1:
2: // 创建日期: 2008-04-23
3: // 说 明: 日期,时间处理相关的类,大多转换为字符串。
4: using System;
5: using System.Collections.Generic;
6: using System.Text;
7:
8: namespace AnkeEdu.Tools
9: {
10: /// <summary>
11: /// 日期,时间处理
12: /// </summary>
13: public static class TimeHelper
14: {
15: /// <summary>
16: /// 返回当前时间的字符串表示 yyyy-MM-dd HH:mm:ss
17: /// </summary>
18: /// <returns>当前时间的字符串表示 yyyy-MM-dd HH:mm:ss</returns>
19: public static string GetNowStr()
20: {
21: return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
22: }
23:
24: #region GetTimeFlag 根据时间标记返回时间字符表示形式(一天分为48段,0-47)
25: /// <summary>
26: /// 获到时间标记
27: /// </summary>
28: /// <param name="flag">时间标记对象</param>
29: /// <returns>返回时间字符表示</returns>
30: public static string GetTimeFlag(object flag)
31: {
32: if (flag == null) return "";
33: int nflag = Convert.ToInt32(flag.ToString());
34: return GetTimeFlag(nflag);
35: }
36: /// <summary>
37: /// 根据时间标记返回时间字符表示形式
38: /// 一天分为48段
39: /// 0:00-0:30 为0
40: /// </summary>
41: /// <param name="flag">时间标记</param>
42: /// <returns>返回标记后的时间字符串</returns>
43: public static string GetTimeFlag(int flag)
44: {
45: int hh = flag / 2;
46: int mm = ((flag % 2) != 0) ? 30 : 0;
47: DateTime d = new DateTime(1, 1, 1, hh, mm, 0);
48:
49: return d.ToString("HH:mm-") + d.AddMinutes(30).ToString("HH:mm");
50: }
51: #endregion
52: #region GetTimeFlagStartTime 根据时间标记返回时间段开始时间表示形式(一天分为48段,0-47)
53: /// <summary>
54: /// 根据时间标记返回时间段开始时间表示形式
55: /// 一天分为48段
56: /// 0:00-0:30 为0
57: /// </summary>
58: /// <param name="flag">时间标记</param>
59: /// <returns>返回标记后的时间</returns>
60: public static DateTime GetTimeFlagStartTime(int flag)
61: {
62: int hh = flag / 2;
63: int mm = ((flag % 2) != 0) ? 30 : 0;
64: DateTime d = new DateTime(1, 1, 1, hh, mm, 0);
65: return d;
66: }
67: #endregion
68:
69: #region GetCnDate 格式化日期为 yyyy-MM-dd 星期一
70: /// <summary>
71: /// 获取中午日期名 格式化日期为 yyyy-MM-dd 星期一
72: /// </summary>
73: /// <param name="dt">日期</param>
74: /// <returns>格式化的中午日期</returns>
75: public static string GetCnDate(DateTime dt)
76: {
77: return dt.ToString("yyyy-MM-dd") + " " + GetCnWeek(dt);
78: }
79: #endregion
80: #region GetMonthStr 转换月份为英文格式
81: /// <summary>
82: /// 转换月份为英文格式
83: /// </summary>
84: /// <param name="month">月份</param>
85: /// <returns>英文月份</returns>
86: public static string GetMonthStr(int month)
87: {
88: switch (month)
89: {
90: case 1: return "January";
91: case 2: return "February";
92: case 3: return "March";
93: case 4: return "April";
94: case 5: return "May";
95: case 6: return "June";
96: case 7: return "July";
97: case 8: return "August";
98: case 9: return "September";
99: case 10: return "October";
100: case 11: return "November";
101: case 12: return "December";
102: default: return "January";
103: }
104:
105: }
106: #endregion
107: #region FormatDate 格式化日期为yyyy-MM-dd
108: /// <summary>
109: /// 格式化日期为2006-12-22
110: /// </summary>
111: /// <param name="dTime">日期</param>
112: /// <returns>返回格式化后的日期字符串</returns>
113: public static string FormatDate(DateTime? dTime)
114: {
115: string rStr;
116: rStr = dTime.Value.Year + "-" + dTime.Value.Month + "-" + dTime.Value.Day;
117: return rStr;
118: }
119: /// <summary>
120: /// 格式化日期为2006-12-22
121: /// </summary>
122: /// <param name="dTime">日期</param>
123: /// <returns>返回格式化后的日期字符串</returns>
124: public static string FormatDateYMD(DateTime? dTime)
125: {
126: if (dTime == null) return "1970-01-01";
127:
128: return dTime.Value.ToString("yyyy-MM-dd");
129: }
130: #endregion
131: #region GetCnWeek 获取中文星期名
132: /// <summary>
133: /// 获取中文星期名
134: /// </summary>
135: /// <param name="d">传入的整数</param>
136: /// <returns>返回中文星期名</returns>
137: public static string GetCnWeek(int d)
138: {
139: string rStr = "";
140: switch (d)
141: {
142: case 7:
143: rStr = "星期日";
144: break;
145: case 1:
146: rStr = "星期一";
147: break;
148: case 2:
149: rStr = "星期二";
150: break;
151: case 3:
152: rStr = "星期三";
153: break;
154: case 4:
155: rStr = "星期四";
156: break;
157: case 5:
158: rStr = "星期五";
159: break;
160: case 6:
161: rStr = "星期六";
162: break;
163: }
164: return rStr;
165: }
166: #endregion
167: #region GetCnWeek 获取中文星期名
168: /// <summary>
169: /// 获取中文星期名
170: /// </summary>
171: /// <param name="sDate">日期</param>
172: /// <returns>返回对应的中文星期名</returns>
173: public static string GetCnWeek(DateTime sDate)
174: {
175: string rStr = "";
176: switch (sDate.DayOfWeek)
177: {
178: case DayOfWeek.Sunday:
179: rStr = "星期日";
180: break;
181: case DayOfWeek.Monday:
182: rStr = "星期一";
183: break;
184: case DayOfWeek.Tuesday:
185: rStr = "星期二";
186: break;
187: case DayOfWeek.Wednesday:
188: rStr = "星期三";
189: break;
190: case DayOfWeek.Thursday:
191: rStr = "星期四";
192: break;
193: case DayOfWeek.Friday:
194: rStr = "星期五";
195: break;
196: case DayOfWeek.Saturday:
197: rStr = "星期六";
198: break;
199: }
200: return rStr;
201: }
202: #endregion
203: #region GetEngWeek 获取英文星期名
204: /// <summary>
205: /// 获取英文星期名
206: /// </summary>
207: /// <param name="sDate">日期</param>
208: /// <returns>返回星期名</returns>
209: public static string GetEngWeek(DateTime sDate)
210: {
211: string rStr = "";
212: switch (sDate.DayOfWeek)
213: {
214: case DayOfWeek.Sunday:
215: rStr = "Sunday";
216: break;
217: case DayOfWeek.Monday:
218: rStr = "Monday";
219: break;
220: case DayOfWeek.Tuesday:
221: rStr = "Tuesday";
222: break;
223: case DayOfWeek.Wednesday:
224: rStr = "Wednesday";
225: break;
226: case DayOfWeek.Thursday:
227: rStr = "Thursday";
228: break;
229: case DayOfWeek.Friday:
230: rStr = "Friday";
231: break;
232: case DayOfWeek.Saturday:
233: rStr = "Saturday";
234: break;
235: }
236: return rStr;
237: }
238: #endregion
239: #region GetCnWeek 获取DayOfWeek
240: /// <summary>
241: /// 获取DayOfWeek
242: /// </summary>
243: /// <param name="sDate">日期</param>
244: /// <returns>返回星期名称对应的整数</returns>
245: public static int GetDayOfWeek(DateTime sDate)
246: {
247: int dayOfWeek = 0;
248: switch (sDate.DayOfWeek)
249: {
250: case DayOfWeek.Sunday:
251: dayOfWeek = 0;
252: break;
253: case DayOfWeek.Monday:
254: dayOfWeek = 1;
255: break;
256: case DayOfWeek.Tuesday:
257: dayOfWeek = 2;
258: break;
259: case DayOfWeek.Wednesday:
260: dayOfWeek = 3;
261: break;
262: case DayOfWeek.Thursday:
263: dayOfWeek = 4;
264: break;
265: case DayOfWeek.Friday:
266: dayOfWeek = 5;
267: break;
268: case DayOfWeek.Saturday:
269: dayOfWeek = 6;
270: break;
271: }
272: return dayOfWeek;
273: }
274: #endregion
275: #region GetDataTimeStr 获取字符串格式的日期时间 yyyy-MM-dd HH:mm:ss
276: /// <summary>
277: /// 获取字符串格式的日期时间 yyyy-MM-dd HH:mm:ss
278: /// </summary>
279: /// <param name="dateTime">要格式的时间</param>
280: /// <returns>返回格式化后的时间字符串</returns>
281: public static string GetDataTimeStr(DateTime dateTime)
282: {
283: return dateTime.ToString("yyyy-MM-dd HH:mm:ss");
284: }
285: #endregion
286: #region GetDataStr 获取字符串格式的日期 yyyy-MM-dd
287: /// <summary>
288: /// 获取字符串格式的日期 yyyy-MM-dd
289: /// </summary>
290: /// <param name="dateTime">要格式的日期</param>
291: /// <returns>返回格式化后的时间字符串</returns>
292: public static string GetDataStr(DateTime dateTime)
293: {
294: return dateTime.ToString("yyyy-MM-dd");
295: }
296: #endregion
297: #region GetDateFormString 从一个字符串类型配合日期模板获取表示的日期
298: /// <summary>
299: /// 系统空值时间
300: /// </summary>
301: static public readonly DateTime SYS_NULL_TIME = new DateTime(1000, 1, 1);
302: /// <summary>
303: /// 从一个字符串类型配合日期模板获取表示的日期
304: /// </summary>
305: /// <param name="strDate">字符串表示的日期</param>
306: /// <param name="dateFormat">日期格式</param>
307: /// <returns>返回的日期(如果异常返回默认值)</returns>
308: public static DateTime GetDateFormString(string strDate, string dateFormat)
309: {
310: if (string.IsNullOrEmpty(strDate))
311: {
312: return SYS_NULL_TIME;
313: }
314:
315: try
316: {
317: int year = GetDateIntFormString(dateFormat, strDate, ‘y‘);
318: int month = GetDateIntFormString(dateFormat, strDate, ‘M‘);
319: int day = GetDateIntFormString(dateFormat, strDate, ‘d‘);
320:
321: return new DateTime(year, month, day);
322: }
323: catch
324: {
325: return new DateTime();
326: }
327: }
328: /// <summary>
329: /// 从日期中获取日期
330: /// </summary>
331: /// <param name="dateForamt">时间格式</param>
332: /// <param name="dateStr">字符串日期</param>
333: /// <param name="ch">字符串类型:‘y’,‘m‘,‘d‘</param>
334: /// <returns>返回格式化后的整数</returns>
335: private static int GetDateIntFormString(string dateForamt, string dateStr, char ch)
336: {
337: //模板可能是变动的,从模板根据最后的ch值确定表示时间的区间
338: int indStart = dateForamt.IndexOf(ch);
339: int indEnd = dateForamt.LastIndexOf(ch);
340: if (dateStr.Length < indStart + 1)
341: {
342: return 1;
343: }
344:
345: string tmpStr = "";
346:
347: if (dateStr.Length < indEnd + 1)
348: {
349: tmpStr = dateStr.Substring(indStart);
350: }
351: else
352: {
353: tmpStr = dateStr.Substring(indStart, indEnd - indStart + 1);
354: }
355:
356: return int.Parse(tmpStr);
357: }
358: #endregion
359:
360: #region ConvertDateStrToDateTime 转换一个字符串(yyyy-MM-dd)为时间格式
361: /// <summary>
362: /// 转换一个字符串(yyyy-MM-dd)为时间格式
363: /// </summary>
364: /// <param name="yyyy_MM_dd">年月日,应为yyyy-MM-dd</param>
365: /// <returns>返回转换后的时间格式</returns>
366: public static DateTime ConvertDateStrToDateTime(string yyyy_MM_dd)
367: {
368: return ConvertDateTimeStrToDateTime(yyyy_MM_dd, "00:00:00");
369: }
370: #endregion
371: #region ConvertDateTimeStrToDateTime 转换一个字符串(yyyy-MM-dd HH:mm:ss)为时间格式
372: /// <summary>
373: /// 转换一个字符串(yyyy-MM-dd HH:mm:ss)为时间格式
374: /// </summary>
375: /// <param name="yyyy_MM_dd">年月日,应为yyyy-MM-dd</param>
376: /// <param name="hh_mm_ss">时分秒,应为hh:mm:ss</param>
377: /// <returns>返回转换后的时间格式</returns>
378: public static DateTime ConvertDateTimeStrToDateTime(string yyyy_MM_dd, string hh_mm_ss)
379: {
380: if (yyyy_MM_dd.Length != 10 || hh_mm_ss.Length != 8)
381: {
382: return new DateTime();
383: }
384: string[] datestr = yyyy_MM_dd.Split(‘-‘);
385: string[] timestr = hh_mm_ss.Split(‘:‘);
386:
387: return new DateTime(Int32.Parse(datestr[0]),
388: Int32.Parse(datestr[1]),
389: Int32.Parse(datestr[2]),
390: Int32.Parse(timestr[0]),
391: Int32.Parse(timestr[1]),
392: Int32.Parse(timestr[2])
393: );
394: }
395: #endregion
396:
397: #region FormatTimeByMillisecond 格式化毫秒时间长度为友好时间长度
398: /// <summary>
399: /// 格式化毫秒时间长度为友好时间长度
400: /// </summary>
401: /// <param name="pMillisecond">要格式化的毫秒</param>
402: /// <returns>天,小时,分,秒等</returns>
403: public static string FormatTimeByMillisecond(long pMillisecond)
404: {
405: StringBuilder builder = new StringBuilder();
406: pMillisecond = int.Parse(string.Format("{0:F0}", pMillisecond / 0x3e8L));
407: if (pMillisecond >= 0x15180L)
408: {
409: builder.Append(string.Format("{0:F0}", pMillisecond / 0x15180L));
410: builder.Append("天");
411: pMillisecond = pMillisecond % 0x15180L;
412: }
413: if ((pMillisecond > 0xe10L) || (pMillisecond == 0L))
414: {
415: builder.Append(string.Format("{0:F0}", pMillisecond / 0xe10L));
416: builder.Append("小时");
417: pMillisecond = pMillisecond % 0xe10L;
418: }
419: if ((pMillisecond > 60L) || (pMillisecond == 0L))
420: {
421: builder.Append(string.Format("{0:F0}", pMillisecond / 60L));
422: builder.Append("分");
423: pMillisecond = pMillisecond % 60L;
424: }
425: if (pMillisecond < 60L)
426: {
427: builder.Append(pMillisecond.ToString());
428: builder.Append("秒");
429: }
430: return builder.ToString();
431: }
432: #endregion
433:
434: #region GetTwoDateSeconds 获得d1和d2之间的时间秒数
435: /// <summary>
436: /// 获得d1和d2之间的时间秒数
437: /// </summary>
438: /// <param name="d1">时间前</param>
439: /// <param name="d2">时间后</param>
440: /// <returns>返回d1和d2之间的时间秒数</returns>
441: public static long GetTwoDateSeconds(DateTime d1, DateTime d2)
442: {
443: TimeSpan ts = d2.Subtract(d1).Duration();
444: return Convert.ToInt64(ts.TotalSeconds);
445: }
446: #endregion
447:
448:
449:
450: }
451: }
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日期转换类
时间: 2024-10-11 07:52:24