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来自 , 2020-06-14, 写在 Java, 查看 169 次.
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/**
* 返回当前日期时间字符串<br>
* 默认格式:yyyy-mm-dd hh:mm:ss
*
* @return String 返回当前字符串型日期时间
*/
public
static
String
getCurrentTime
(
)
{
String
returnStr
=
null
;
SimpleDateFormat
f
=
new
SimpleDateFormat
(
"yyyy-MM-dd HH:mm:ss"
)
;
Date
date
=
new
Date
(
)
;
returnStr
=
f.
format
(
date
)
;
return
returnStr
;
}
/**
* 返回当前日期时间字符串<br>
* 默认格式:yyyymmddhhmmss
*
* @return String 返回当前字符串型日期时间
*/
public
static
BigDecimal
getCurrentTimeAsNumber
(
)
{
String
returnStr
=
null
;
SimpleDateFormat
f
=
new
SimpleDateFormat
(
"yyyyMMddHHmmss"
)
;
Date
date
=
new
Date
(
)
;
returnStr
=
f.
format
(
date
)
;
return
new
BigDecimal
(
returnStr
)
;
}
/**
* 返回自定义格式的当前日期时间字符串
*
* @param format
* 格式规则
* @return String 返回当前字符串型日期时间
*/
public
static
String
getCurrentTime
(
String
format
)
{
String
returnStr
=
null
;
SimpleDateFormat
f
=
new
SimpleDateFormat
(
format
)
;
Date
date
=
new
Date
(
)
;
returnStr
=
f.
format
(
date
)
;
return
returnStr
;
}
/**
* 返回当前字符串型日期
*
* @return String 返回的字符串型日期
*/
public
static
String
getCurDate
(
)
{
Calendar
calendar
=
Calendar
.
getInstance
(
)
;
SimpleDateFormat
simpledateformat
=
new
SimpleDateFormat
(
"yyyy-MM-dd"
)
;
String
strDate
=
simpledateformat.
format
(
calendar.
getTime
(
)
)
;
return
strDate
;
}
/**
* 返回指定格式的字符型日期
* @param date
* @param formatString
* @return
*/
public
static
String
Date2String
(
Date
date,
String
formatString
)
{
if
(
G4Utils.
isEmpty
(
date
)
)
{
return
null
;
}
SimpleDateFormat
simpledateformat
=
new
SimpleDateFormat
(
formatString
)
;
String
strDate
=
simpledateformat.
format
(
date
)
;
return
strDate
;
}
/**
* 返回当前字符串型日期
*
* @param format
* 格式规则
*
* @return String 返回的字符串型日期
*/
public
static
String
getCurDate
(
String
format
)
{
Calendar
calendar
=
Calendar
.
getInstance
(
)
;
SimpleDateFormat
simpledateformat
=
new
SimpleDateFormat
(
format
)
;
String
strDate
=
simpledateformat.
format
(
calendar.
getTime
(
)
)
;
return
strDate
;
}
/**
* 返回TimeStamp对象
*
* @return
*/
public
static
Timestamp
getCurrentTimestamp
(
)
{
Object
obj
=
TypeCaseHelper.
convert
(
getCurrentTime
(
)
,
"Timestamp"
,
"yyyy-MM-dd HH:mm:ss"
)
;
if
(
obj
!=
null
)
return
(
Timestamp
)
obj
;
else
return
null
;
}
/**
* 将字符串型日期转换为日期型
*
* @param strDate
* 字符串型日期
* @param srcDateFormat
* 源日期格式
* @param dstDateFormat
* 目标日期格式
* @return Date 返回的util.Date型日期
*/
public
static
Date
stringToDate
(
String
strDate,
String
srcDateFormat,
String
dstDateFormat
)
{
Date
rtDate
=
null
;
Date
tmpDate
=
(
new
SimpleDateFormat
(
srcDateFormat
)
)
.
parse
(
strDate,
new
ParsePosition
(
0
)
)
;
String
tmpString
=
null
;
if
(
tmpDate
!=
null
)
tmpString
=
(
new
SimpleDateFormat
(
dstDateFormat
)
)
.
format
(
tmpDate
)
;
if
(
tmpString
!=
null
)
rtDate
=
(
new
SimpleDateFormat
(
dstDateFormat
)
)
.
parse
(
tmpString,
new
ParsePosition
(
0
)
)
;
return
rtDate
;
}
//java/5982
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/** * 返回当前日期时间字符串
* 默认格式:yyyy-mm-dd hh:mm:ss * * @return String 返回当前字符串型日期时间 */ public static String getCurrentTime() { String returnStr = null; SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(); returnStr = f.format(date); return returnStr; } /** * 返回当前日期时间字符串
* 默认格式:yyyymmddhhmmss * * @return String 返回当前字符串型日期时间 */ public static BigDecimal getCurrentTimeAsNumber() { String returnStr = null; SimpleDateFormat f = new SimpleDateFormat("yyyyMMddHHmmss"); Date date = new Date(); returnStr = f.format(date); return new BigDecimal(returnStr); } /** * 返回自定义格式的当前日期时间字符串 * * @param format * 格式规则 * @return String 返回当前字符串型日期时间 */ public static String getCurrentTime(String format) { String returnStr = null; SimpleDateFormat f = new SimpleDateFormat(format); Date date = new Date(); returnStr = f.format(date); return returnStr; } /** * 返回当前字符串型日期 * * @return String 返回的字符串型日期 */ public static String getCurDate() { Calendar calendar = Calendar.getInstance(); SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyy-MM-dd"); String strDate = simpledateformat.format(calendar.getTime()); return strDate; } /** * 返回指定格式的字符型日期 * @param date * @param formatString * @return */ public static String Date2String(Date date, String formatString) { if (G4Utils.isEmpty(date)) { return null; } SimpleDateFormat simpledateformat = new SimpleDateFormat(formatString); String strDate = simpledateformat.format(date); return strDate; } /** * 返回当前字符串型日期 * * @param format * 格式规则 * * @return String 返回的字符串型日期 */ public static String getCurDate(String format) { Calendar calendar = Calendar.getInstance(); SimpleDateFormat simpledateformat = new SimpleDateFormat(format); String strDate = simpledateformat.format(calendar.getTime()); return strDate; } /** * 返回TimeStamp对象 * * @return */ public static Timestamp getCurrentTimestamp() { Object obj = TypeCaseHelper.convert(getCurrentTime(), "Timestamp", "yyyy-MM-dd HH:mm:ss"); if (obj != null) return (Timestamp) obj; else return null; } /** * 将字符串型日期转换为日期型 * * @param strDate * 字符串型日期 * @param srcDateFormat * 源日期格式 * @param dstDateFormat * 目标日期格式 * @return Date 返回的util.Date型日期 */ public static Date stringToDate(String strDate, String srcDateFormat, String dstDateFormat) { Date rtDate = null; Date tmpDate = (new SimpleDateFormat(srcDateFormat)).parse(strDate, new ParsePosition(0)); String tmpString = null; if (tmpDate != null) tmpString = (new SimpleDateFormat(dstDateFormat)).format(tmpDate); if (tmpString != null) rtDate = (new SimpleDateFormat(dstDateFormat)).parse(tmpString, new ParsePosition(0)); return rtDate; } //java/5982
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