当前文件： ExamOnline/Students/WSEndTime.asmx[1K，2009-6-12 11:42:06]，打开代码结构图

		            
 1<%@ WebService Language="C#" Class="ExamOnline.WSEndTime" %>
 2
 3using System;
 4using System.Web;
 5using System.Web.Services;
 6using System.Web.Services.Protocols;
 7using System.Web.Script.Services;
 8
 9namespace ExamOnline
10...{
11    [WebService(Namespace = "http://tempuri.org/")]
12    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
13    [ScriptService]
14    public class WSEndTime : System.Web.Services.WebService
15    ...{
16        [WebMethod]
17        public string getEndTime()
18        ...{
19            DateTime dt;
20            if(HttpContext.Current.Application["EndTime"] != null)
21            ...{
22                dt =Convert.ToDateTime(HttpContext.Current.Application["EndTime"]);
23            }
24            else 
25            ...{
26                dt = (new ExamOnline.Exam()).getEndTime();
27                HttpContext.Current.Application["EndTime"] = dt;
28            }
29            TimeSpan ts = dt - DateTime.Now;
30            
31            string hours = "";
32            string minutes = "";
33            if(ts.Hours < 10)
34            ...{
35                hours =  "0" + ts.Hours.ToString();
36            }
37            else
38            ...{
39                hours = ts.Hours.ToString();
40            }
41            if (ts.Minutes < 10)
42            ...{
43                minutes = "0" + ts.Minutes.ToString();
44            }
45            else
46            ...{
47                minutes = ts.Minutes.ToString();
48            }
49            return hours + ":" + minutes;
50        }
51    }
52}