ASP.NET生成日历

 1 public string GetDayList(DateTime? date)
 2 {
 3     int day = 0;
 4     var minDate = Convert.ToDateTime(((DateTime)(date ?? DateTime.Now)).ToString("yyyy-MM-01"));
 5     var maxDate = minDate.AddMonths(1).AddDays(-1);
 6 
 7     var sb = new StringBuilder();
 8 
 9     sb.Append("<table>");
10     sb.Append("<thead>");
11     sb.Append("<tr>");
12     sb.Append("<th>周日</th><th>周一</th><th>周二</th><th>周三</th><th>周四</th><th>周五</th><th>周六</th>");
13     sb.Append("</tr>");
14     sb.Append("</thead>");
15     sb.Append("<tbody>");
16     sb.Append("<tr>");
17     while (true)
18     {
19         if (minDate > maxDate)
20         {
21             if (day > 6)
22             {
23                 break;
24             }
25             else
26             {
27                 sb.Append("<td></td>");
28                 day++;
29                 continue;
30             }
31         }
32 
33         if ((int)minDate.DayOfWeek == day)
34         {
35             sb.AppendFormat("<td>{0}</td>", minDate.Day);
36             minDate = minDate.AddDays(1);
37         }
38         else
39         {
40             sb.Append("<td></td>");
41         }
42 
43         if (day == 6)
44         {
45             sb.Append("</tr><tr>");
46             day = -1;
47         }
48 
49         day++;
50     }
51     sb.Append("</tr>");
52     sb.Append("</tbody>");
53     sb.Append("</table>");
54 
55     return sb.ToString();
56 }
View Code
加上CSS后效果图：