cn.basics.util.extend.TimeUtil Maven / Gradle / Ivy

Go to download
package cn.basics.util.extend;

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

/**
 * @ClassName: TimeUtil
 * @Description: TODO(时间工具类)
 * @author [email protected] (苟志强)
 * @date 2017-7-3 下午2:30:29
 */
public class TimeUtil {
	/**禁止实例化*/
	private TimeUtil(){}
	
	public static final String DATE_TIME = "yyyy-MM-dd HH:mm:ss";
    public static final String DATE      = "yyyy-MM-dd";
    public static final String TIME      = "HH:mm:ss";

    public static final SimpleDateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    public static final SimpleDateFormat DATE_FORMAT      = new SimpleDateFormat("yyyy-MM-dd");
    public static final SimpleDateFormat TIME_FORMAT      = new SimpleDateFormat("HH:mm:ss");

    /**
     * @Title: getTime
     * @Description: TODO(获取字符串日期)
     * @author [email protected] (苟志强)
     * @date  2017-7-3 下午2:23:28
     * @return
     */
    public static String getTime() {
    	return TIME_FORMAT.format(new Date());
    }
    /**
     * @Title: getDate
     * @Description: TODO(获取字符串日期)
     * @author [email protected] (苟志强)
     * @date  2017-7-3 下午2:23:28
     * @return
     */
    public static String getDate() {
        return DATE_FORMAT.format(new Date());
    }
    /**
     * @Title: getDateTime
     * @Description: TODO(格式字符串 日期加时间)
     * @author [email protected] (苟志强)
     * @date  2017-7-3 下午2:23:22
     * @return
     */
    public static String getDateTime() {
        return DATE_TIME_FORMAT.format(new Date());
    }
    /**
     * @Title: parse
     * @Description: TODO(格式化字符串时间)
     * @author [email protected] (苟志强)
     * @date  2017-7-3 下午2:23:12
     * @param date
     * @param format
     * @return
     */
    public static Date parse(String date, String format) {
        try {
            if (DATE.equals(format)) {
                return DATE_FORMAT.parse(date);
            }
            if (DATE_TIME.equals(format)) {
                return DATE_TIME_FORMAT.parse(date);
            }
            if (TIME.equals(format)) {
                return TIME_FORMAT.parse(date);
            }
            SimpleDateFormat dateformat = new SimpleDateFormat(format);
            return dateformat.parse(format);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }
    /**
     * @Title: String
     * @Description: TODO(格式化时间)
     * @author [email protected] (苟志强)
     * @date  2017-7-3 下午2:23:40
     * @param date
     * @param format
     * @return
     */
    public static String String(Date date, String format) {
        try {
            if (DATE.equals(format)) {
                return DATE_FORMAT.format(date);
            }
            if (DATE_TIME.equals(format)) {
                return DATE_TIME_FORMAT.format(date);
            }
            if (TIME.equals(format)) {
                return TIME_FORMAT.format(date);
            }
            SimpleDateFormat dateformat = new SimpleDateFormat(format);
            return dateformat.format(format);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

}