C# 两个时间段中间时刻 

 1 /// <summary>
 2         /// 返回一个时间
 3         /// </summary>
 4         /// <param name="url"></param>
 5         /// <returns></returns>
 6         public DateTime returnTime()//返回随机时间
 7         {
 8             DateTime dt_now = DateTime.Now;
 9             DateTime dt_page = returnPageTime();//其他地方获取到的时间
10 
11             DateTime dateTimeMin = Convert.ToDateTime(dt_page);
12             DateTime dateTimeMax = Convert.ToDateTime(dt_now);
13             dateTimeMax = dateTimeMax.AddDays(3);
14 
15             TimeSpan ts = dateTimeMax - dateTimeMin;
16             DateTime rTime = DateTime.Now;
17             do
18             {
19                 Random r = new Random();
20                 //int t1 = r.Next(0, (int)ts.TotalDays);
21                 int t2 = r.Next(0, (int)ts.TotalHours);
22                 //int t3 = r.Next(0, (int)ts.TotalMinutes);
23                 //int t4 = r.Next(0, (int)ts.TotalDays);
24 
25                 DateTime newDT = dateTimeMin.Add(new TimeSpan(0, t2, 0, 0));
26 
27                 Random random = new Random((int)(DateTime.Now.Ticks));
28 
29                 int hour = random.Next(7, 22);
30                 int minute = random.Next(0, 60);
31                 int second = random.Next(0, 60);
32                 string tempStr = string.Format("{0} {1}:{2}:{3}", newDT.ToString("yyyy-MM-dd"), hour, minute, second);
33                 rTime = Convert.ToDateTime(tempStr);
34             }
35             while (rTime >= dateTimeMax || rTime <= dateTimeMin);
36 
37 
38             return rTime;
39         }

 

posted on 2017-10-27 11:08  梦林``ysl  阅读(1251)  评论(0)  编辑  收藏  举报

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