SpringMvc 时间转换器

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Pattern;

import org.springframework.beans.TypeMismatchException;
import org.springframework.core.convert.converter.Converter;

public class DataConverter implements Converter<String, Date> {

@Override
public Date convert(String source) {
	SimpleDateFormat sdf = getSimpleDateFormat(source);
	try {
		Date date = sdf.parse(source);
		return date;
	} catch (ParseException e) {
		e.printStackTrace();
	}
	return null;
}

private SimpleDateFormat getSimpleDateFormat(String source) {
	SimpleDateFormat sdf = new SimpleDateFormat();
	if (Pattern.matches("^\\d{4}-\\d{2}-\\d{2}$", source)) { // yyyy-MM-dd
		sdf = new SimpleDateFormat("yyyy-MM-dd");
	} else if (Pattern.matches("^\\d{4}-\\d{2}-\\d{2} \\d{2}-\\d{2}-\\d{2}$", source)) { // yyyy-MM-dd HH-mm-ss
		sdf = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss");
	} else if (Pattern.matches("^\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}$", source)) { // yyyy-MM-dd HH:mm:ss
		sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	} else if (Pattern.matches("^\\d{4}/\\d{2}/\\d{2}$", source)) { // yyyy/MM/dd
		sdf = new SimpleDateFormat("yyyy/MM/dd");
	} else if (Pattern.matches("^\\d{4}/\\d{2}/\\d{2} \\d{2}/\\d{2}/\\d{2}$", source)) { // yyyy/MM/dd HH/mm/ss
		sdf = new SimpleDateFormat("yyyy/MM/dd HH/mm/ss");
	} else if (Pattern.matches("^\\d{4}\\d{2}\\d{2}$", source)) { // yyyyMMdd
		sdf = new SimpleDateFormat("yyyyMMdd");
	} else if (Pattern.matches("^\\d{4}\\d{2}\\d{2} \\d{2}\\d{2}\\d{2}$", source)) { // yyyyMMdd HHmmss
		sdf = new SimpleDateFormat("yyyyMMdd HHmmss");
	} else if (Pattern.matches("^\\d{4}\\.\\d{2}\\.\\d{2}$", source)) { // yyyy.MM.dd
		sdf = new SimpleDateFormat("yyyy.MM.dd");
	} else if (Pattern.matches("^\\d{4}\\.\\d{2}\\.\\d{2} \\d{2}\\.\\d{2}\\.\\d{2}$", source)) { // yyyy.MM.dd  HH.mm.ss
		sdf = new SimpleDateFormat("yyyy.MM.dd HH.mm.ss");
	} else {
		System.out.println("TypeMismatchException");
		throw new TypeMismatchException(source, Date.class);
	}
	return sdf;
}
}
使用
<!-- 注册日期转换器 -->
<bean id="conversionServiceFactoryBean"
	class="org.springframework.context.support.ConversionServiceFactoryBean">
	<property name="converters">
		<set>
			<bean class="com.alisingle.utils.DataConverter" />
		</set>
	</property>
</bean>