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import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.UUID;

import com.alibaba.fastjson.JSON;

/**
*
* @ClassName: Toolkit
* @Description: TODO(工具类)
* @author llj
* @date 2013年01月25日下午3:41:47
*
*/
public class Toolkit {
public static String dateTimePattern = “yyyy-MM-dd HH:mm:ss”;
public static String datePattern = “yyyy-MM-dd”;
public static final String SHORTPATTERN = “yyyyMMdd”;

/** * 判断是否为空的方法 *  * @param obj * @return */public static boolean isEmpty(Object obj) {    return obj == null || "null".equals(obj) || "undefined".equals(obj)            || "".equals(obj.toString().trim());}/** * 转化JSON *  * @param obj * @param pattern * @return */public static String toJson(Object obj, String pattern) {    if (Toolkit.isEmpty(pattern)) {        pattern = Toolkit.datePattern;    }    return JSON.toJSONStringWithDateFormat(obj, pattern);}/** * 解析JSON 转化成列表 *  * @param json * @param clazz * @return */public static <T> List<T> jsonToList(String json, Class<T> clazz) {    return JSON.parseArray(json, clazz);}/** * 解析JSON转化成JAVABEAN *  * @param json * @param clazz * @return */public static <T> T jsonToObject(String json, Class<T> clazz) {    return JSON.parseObject(json, clazz);}/** * 根据日期与随机数，生成随机字符串 *  * @return */public static String RandomStr() {    DateFormat format = new SimpleDateFormat("yyyyMMddHHmmssSSSS");    String formatDate = format.format(new Date());    // 随机生成文件编号    int random = new Random().nextInt(10000);    return new StringBuffer().append(formatDate).append(random).toString();}/** * 获取不带时间的Date *  * @param date * @return * @throws ParseException */public static Date getDateWithoutTime(Date date) throws ParseException {    DateFormat fmt = new SimpleDateFormat(datePattern);    return fmt.parse(fmt.format(date));}public static Date getDateByShortDateStr(String dateStr){    DateFormat fmt = new SimpleDateFormat(SHORTPATTERN);    Date date = null;    try {         date= fmt.parse(dateStr);    } catch (Exception e) {        e.printStackTrace();    }    return date;}/** * 获取带时间的Date* @Title: getDateWithTime * @Description: TODO() * @param @param date* @param @return* @param @throws ParseException    设定文件 * @return Date    返回类型 * @throws */public static Date getDateWithTime(Date date) throws ParseException {    DateFormat fmt = new SimpleDateFormat(dateTimePattern);    return fmt.parse(fmt.format(date));}/** * 获取当前日期（不带时间） *  * @return * @throws ParseException */public static Date getCurrDateWithoutTime() throws ParseException {    return getDateWithoutTime(new Date());}/** * 获取当前日期的字符串 * @return String (yyyy-MM-dd) * */public static String getCurrDateWithoutTimeStr() {    DateFormat fmt = new SimpleDateFormat(datePattern);    return fmt.format(new Date());}public static String getCurrDateWithoutTimeStr2() {    DateFormat fmt = new SimpleDateFormat(dateTimePattern);    return fmt.format(new Date());}/** * 获取当前日期* @Title: getCurrDateWithTimeStr * @Description: TODO() * @param @return    设定文件 * @return String    String (yyyy-MM-dd HH:mm:ss)* @throws */public static String getCurrDateWithTimeStr() {    DateFormat fmt = new SimpleDateFormat(dateTimePattern);    return fmt.format(new Date());}/** * 获取两个时间之间的时间差 */public static long getDiffBetweenDate(String begin, String end) {    DateFormat format = new SimpleDateFormat(dateTimePattern);    Date beginDate = null;    Date endDate = null;    long diff = 0;    try {        beginDate = format.parse(begin);        endDate = format.parse(end);        diff = endDate.getTime() - beginDate.getTime();    } catch (Exception e) {        e.printStackTrace();    }    return diff;}/** * 格式化日期 *  * @param dateStr * @param pattern * @return * @throws ParseException */public static Date formatDate(String dateStr, String pattern)        throws ParseException {    if (Toolkit.isEmpty(pattern)) {        pattern = Toolkit.datePattern;    }    DateFormat fmt = new SimpleDateFormat(pattern);    return fmt.parse(dateStr);}/** * 返回格式化后的日期 *  * @param date * @param pattern * @return */public static String parseDate(Date date, String pattern) {    if (Toolkit.isEmpty(pattern)) {        pattern = Toolkit.datePattern;    }    DateFormat fmt = new SimpleDateFormat(pattern);    return fmt.format(date);}/** * 创建MAP 并放入条件 *  * @param key * @param value * @return */public static HashMap<String, Object> initMapCondition(String key,Object value) {    HashMap<String, Object> result = new HashMap<>();    result.put(key, value);    return result;}/** * 创建一个MAP 并放入key为status，value为输入值 *  * @param status * @return */public static HashMap<String, Object> initMapStatus(Integer status) {    return Toolkit.initMapCondition("status", status);}public static void main(String[] args) {    Map<String, Object> map = new HashMap<>();    map.put("user_name", "admin");    map.put("phone", "13558657902");    List<Map<String, Object>> list = new ArrayList<>();    list.add(map);    System.out.println(JSON.toJSON(new ExtReturn(1, "成功", "{}")));}/** * 随机32位UUID *  * @return */public static String randomUUID() {    UUID uuid = UUID.randomUUID();    String result = uuid.toString().replaceAll("-", "");    return result;}/** * 生成带页码信息的pageBean *  * @param info * @return */public static PageBean fillPageInfo(PageInfo info) {    PageBean page = new PageBean();    page.setPageSize(info.getRows() == null ? 20 : info.getRows());    page.setPageNumber(info.getPage() == null ? 1 : info.getPage());    if (!Toolkit.isEmpty(info.getConditions())) {        page.setConditions(info.getConditions());    }    return page;}/** * @Title: getLaterTimeThanSpecifyTime * @Description: TODO(获取距离给定时间之后的某一个时间) * @param @param specifyTime* @param @param field 为Calendar类静态常量* @param @param amount 为时间间隔类型* @param @return    设定文件 * @return String    返回类型 * @throws */public static String getLaterTimeThanSpecifyTime(Calendar specifyTime, int field, int amount){    specifyTime.add(field, amount);    SimpleDateFormat simpleDateFormat = new SimpleDateFormat(dateTimePattern);    return simpleDateFormat.format(specifyTime.getTimeInMillis());}/** * * @Title: getServiceTime * @Description: TODO(java 获取1970到现在毫秒数) * @param @return    设定文件 * @return Map<String,Object>    返回类型 * @throws */public static Map<String, Object> getServiceTime() {    Map<String, Object> timeMap = new HashMap<>();    Calendar c=Calendar.getInstance();

// c.set(year,month,date,hour,minute,second);
long answer=c.getTimeInMillis()/1000;

// Date date = new Date();
// date.getTime();
timeMap.put(“dateTime”, answer);

    return timeMap;}/** * @Title: objectMapToStringMap * @Description: obj Map 转  str Map  *  * @param obj 需要被转化的Map * @return String map */public static Map<String,String> objectMapToStringMap(Map<String, Object> obj){    Map<String,String> strMap = new HashMap<>();    Set<String> keySet = obj.keySet();    for(String key : keySet){        strMap.put(key, obj.get(key).toString());    }    return strMap;}/** * @Title: stringMapToObjectMap * @Description: str Map 转  obj Map  *  * @param obj 需要被转化的Map * @return obj map */public static Map<String,Object> stringMapToObjectMap(Map<String, String> obj){    Map<String,Object> objMap = new HashMap<>();    Set<String> keySet = obj.keySet();    for(String key : keySet){        objMap.put(key, obj.get(key));    }    return objMap;}

public static void main(String[] args) {
DateTime dTime = new DateTime();
DateTime dateTime = null;
try {
dateTime = new DateTime(Toolkit.formatDate(“2014-04-20 16:38:35”, Toolkit.dateTimePattern));
} catch (ParseException e) {
e.printStackTrace();
}
Days days = Days.daysBetween(dateTime, dTime);
Hours hours = Hours.hoursBetween(dateTime, dTime);
Minutes minutes = Minutes.minutesBetween(dateTime, dTime);
System.out.println(days.getDays() + “=====days”);
System.out.println(hours.getHours() + “=====hours”);
System.out.println(minutes.getMinutes() + “=====minutes”);
}

/** *  * @Title: getConstellation * @Description: 根据生日计算出星座 *  */public static String getConstellation(Object birthday) {    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");    String format = sdf.format(birthday);    int month = Integer.parseInt(format.substring(4, 6));    int day = Integer.parseInt(format.substring(6, 8));    int[] DAYARR = new int[] { 20, 19, 21, 20, 21, 22, 23, 23, 23, 24, 23, 22 };    String[] CONSTELLATIONARR = new String[] { "摩羯座", "水瓶座", "双鱼座", "白羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座",            "天蝎座", "射手座", "摩羯座" };    return day < DAYARR[month - 1] ? CONSTELLATIONARR[month - 1] : CONSTELLATIONARR[month];}/** *  * @Title: getYearDiff * @Description: 计算用户年龄 *  */public static Map<String, Object> getYearDiff(Map<String, Object> params, String paramName) {    if (!params.containsKey(paramName)) {        params.put("age", 18);    } else {        try {            DateTime dateTime = new DateTime(new Date());            Date date = Toolkit.formatDate(params.get(paramName).toString(), "yyyyMMdd");            DateTime startTime = new DateTime(date);            Interval interval = new Interval(startTime, dateTime);            Period period = interval.toPeriod();            int years = period.getYears();            years = years == 0 ? 18 : years;            // Years years = Years.yearsBetween(startTime, dateTime);            params.put("age", years);        } catch (ParseException e) {            e.printStackTrace();        }    }    return params;}public static ClubMotionValueDetail getTimeDiff(ClubMotionValueDetail params, String paramName) {    DateTime dateTime = new DateTime(new Date());    DateTime time = null;    try {        time = new DateTime(Toolkit.formatDate(params.getBeginTime(), Toolkit.dateTimePattern));    } catch (ParseException e) {        e.printStackTrace();    }    Interval interval = new Interval(time, dateTime);    Period period = interval.toPeriod();    int day = period.getDays();    int hour = period.getHours();    int minute = period.getMinutes();    // int days = Days.daysBetween(time, dateTime).getDays();    // int hours = Hours.hoursBetween(time, dateTime).getHours()%24;    // int minutes = Minutes.minutesBetween(time, dateTime).getMinutes()%60;    if (day != 0) {        if (day == 1) {            params.setBeginTime("昨天  " + time.toString("HH:mm", Locale.CHINESE));        } else {            return params;        }    } else if (day == 0 && hour != 0) {        params.setBeginTime(hour + "小时前");    } else {        params.setBeginTime(minute + "分钟前");    }    return params;}/** * @Title: getBirthDayStr * @Description: 根据日期获取中文的生日日期 *  * @param birthday *            生日格式可为（yyyy-MM-dd 或者 yyyy-MM-dd HH:mm:ss） * @return */public static String getBirthDayStr(String birthday) {    StringBuilder builder = new StringBuilder();    builder.append(birthday.substring(5, 7)).append("月");    builder.append(birthday.substring(8, 10)).append("日");    return builder.toString();}/** * @Title: getTimeDiffFromMap @Description: 用于达人计算登录时间差 @param @param * params @param @param date @param @param paramName @param @return * 设定文件 @return Map<String,Object> 返回类型 @throws */public static Map<String, Object> getTimeDiffFromMap(Map<String, Object> params, Date date, String paramName) {    DateTime dateTime = new DateTime(date);    DateTime time = new DateTime((Date) params.get(paramName));    Interval interval = new Interval(time, dateTime);    Period period = interval.toPeriod();    int day = period.getDays();    int hour = period.getHours();    int minute = period.getMinutes();    // Days days = Days.daysBetween(time, dateTime);    // Hours hours = Hours.hoursBetween(time, dateTime);    // Minutes minutes = Minutes.minutesBetween(time, dateTime);    if (day != 0) {        if (day > 7) {            params.replace(paramName, params.get(paramName));        } else {            params.replace(paramName, day + "天前");        }    } else if (day == 0 && hour != 0) {        params.replace(paramName, hour + "小时前");    } else {        params.replace(paramName, minute + "分钟前");    }    return params;}

}

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