1 public class DateUtil {
2
3 private String year;
4 private String month;
5 private String day;
6
7 /**
8 * 月份字符串最小值
9 */
10 public static final String MONTH_MIN = "01";
11 /**
12 * 月份字符串最大值
13 */
14 public static final String MONTH_MAX = "12";
15
16 /**
17 * 天数字符串最小值
18 */
19 public static final String DAY_MIN = "01";
20 /**
21 * 天数字符串最大值
22 */
23 public static final String DAY_MAX = "31";
24
25 public DateUtil() {
26 String dateTime = DateTime.getNowDateTime();
27 this.year = dateTime.substring(0, 4);
28 this.month = dateTime.substring(5, 7);
29 this.day = dateTime.substring(8, 10);
30 }
31
32 public int getCurYearMin() {
33 return Integer.parseInt(this.year + MONTH_MIN + DAY_MIN);
34 }
35
36 public int getCurYearMax() {
37 return Integer.parseInt(this.year + MONTH_MAX + DAY_MAX);
38 }
39
40 public int getCurMonthMin() {
41 return Integer.parseInt(this.year + this.month + DAY_MIN);
42 }
43
44 public int getCurMonthMax() {
45 return Integer.parseInt(this.year + this.month + DAY_MAX);
46 }
47
48 public int getCurDay() {
49 return Integer.parseInt(this.year + this.month + this.day);
50 }
51
52 /**
53 * 获取本年到本月的所有月份
54 * @return new String[]{"2010-01", "2010-02", "2010-03"}
55 */
56 public String[] months(){
57 int m = Integer.parseInt(month);
58 String res[] =new String[m];
59 for(int i=1; i<=m; i++){
60 if(i<10) {
61 res[i-1] = year + "-0" + i;
62 } else {
63 res[i-1] = year + "-" + i;
64 }
65 }
66 return res;
67
68 }
69
70 /**
71 * 12个月
72 * @param year
73 * @return if null return 最近12个月, else return 年12个月
74 */
75 public String[] months(String year){
76 if(null == year){
77 return months12();
78 }return months12(Integer.parseInt(year));
79
80 }
81 public String[] months(String begin, String end){
82 DateFormat df = new SimpleDateFormat("yyyy-MM");
83 ArrayList l = new ArrayList();
84 try {
85 Date db = df.parse(begin);
86 Calendar cb = new GregorianCalendar();
87 cb.setTime(db);
88 Date de = df.parse(end);
89 Calendar ce = new GregorianCalendar();
90 ce.setTime(de);
91 l.add(df.format(cb.getTime()));
92 while(cb.before(ce)){
93 cb.add(Calendar.MONTH, 1);
94 l.add(df.format(cb.getTime()));
95 }
96 } catch (ParseException e) {
97 e.printStackTrace();
98 }
99 int m = l.size();
100 String res[] =new String[m];
101 for(int i=0; i<m; i++){
102 res[i] = (String) l.get(i);
103 }
104 return res;
105
106 }
107 /**
108 * 获取当前月的开始时间
109 * @return 2011-01-01 00:00:00
110 */
111 public String getCurrentMonthBegin(){
112 return date(null, 0, 0, 0, 0, 0, 0);
113 }
114
115 /**
116 * 获取当前月的结束时间
117 * @return 2011-01-31 23:59:59
118 */
119 public String getCurrentMonthEnd(){
120 return date(null, 0, 1, 0, 0, 0, -1);
121 }
122
123 /**
124 * 获取前一个月的开始时间
125 * @return 2010-12-01 00:00:00
126 */
127 public String getPreviousMonthBegin(){
128 return date(null, 0, -1, 0, 0, 0, 0);
129 }
130
131 /**
132 * 获取前一个月的结束时间
133 * @return 2010-12-31 23:59:59
134 */
135 public String getPreviousMonthEnd(){
136 return date(null, 0, 0, 0, 0, 0, -1);
137 }
138
139 /**
140 * 获取当前季度的开始时间
141 * @return 2011-01-01 00:00:00
142 */
143 public String getCurrentSeasonBegin() {
144 return getSeason(0);
145 }
146
147 /**
148 * 获取当前季度的结束时间
149 * @return 2011-03-31 23:59:59
150 */
151 public String getCurrentSeasonEnd() {
152 return getSeason(1);
153 }
154
155 /**
156 * 当前季度的时间
157 * @param m 0：当前季度的开始时间 1：当前季度的结束时间
158 * @return
159 */
160 private String getSeason(int m) {
161 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
162 Date d = new Date();
163 Calendar c = Calendar.getInstance();
164 c.setTime(d);
165 int month = ((c.get(Calendar.MONTH) / 3) + m) * 3;
166 c.set(c.get(Calendar.YEAR), month, 1, 0, 0, -m);
167 return df.format(c.getTime());
168 }
169
170 /**
171 * 获取当前年的开始时间
172 * @return 2011-01-01 00:00:00
173 */
174 public String getCurrentYearBegin(){
175 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
176 Date date = new Date();
177 Calendar c = Calendar.getInstance();
178 c.setTime(date);
179 c.set(c.get(Calendar.YEAR), 0, 1, 0, 0, 0);
180 return df.format(c.getTime());
181 }
182
183 /**
184 * 获取当前时间
185 * @return 2011-01-05 13:49:59
186 */
187 public String getCurrentYearEnd(){
188 return DateTime.getNowDateTime();
189 }
190
191 /**
192 * 昨天的开始时间
193 * @return 2010-12-01 00:00:00
194 */
195 public String getYesterdayBegin(){
196 return dateday(null, 0, 0, -1, 0, 0, 0);
197 }
198
199 /**
200 * 昨天的结束时间
201 * @return 2010-12-31 23:59:59
202 */
203 public String getYesterdayEnd(){
204 return dateday(null, 0, 0, 0, 0, 0, -1);
205 }
206
207 /**
208 * 今天的开始时间
209 * @return 2010-12-01 00:00:00
210 */
211 public String getTodayBegin(){
212 return dateday(null, 0, 0, 0, 0, 0, 0);
213 }
214
215 /**
216 * 今天的结束时间
217 * @return 2010-12-31 23:59:59
218 */
219 public String getTodayEnd(){
220 return dateday(null, 0, 0, 1, 0, 0, -1);
221 }
222
223 /**
224 * 本周的开始时间
225 * @return 2010-12-01 00:00:00
226 */
227 public String getWeekBegin(){
228 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
229 Date date = new Date();
230 Calendar c = Calendar.getInstance();
231 c.setTime(date);
232 c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
233 c.add(Calendar.DAY_OF_MONTH, 1-c.get(Calendar.DAY_OF_WEEK));
234 return df.format(c.getTime());
235
236 }
237
238 /**
239 * 本周结束时间
240 * @return 2010-12-31 23:59:59
241 */
242 public String getWeekEnd(){
243 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
244 Date date = new Date();
245 Calendar c = Calendar.getInstance();
246 c.setTime(date);
247 c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
248 c.add(Calendar.DAY_OF_MONTH, 1-c.get(Calendar.DAY_OF_WEEK));
249 c.add(Calendar.WEEK_OF_MONTH, 1);
250 c.add(Calendar.SECOND, -1);
251 return df.format(c.getTime());
252 }
253
254 /**
255 * 某个时间的变化
256 * @param date 日期时间
257 * @param year 年
258 * @param month 月
259 * @param day 天
260 * @param hour 时
261 * @param minute 分
262 * @param second 秒
263 * @return 2011-01-01 00:00:00 or 2011-01-31 23:59:59
264 */
265 public String date(Date date, int year, int month, int day, int hour, int minute, int second){
266 // DateFormat df = new SimpleDateFormat("yyyyMMdd");
267 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
268 if(date == null){
269 date = new Date();
270 }
271 Calendar c = Calendar.getInstance();
272 c.setTime(date);
273 c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), 1, 0, 0, 0);
274 c.add(Calendar.YEAR, year);
275 c.add(Calendar.MONTH, month);
276 c.add(Calendar.DAY_OF_MONTH, day);
277 c.add(Calendar.HOUR_OF_DAY, hour);
278 c.add(Calendar.MINUTE, minute);
279 c.add(Calendar.SECOND, second);
280 return df.format(c.getTime());
281 }
282 /**
283 * 某个时间的变化
284 * @param date 日期时间
285 * @param year 年
286 * @param month 月
287 * @param day 天
288 * @param hour 时
289 * @param minute 分
290 * @param second 秒
291 * @return 2011-01-01 00:00:00 or 2011-01-31 23:59:59
292 */
293 private String dateday(Date date, int year, int month, int day, int hour, int minute, int second){
294 // DateFormat df = new SimpleDateFormat("yyyyMMdd");
295 DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
296 if(date == null){
297 date = new Date();
298 }
299 Calendar c = Calendar.getInstance();
300 c.setTime(date);
301 c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
302 c.add(Calendar.YEAR, year);
303 c.add(Calendar.MONTH, month);
304 c.add(Calendar.DAY_OF_MONTH, day);
305 c.add(Calendar.HOUR_OF_DAY, hour);
306 c.add(Calendar.MINUTE, minute);
307 c.add(Calendar.SECOND, second);
308 return df.format(c.getTime());
309 }
310
311 /**
312 * 两个日期之间的全部日期数值数组
313 * @param begin
314 * @param end
315 * @return{2010-10-10, 2010-10-11, 2010-10-12, ,...,2011-01-11}
316 */
317 public String[] dates(String begin ,String end){
318 DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
319 String[] arr = new String[]{""};
320 try {
321 Date db = df.parse(begin);
322 Calendar cb = Calendar.getInstance();
323 cb.setTime(db);
324 Date de = df.parse(end);
325 Calendar ce = Calendar.getInstance();
326 ce.setTime(de);
327 long lday = (ce.getTimeInMillis() - cb.getTimeInMillis()) / (1000 * 60 * 60 * 24);
328 int lg = Long.valueOf(lday).intValue();
329 arr = new String[lg + 1];
330 arr[0] = df.format(cb.getTime());
331 for(int i=0; i < lg; i++){
332 cb.add(Calendar.DAY_OF_YEAR, 1);
333 arr[i + 1] = df.format(cb.getTime());
334 }
335 } catch (ParseException e) {
336 e.printStackTrace();
337 }
338 return arr;
339
340 }
341
342 /**
343 * 最近12个月
344 * @param begin
345 * @param end
346 * @return {2010-02, 2010-03, 2010-04,..,2011-01}
347 */
348 public String[] months12(){
349 DateFormat df = new SimpleDateFormat("yyyy-MM");
350 String[] arr = new String[12];
351 Date d = new Date();
352 Calendar cb = Calendar.getInstance();
353 cb.setTime(d);
354 cb.add(Calendar.MONTH, -12);
355 for(int i=0; i < 12; i++){
356 cb.add(Calendar.MONTH, 1);
357 arr[i] = df.format(cb.getTime());
358 }
359 return arr;
360 }
361 /**
362 * 某年的12个月
363 * @param begin
364 * @param end
365 * @return {2010-01, 2010-02, 2010-03, 2010-04,..,2010-12}
366 */
367 public String[] months12(int year){
368 DateFormat df = new SimpleDateFormat("yyyy-MM");
369 String[] arr = new String[12];
370 Calendar cb = Calendar.getInstance();
371 if(year == cb.get(Calendar.YEAR)){
372 return months();
373 }
374 cb.set(year, -1, 1);
375 for(int i=0; i < 12; i++){
376 cb.add(Calendar.MONTH, 1);
377 arr[i] = df.format(cb.getTime());
378 }
379 return arr;
380 }
381
382 /**
383 * 从当前年到2008年
384 * @param begin
385 * @param end
386 * @return {2011, 2010, 2009, 2008}
387 */
388 public String[] years(){
389 DateFormat df = new SimpleDateFormat("yyyy");
390
391 Date d = new Date();
392 Calendar cb = Calendar.getInstance();
393 int cy = cb.get(Calendar.YEAR);
394 cb.set(Calendar.YEAR, 2007);
395 cy = cy - cb.get(Calendar.YEAR);
396 cb.setTime(d);
397 cb.add(Calendar.YEAR, 1);
398 String[] arr = new String[cy];
399 for(int i=0; i < cy; i++){
400 cb.add(Calendar.YEAR, -1);
401 arr[i] = df.format(cb.getTime());
402 }
403 return arr;
404 }
405 /**
406 * 获得当前的时间的前第十二个月
407 * @return
408 */
409 public String get12thMonth(){
410 DateFormat df = new SimpleDateFormat("yyyy-MM");
411 Date d = new Date();
412 GregorianCalendar cb = new GregorianCalendar();
413 cb.setTime(d);
414 cb.add(Calendar.MONTH, -11);
415 return df.format(cb.getTime());
416 }
417
418 /**
419 * 获得当前年月
420 * @return
421 */
422 public String getCurrentMonth(){
423 DateFormat df = new SimpleDateFormat("yyyy-MM");
424 GregorianCalendar cd = new GregorianCalendar();
425 return df.format(cd.getTime());
426 }
427428}
public class DateUtil {
private String year;private String month;private String day;
/** * 月份字符串最小值 */public static final String MONTH_MIN = "01";/** * 月份字符串最大值 */public static final String MONTH_MAX = "12";
/** * 天数字符串最小值 */public static final String DAY_MIN = "01";/** * 天数字符串最大值 */public static final String DAY_MAX = "31";
public DateUtil() {String dateTime = DateTime.getNowDateTime();this.year = dateTime.substring(0, 4);this.month = dateTime.substring(5, 7);this.day = dateTime.substring(8, 10);}
public int getCurYearMin() {return Integer.parseInt(this.year + MONTH_MIN + DAY_MIN);}
public int getCurYearMax() {return Integer.parseInt(this.year + MONTH_MAX + DAY_MAX);}
public int getCurMonthMin() {return Integer.parseInt(this.year + this.month + DAY_MIN);}
public int getCurMonthMax() {return Integer.parseInt(this.year + this.month + DAY_MAX);}
public int getCurDay() {return Integer.parseInt(this.year + this.month + this.day);}
/** * 获取本年到本月的所有月份 * @return new String[]{"2010-01", "2010-02", "2010-03"} */public String[] months(){int m = Integer.parseInt(month);String res[] =new String[m];for(int i=1; i<=m; i++){if(i<10) {res[i-1] = year + "-0" + i;} else {res[i-1] = year + "-" + i;}}return res;
}/** * 12个月 * @param year * @return if null return 最近12个月, else return 年12个月 */public String[] months(String year){if(null == year){return months12();}return months12(Integer.parseInt(year));}public String[] months(String begin, String end){DateFormat df = new SimpleDateFormat("yyyy-MM");ArrayList l = new ArrayList();try {Date db = df.parse(begin);Calendar cb = new GregorianCalendar();cb.setTime(db);Date de = df.parse(end);Calendar ce = new GregorianCalendar();ce.setTime(de);l.add(df.format(cb.getTime()));while(cb.before(ce)){cb.add(Calendar.MONTH, 1);l.add(df.format(cb.getTime()));}} catch (ParseException e) {e.printStackTrace();}int m = l.size();String res[] =new String[m];for(int i=0; i<m; i++){res[i] = (String) l.get(i); }return res;}/** * 获取当前月的开始时间 * @return 2011-01-01 00:00:00 */public String getCurrentMonthBegin(){return date(null, 0, 0, 0, 0, 0, 0);}
/** * 获取当前月的结束时间 * @return 2011-01-31 23:59:59 */public String getCurrentMonthEnd(){return date(null, 0, 1, 0, 0, 0, -1);}/** * 获取前一个月的开始时间 * @return 2010-12-01 00:00:00 */public String getPreviousMonthBegin(){return date(null, 0, -1, 0, 0, 0, 0);}
/** * 获取前一个月的结束时间 * @return 2010-12-31 23:59:59 */public String getPreviousMonthEnd(){return date(null, 0, 0, 0, 0, 0, -1);}
/** * 获取当前季度的开始时间 * @return 2011-01-01 00:00:00 */public String getCurrentSeasonBegin() {return getSeason(0);}
/** * 获取当前季度的结束时间 * @return 2011-03-31 23:59:59 */public String getCurrentSeasonEnd() {return getSeason(1);}
/** * 当前季度的时间 * @param m 0：当前季度的开始时间 1：当前季度的结束时间 * @return */private String getSeason(int m) {DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date d = new Date();Calendar c = Calendar.getInstance();c.setTime(d);int month = ((c.get(Calendar.MONTH) / 3) + m) * 3;c.set(c.get(Calendar.YEAR), month, 1, 0, 0, -m);return df.format(c.getTime());}/** * 获取当前年的开始时间 * @return 2011-01-01 00:00:00 */public String getCurrentYearBegin(){DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = new Date();Calendar c = Calendar.getInstance();c.setTime(date);c.set(c.get(Calendar.YEAR), 0, 1, 0, 0, 0);return df.format(c.getTime());}
/** * 获取当前时间 * @return 2011-01-05 13:49:59 */public String getCurrentYearEnd(){return DateTime.getNowDateTime();}
/** * 昨天的开始时间 * @return 2010-12-01 00:00:00 */public String getYesterdayBegin(){return dateday(null, 0, 0, -1, 0, 0, 0);}
/** * 昨天的结束时间 * @return 2010-12-31 23:59:59 */public String getYesterdayEnd(){return dateday(null, 0, 0, 0, 0, 0, -1);}
/** * 今天的开始时间 * @return 2010-12-01 00:00:00 */public String getTodayBegin(){return dateday(null, 0, 0, 0, 0, 0, 0);}
/** * 今天的结束时间 * @return 2010-12-31 23:59:59 */public String getTodayEnd(){return dateday(null, 0, 0, 1, 0, 0, -1);}
/** * 本周的开始时间 * @return 2010-12-01 00:00:00 */public String getWeekBegin(){DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = new Date();Calendar c = Calendar.getInstance();c.setTime(date);c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);c.add(Calendar.DAY_OF_MONTH, 1-c.get(Calendar.DAY_OF_WEEK));return df.format(c.getTime());}
/** * 本周结束时间 * @return 2010-12-31 23:59:59 */public String getWeekEnd(){DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = new Date();Calendar c = Calendar.getInstance();c.setTime(date);c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);c.add(Calendar.DAY_OF_MONTH, 1-c.get(Calendar.DAY_OF_WEEK));c.add(Calendar.WEEK_OF_MONTH, 1);c.add(Calendar.SECOND, -1);return df.format(c.getTime());}
/** * 某个时间的变化 * @param date 日期时间 * @param year 年 * @param month 月 * @param day 天 * @param hour 时 * @param minute 分 * @param second 秒 * @return 2011-01-01 00:00:00 or 2011-01-31 23:59:59 */public String date(Date date, int year, int month, int day, int hour, int minute, int second){//DateFormat df = new SimpleDateFormat("yyyyMMdd");DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");if(date == null){date = new Date();}Calendar c = Calendar.getInstance();c.setTime(date);c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), 1, 0, 0, 0);c.add(Calendar.YEAR, year);c.add(Calendar.MONTH, month);c.add(Calendar.DAY_OF_MONTH, day);c.add(Calendar.HOUR_OF_DAY, hour);c.add(Calendar.MINUTE, minute);c.add(Calendar.SECOND, second);return df.format(c.getTime());}/** * 某个时间的变化 * @param date 日期时间 * @param year 年 * @param month 月 * @param day 天 * @param hour 时 * @param minute 分 * @param second 秒 * @return 2011-01-01 00:00:00 or 2011-01-31 23:59:59 */private String dateday(Date date, int year, int month, int day, int hour, int minute, int second){//DateFormat df = new SimpleDateFormat("yyyyMMdd");DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");if(date == null){date = new Date();}Calendar c = Calendar.getInstance();c.setTime(date);c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), 0, 0, 0);c.add(Calendar.YEAR, year);c.add(Calendar.MONTH, month);c.add(Calendar.DAY_OF_MONTH, day);c.add(Calendar.HOUR_OF_DAY, hour);c.add(Calendar.MINUTE, minute);c.add(Calendar.SECOND, second);return df.format(c.getTime());}/** * 两个日期之间的全部日期数值数组 * @param begin * @param end * @return{2010-10-10, 2010-10-11, 2010-10-12, ,...,2011-01-11} */public String[] dates(String begin ,String end){DateFormat df = new SimpleDateFormat("yyyy-MM-dd");String[] arr = new String[]{""};try {Date db = df.parse(begin);Calendar cb = Calendar.getInstance();cb.setTime(db);Date de = df.parse(end);Calendar ce = Calendar.getInstance();ce.setTime(de);long lday = (ce.getTimeInMillis() - cb.getTimeInMillis()) / (1000 * 60 * 60 * 24);int lg = Long.valueOf(lday).intValue();arr = new String[lg + 1];arr[0] = df.format(cb.getTime());for(int i=0; i < lg; i++){cb.add(Calendar.DAY_OF_YEAR, 1);arr[i + 1] = df.format(cb.getTime());}} catch (ParseException e) {e.printStackTrace();}return arr;}/** * 最近12个月 * @param begin * @param end * @return {2010-02, 2010-03, 2010-04,..,2011-01} */public String[] months12(){DateFormat df = new SimpleDateFormat("yyyy-MM");String[] arr = new String[12];Date d = new Date();Calendar cb = Calendar.getInstance();cb.setTime(d);cb.add(Calendar.MONTH, -12);for(int i=0; i < 12; i++){cb.add(Calendar.MONTH, 1);arr[i] = df.format(cb.getTime());}return arr;}/** * 某年的12个月 * @param begin * @param end * @return {2010-01, 2010-02, 2010-03, 2010-04,..,2010-12} */public String[] months12(int year){DateFormat df = new SimpleDateFormat("yyyy-MM");String[] arr = new String[12];Calendar cb = Calendar.getInstance();if(year == cb.get(Calendar.YEAR)){return months();}cb.set(year, -1, 1);for(int i=0; i < 12; i++){cb.add(Calendar.MONTH, 1);arr[i] = df.format(cb.getTime());}return arr;}/** * 从当前年到2008年 * @param begin * @param end * @return {2011, 2010, 2009, 2008} */public String[] years(){DateFormat df = new SimpleDateFormat("yyyy");Date d = new Date();Calendar cb = Calendar.getInstance();int cy = cb.get(Calendar.YEAR);cb.set(Calendar.YEAR, 2007);cy = cy - cb.get(Calendar.YEAR);cb.setTime(d);cb.add(Calendar.YEAR, 1);String[] arr = new String[cy];for(int i=0; i < cy; i++){cb.add(Calendar.YEAR, -1);arr[i] = df.format(cb.getTime());}return arr;}/** * 获得当前的时间的前第十二个月 * @return */public String get12thMonth(){ DateFormat df = new SimpleDateFormat("yyyy-MM");Date d = new Date();GregorianCalendar cb = new GregorianCalendar();cb.setTime(d);cb.add(Calendar.MONTH, -11);return df.format(cb.getTime());} /** * 获得当前年月 * @return */ public String getCurrentMonth(){ DateFormat df = new SimpleDateFormat("yyyy-MM");GregorianCalendar cd = new GregorianCalendar();return df.format(cd.getTime());}
/** * @param args */public static void main(String[] args) {DateUtil du = new DateUtil();if(10 > 2){System.out.println(du.getCurrentYearEnd());System.out.println(du.getWeekBegin());System.out.println(du.getWeekEnd());}else{System.out.println(du.getCurYearMin() + "~" + du.getCurYearMax());
System.out.println(du.getCurMonthMin() + "~" + du.getCurMonthMax());
System.out.println(du.getCurDay());
System.out.println(du.getPreviousMonthBegin());System.out.println(du.getPreviousMonthEnd());
System.out.println(du.getCurrentSeasonBegin());System.out.println(du.getCurrentSeasonEnd());int m = 0;int t = -3;Date d = new Date();Calendar c = Calendar.getInstance();c.setTime(d);int month = (((c.get(Calendar.MONTH) + t) / 3) + m) * 3;System.out.println(month);
String[] arr = du.dates("2010-10-10", "2011-01-11");int lg = arr.length;for(int i=0; i < lg; i++){System.out.println(arr[i]);}arr = du.months12();lg = arr.length;for(int i=0; i < lg; i++){System.out.println(arr[i]);}
arr = du.years();lg = arr.length;for(int i=0; i < lg; i++){System.out.println(arr[i]);}arr = du.months12(2011);lg = arr.length;for(int i=0; i < lg; i++){System.out.println(arr[i]);}System.out.println(" -- - -");arr = du.months("2010-10-10", "2011-01-11");lg = arr.length;for(int i=0; i < lg; i++){System.out.println(arr[i]);}
System.out.println(du.getTodayBegin());System.out.println(du.getTodayEnd());System.out.println(" -- - ");System.out.println(du.getYesterdayBegin());System.out.println(du.getYesterdayEnd());System.out.println(" -- - ");System.out.println(du.getWeekBegin());System.out.println(du.getWeekEnd());
}}}