, 31), date);
}
 

import org.springframework.format.datetime.joda.DateTimeParser; //导入依赖的package包/类
private void register(FormatterRegistry registry, Class<?> clazz, DateTimeFormatter formatter) {
  if (ReadablePartial.class.isAssignableFrom(clazz)) {
    registry.addFormatterForFieldType(clazz, new ReadablePartialPrinter(formatter), new DateTimeParser(formatter));
  }
  else if (ReadableInstant.class.isAssignableFrom(clazz)) {
    registry.addFormatterForFieldType(clazz, new ReadableInstantPrinter(formatter), new DateTimeParser(formatter));
  }
}
 

import org.springframework.format.datetime.joda.DateTimeParser; //导入依赖的package包/类
public DateTimeToParser(DateTimeFormatter formatterYmd, DateTimeFormatter formatterYmdHm,
		DateTimeFormatter formatterYmdHms) {
	parserYmd = new DateTimeParser(formatterYmd);
	parserYmdHm = new DateTimeParser(formatterYmdHm);
	parserYmdHms = new DateTimeParser(formatterYmdHms);
}