1 #region 获得时间戳
2 /// <summary>
3 /// 获得时间戳
4 /// </summary>
5 /// <returns></returns>
6 public static string GetTimeStamp()
7 {
8 TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
9 return Convert.ToInt64(ts.TotalMilliseconds).ToString();
10 }
11 #endregion
12
13 #region 时间转提示文本
14 /// <summary>
15 /// 时间转提示文本
16 /// </summary>
17 /// <param name="days">天</param>
18 /// <param name="hours">小时</param>
19 /// <param name="minutes">分钟</param>
20 /// <param name="seconds">秒</param>
21 /// <param name="IsMilliseconds">是否获取毫秒级</param>
22 /// <returns></returns>
23 public static string TimeToTooltip(int days, int hours, int minutes, int seconds, bool IsMilliseconds)
24 {
25 TimeSpan ts = new TimeSpan(days, hours, minutes, seconds);
26 var tooltip = "";
27 if (ts.Days > 0)
28 {
29 tooltip += ts.Days + "天";
30 }
31 if (ts.Hours > 0)
32 {
33 tooltip += ts.Hours + "小时";
34 }
35 if (ts.Minutes > 0)
36 {
37 tooltip += ts.Minutes + "分钟";
38 }
39 if (ts.Seconds > 0)
40 {
41 tooltip += ts.Seconds + "秒";
42 }
43 if (IsMilliseconds && ts.Milliseconds > 0)
44 {
45 tooltip += ts.Milliseconds + "毫秒";
46 }
47 return tooltip;
48 }
49 #endregion
50
51 #region 把秒转换成分钟
52 /// <summary>
53 /// 把秒转换成分钟
54 /// </summary>
55 /// <returns></returns>
56 public static int SecondToMinute(int Second)
57 {
58 decimal mm = (decimal)((decimal)Second / (decimal)60);
59 return Convert.ToInt32(Math.Ceiling(mm));
60 }
61 #endregion
62
63 #region 返回时间差
64 /// <summary>
65 /// 返回时间差
66 /// </summary>
67 /// <param name="DateTime1"></param>
68 /// <param name="DateTime2"></param>
69 /// <returns></returns>
70 public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
71 {
72 string dateDiff = null;
73 try
74 {
75 //TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
76 //TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
77 //TimeSpan ts = ts1.Subtract(ts2).Duration();
78 TimeSpan ts = DateTime2 - DateTime1;
79 if (ts.Days >= 1)
80 {
81 dateDiff = DateTime1.Month.ToString() + "月" + DateTime1.Day.ToString() + "日";
82 }
83 else
84 {
85 if (ts.Hours > 1)
86 {
87 dateDiff = ts.Hours.ToString() + "小时前";
88 }
89 else
90 {
91 dateDiff = ts.Minutes.ToString() + "分钟前";
92 }
93 }
94 }
95 catch
96 { }
97 return dateDiff;
98 }
99 #endregion
100
101 #region 获得两个日期的间隔
102 /// <summary>
103 /// 获得两个日期的间隔
104 /// </summary>
105 /// <param name="DateTime1">日期一。</param>
106 /// <param name="DateTime2">日期二。</param>
107 /// <returns>日期间隔TimeSpan。</returns>
108 public static TimeSpan DateDiff2(DateTime DateTime1, DateTime DateTime2)
109 {
110 TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
111 TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
112 TimeSpan ts = ts1.Subtract(ts2).Duration();
113 return ts;
114 }
115 #endregion
116
117 #region 格式化日期时间
118 /// <summary>
119 /// 格式化日期时间
120 /// </summary>
121 /// <param name="dateTime1">日期时间</param>
122 /// <param name="dateMode">显示模式</param>
123 /// <returns>0-9种模式的日期</returns>
124 public static string FormatDate(DateTime dateTime1, string dateMode)
125 {
126 switch (dateMode)
127 {
128 case "0":
129 return dateTime1.ToString("yyyy-MM-dd");
130 case "1":
131 return dateTime1.ToString("yyyy-MM-dd HH:mm:ss");
132 case "2":
133 return dateTime1.ToString("yyyy/MM/dd");
134 case "3":
135 return dateTime1.ToString("yyyy年MM月dd日");
136 case "4":
137 return dateTime1.ToString("MM-dd");
138 case "5":
139 return dateTime1.ToString("MM/dd");
140 case "6":
141 return dateTime1.ToString("MM月dd日");
142 case "7":
143 return dateTime1.ToString("yyyy-MM");
144 case "8":
145 return dateTime1.ToString("yyyy/MM");
146 case "9":
147 return dateTime1.ToString("yyyy年MM月");
148 default:
149 return dateTime1.ToString();
150 }
151 }
152 #endregion
153
154 #region 将时间格式化成 年月日 的形式,如果时间为null，返回当前系统时间
155 /// <summary>
156 /// 将时间格式化成 年月日 的形式,如果时间为null，返回当前系统时间
157 /// </summary>
158 /// <param name="dt">年月日分隔符</param>
159 /// <param name="Separator"></param>
160 /// <returns></returns>
161 public static string GetFormatDate(DateTime dt, char Separator)
162 {
163 if (dt != null && !dt.Equals(DBNull.Value))
164 {
165 string tem = string.Format("yyyy{0}MM{1}dd", Separator, Separator);
166 return dt.ToString(tem);
167 }
168 else
169 {
170 return GetFormatDate(DateTime.Now, Separator);
171 }
172 }
173 #endregion
174
175 #region 将时间格式化成 时分秒 的形式,如果时间为null，返回当前系统时间
176 /// <summary>
177 /// 将时间格式化成 时分秒 的形式,如果时间为null，返回当前系统时间
178 /// </summary>
179 /// <param name="dt"></param>
180 /// <param name="Separator"></param>
181 /// <returns></returns>
182 public static string GetFormatTime(DateTime dt, char Separator)
183 {
184 if (dt != null && !dt.Equals(DBNull.Value))
185 {
186 string tem = string.Format("hh{0}mm{1}ss", Separator, Separator);
187 return dt.ToString(tem);
188 }
189 else
190 {
191 return GetFormatDate(DateTime.Now, Separator);
192 }
193 }
194 #endregion
195
196 #region 得到随机日期
197 /// <summary>
198 /// 得到随机日期
199 /// </summary>
200 /// <param name="time1">起始日期</param>
201 /// <param name="time2">结束日期</param>
202 /// <returns>间隔日期之间的 随机日期</returns>
203 public static DateTime GetRandomTime(DateTime time1, DateTime time2)
204 {
205 Random random = new Random();
206 DateTime minTime = new DateTime();
207 DateTime maxTime = new DateTime();
208
209 System.TimeSpan ts = new System.TimeSpan(time1.Ticks - time2.Ticks);
210
211 // 获取两个时间相隔的秒数
212 double dTotalSecontds = ts.TotalSeconds;
213 int iTotalSecontds = 0;
214
215 if (dTotalSecontds > System.Int32.MaxValue)
216 {
217 iTotalSecontds = System.Int32.MaxValue;
218 }
219 else if (dTotalSecontds < System.Int32.MinValue)
220 {
221 iTotalSecontds = System.Int32.MinValue;
222 }
223 else
224 {
225 iTotalSecontds = (int)dTotalSecontds;
226 }
227
228
229 if (iTotalSecontds > 0)
230 {
231 minTime = time2;
232 maxTime = time1;
233 }
234 else if (iTotalSecontds < 0)
235 {
236 minTime = time1;
237 maxTime = time2;
238 }
239 else
240 {
241 return time1;
242 }
243
244 int maxValue = iTotalSecontds;
245
246 if (iTotalSecontds <= System.Int32.MinValue)
247 maxValue = System.Int32.MinValue + 1;
248
249 int i = random.Next(System.Math.Abs(maxValue));
250
251 return minTime.AddSeconds(i);
252 }
253 #endregion
254
255 #region 返回某年某月最后一天
256 /// <summary>
257 /// 返回某年某月最后一天
258 /// </summary>
259 /// <param name="year">年份</param>
260 /// <param name="month">月份</param>
261 /// <returns>日</returns>
262 public static int GetMonthLastDate(int year, int month)
263 {
264 DateTime lastDay = new DateTime(year, month, new System.Globalization.GregorianCalendar().GetDaysInMonth(year, month));
265 int Day = lastDay.Day;
266 return Day;
267 }
268 #endregion
269
270 #region 返回某月的第一天和最后一天
271 /// <summary>
272 /// 返回某月的第一天和最后一天
273 /// </summary>
274 /// <param name="month"></param>
275 /// <param name="firstDay"></param>
276 /// <param name="lastDay"></param>
277 public static void ReturnDateFormat(int month, out string firstDay, out string lastDay)
278 {
279 int year = DateTime.Now.Year + month / 12;
280 if (month != 12)
281 {
282 month = month % 12;
283 }
284 switch (month)
285 {
286 case 1:
287 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
288 lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
289 break;
290 case 2:
291 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
292 if (DateTime.IsLeapYear(DateTime.Now.Year))
293 lastDay = DateTime.Now.ToString(year + "-0" + month + "-29");
294 else
295 lastDay = DateTime.Now.ToString(year + "-0" + month + "-28");
296 break;
297 case 3:
298 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
299 lastDay = DateTime.Now.ToString("yyyy-0" + month + "-31");
300 break;
301 case 4:
302 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
303 lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
304 break;
305 case 5:
306 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
307 lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
308 break;
309 case 6:
310 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
311 lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
312 break;
313 case 7:
314 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
315 lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
316 break;
317 case 8:
318 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
319 lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
320 break;
321 case 9:
322 firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
323 lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
324 break;
325 case 10:
326 firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
327 lastDay = DateTime.Now.ToString(year + "-" + month + "-31");
328 break;
329 case 11:
330 firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
331 lastDay = DateTime.Now.ToString(year + "-" + month + "-30");
332 break;
333 default:
334 firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
335 lastDay = DateTime.Now.ToString(year + "-" + month + "-31");
336 break;
337 }
338 }
339 #endregion
340
341 #region 返回当前日期的最后一秒时间
342 /// <summary>
343 /// 返回当前日期的23:59:59
344 /// </summary>
345 /// <param name="time"></param>
346 public static DateTime ReturnDayEnd(DateTime time)
347 {
348 string dayTime = time.ToString("yyy-MM-dd");
349 return dayTime.ToDateTime().AddDays(1).AddSeconds(-1);
350 }
351 #endregion
352
353 #region 返回当前日期的第一秒时间
354 /// <summary>
355 /// 返回当前日期的00:00:00
356 /// </summary>
357 /// <param name="time"></param>
358 public static DateTime ReturnDayStart(DateTime time)
359 {
360 string dayTime = time.ToString("yyy-MM-dd");
361 return dayTime.ToDateTime();
362 }
363 #endregion
