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TimestampUtils.java
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89 lines (82 loc) · 2.1 KB
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package com.JUtils.date;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* TimeStamp工具类，提供TimeStamp与String、Date的转换
*
* @author chenssy
* @date 2016-09-24
* @since 1.0.0
*/
public class TimestampUtils {
/**
* String转换为TimeStamp
* @param value
* 待转换的String，格式必须为 yyyy-mm-dd hh:mm:ss[.f...] 这样的格式，中括号表示可选，否则报错
* @return java.sql.Timestamp
*
* @author chenssy
* @date 2016-09-24
* @since v1.0.0
*/
public static Timestamp string2Timestamp(String value){
if(value == null && !"".equals(value.trim())){
return null;
}
Timestamp ts = new Timestamp(System.currentTimeMillis());
ts = Timestamp.valueOf(value);
return ts;
}
/**
* 将Timestamp 转换为String类型，format为null则使用默认格式 yyyy-MM-dd HH:mm:ss
*
* @param value
* 待转换的Timestamp
* @param format
* String的格式
* @return java.lang.String
*
* @author chenssy
* @date 2016-09-24
* @since v1.0.0
*/
public static String timestamp2String(Timestamp value,String format){
if(null == value){
return "";
}
SimpleDateFormat sdf = DateFormatUtils.getFormat(format);
return sdf.format(value);
}
/**
* Date转换为Timestamp
*
* @param date
* 待转换的Date
* @return java.sql.Timestamp
*
* @author chenssy
* @date 2016-09-24
* @since v1.0.0
*/
public static Timestamp date2Timestamp(Date date){
if(date == null){
return null;
}
return new Timestamp(date.getTime());
}
/**
* Timestamp转换为Date
*
* @param time
* 待转换的Timestamp
* @return java.util.Date
*
* @author chenssy
* @date 2016-09-24
* @since v1.0.0
*/
public static Date timestamp2Date(Timestamp time){
return time == null ? null : time;
}
}