01.import java.sql.Timestamp;
02.import java.text.DateFormat;
03.import java.text.ParseException;
04.import java.text.SimpleDateFormat;
05.import java.util.Date;
06.
07.import org.apache.commons.logging.Log;
08.import org.apache.commons.logging.LogFactory;
09.
10./**
11. * @author zxw
12. *
13. */
14.public class DateUtil {
15. private static final Log log = LogFactory.getLog(DateUtil.class);
16.
17. /**
18. * 将时间字符串转换为Date类型
19. * @param dateStr
20. * @return Date
21. */
22. public static Date toDate(String dateStr) {
23. Date date = null;
24. SimpleDateFormat formater = new SimpleDateFormat();
25. formater.applyPattern("yyyy-MM-dd");
26. try {
27. date = formater.parse(dateStr);
28. } catch (ParseException e) {
29. e.printStackTrace();
30. }
31. return date;
32. }
33.
34. /**
35. * 按照提供的格式将字符串转换成Date类型
36. * @param dateStr
37. * @param formaterString
38. * @return
39. */
40. public static Date toDate(String dateStr, String formaterString) {
41. Date date = null;
42. SimpleDateFormat formater = new SimpleDateFormat();
43. formater.applyPattern(formaterString);
44. try {
45. date = formater.parse(dateStr);
46. } catch (ParseException e) {
47. e.printStackTrace();
48. }
49. return date;
50. }
51.
52. /**
53. * 将Date类型时间转换为字符串
54. * @param date
55. * @return
56. */
57. public static String toString(Date date) {
58.
59. String time;
60. SimpleDateFormat formater = new SimpleDateFormat();
61. formater.applyPattern("yyyy-MM-dd");
62. time = formater.format(date);
63. return time;
64. }
65.
66. /**
67. * 按照参数提供的格式将Date类型时间转换为字符串
68. * @param date
69. * @param formaterString
70. * @return
71. */
72. public static String toString(Date date, String formaterString) {
73. String time;
74. SimpleDateFormat formater = new SimpleDateFormat();
75. formater.applyPattern(formaterString);
76. time = formater.format(date);
77. return time;
78. }
79.
80. /**
81. * method 将字符串类型的日期转换为一个timestamp（时间戳记java.sql.Timestamp）
82. * @param dateString
83. * 需要转换为timestamp的字符串
84. * @return dataTime timestamp
85. */
86. public final static java.sql.Timestamp string2Time(String dateString)
87. throws java.text.ParseException {
88. DateFormat dateFormat;
89.// dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss.SSS",
90.// Locale.ENGLISH);// 设定格式
91. dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm");
92. dateFormat.setLenient(false);
93. java.util.Date timeDate = dateFormat.parse(dateString);// util类型
94. java.sql.Timestamp dateTime = new java.sql.Timestamp(timeDate.getTime());// Timestamp类型,timeDate.getTime()返回一个long型
95. return dateTime;
96. }
97.
98. /**
99. * method 将字符串类型的日期按照转换为一个timestamp（时间戳记java.sql.Timestamp）
100. *
101. * @param dateString 需要转换为timestamp的字符串
102. * @param formaterString dateString字符串的解析格式
103. * @return
104. * @throws java.text.ParseException
105. */
106. public final static java.sql.Timestamp string2Time(String dateString,
107. String formaterString) throws java.text.ParseException {
108. DateFormat dateFormat;
109. dateFormat = new SimpleDateFormat(formaterString);// 设定格式
110. // dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss");
111. dateFormat.setLenient(false);
112. java.util.Date timeDate = dateFormat.parse(dateString);// util类型
113. java.sql.Timestamp dateTime = new java.sql.Timestamp(timeDate.getTime());// Timestamp类型,timeDate.getTime()返回一个long型
114. return dateTime;
115. }
116.
117. public static void main(String[] args) throws ParseException {
118. String t = DateUtil.toString(new Date());
119. System.out.println(t);
120. Date date = DateUtil.toDate("2010-06-17");
121. System.out.println(date);
122.
123.// String sToTimestamp = "2005-8-18 14:21:12.123";// 用于转换成java.sql.Timestamp的字符串
124. String sToTimestamp = "2005-8-18 14:21";// 用于转换成java.sql.Timestamp的字符串
125. Timestamp Timestamp = string2Time(sToTimestamp);
126. System.out.println(Timestamp);
127.
128. }
129.
130.}
