有个需求，是要通过Web方式，修改IIS服务器上的时间，由于系统是ASP 3.0下开发的，所以本例子的代码是ASP的，不是ASP.NET，但是本人写这个文章是想抛砖引玉，毕竟编写程序关键的不是语言，更重要的是一种思想，把程序语言理解为一种工具，把编程思想理解为解决问题的思路和方法，那么编写出来的程序就是：利用“工具”按照解决问题的“思想”去解决一个问题。
首先，在VB 6.0中建立一个ActiveX Dll工程项目，信息如下：
工程名称：systimeset
类模块名称：timeset
VB 6.0的类模块代码如下：
1Option Explicit
2Private SystemTime As SystemTime
3Private Declare Function SetSystemTime()Function SetSystemTime Lib “kernel32“ (lpSystemTime As SystemTime) As Long
4Private Type SystemTime
5 wYear As Integer
6 wMonth As Integer
7 wDayOfWeek As Integer
8 wDay As Integer
9 wHour As Integer
10 wMinute As Integer
11 wSecond As Integer
12 wMilliseconds As Integer
13End Type
14
15Dim tmp
16
17Private m_Hour As Integer
18Private m_Minute As Integer
19Private m_Year As Integer
20Private m_Month As Integer
21Private m_Day As Integer
22Private m_Second As Integer
23
24’由李锡远修改 修改日期：2006-08-31 修改项目：增加对年、月、日、秒的操作
25’--------------------
26’年
27Public Property Get()Property Get Year() As Integer
28Year = m_Year
29End Property
30Public Property Let()Property Let Year(tmp_Year As Integer)
31m_Year = tmp_Year
32End Property
33’--------------------
34’月
35Public Property Get()Property Get Month() As Integer
36Month = m_Month
37End Property
38Public Property Let()Property Let Month(tmp_Month As Integer)
39m_Month = tmp_Month
40End Property
41’--------------------
42’日
43Public Property Get()Property Get Day() As Integer
44Day = m_Day
45End Property
46Public Property Let()Property Let Day(tmp_Day As Integer)
47m_Day = tmp_Day
48End Property
49’--------------------
50’秒
51Public Property Get()Property Get Second() As Integer
52Second = m_Second
53End Property
54Public Property Let()Property Let Second(tmp_Second As Integer)
55m_Second = tmp_Second
56End Property
57
58
59
60Public Property Get()Property Get Hour() As Integer
61Hour = m_Hour
62End Property
63Public Property Let()Property Let Hour(tmp_Hour As Integer)
64m_Hour = tmp_Hour
65End Property
66Public Property Get()Property Get Minute() As Integer
67Minute = m_Minute
68End Property
69Public Property Let()Property Let Minute(tmp_Minute As Integer)
70m_Minute = tmp_Minute
71End Property
72
73
74
75
76Public Function setup()Function setup() As Integer
77SystemTime.wDay = Day
78’SystemTime.wDayOfWeek = 1
79SystemTime.wMilliseconds = 0
80SystemTime.wMonth = Month
81SystemTime.wSecond = Second
82SystemTime.wYear = Year
83SystemTime.wHour = Hour
84SystemTime.wMinute = Minute
85setup = SetSystemTime(SystemTime)
86
87End Function
88
关于DLL的注册，通常VB在本机上编译后，会自动将DLL注册；但如果你要放到IIS服务器上，请使用如下方法：
1、将systimeset.dll拷贝到c:\Windows\system32下；
2、在开始菜单的运行里面输入：regsvr32 systimeset.dll （敲回车啊）
3、因为修改服务器的时间，INTERNET来宾帐户不具有该权限，设立权限请打开控制面版中的“管理工具”，然后打开“本地安全策略”－－“用户权力指派”，双击“更改系统时间”，在弹出的对话框中点“添加用户或组”，将INETNET来宾帐户加入进来。
4、一切完毕后，将IIS服务重新启动一次。
在上面的设置完毕后，使用systimeset.dll组件的ASP代码页面如下：
将其编译为systimeset.dll的文件。
1〈% @language=“VBScript“ %〉
2〈%
3function SetTime(strYear,strMonth,strDay)
4response.Expires=0
5set obj=server.createobject(“systimeset.timeset“)
6 obj.Year=strYear
7 obj.Month=strMonth
8 obj.Day=strDay
9 if Hour(now())-8〉0 then
10 obj.Hour=Hour(now())-8
11 else
12 obj.Hour=8
13 end if
14 obj.Minute=Minute(now())
15 obj.Second=Second(now())
16 obj.setup
17
18set obj=Nothing
19end function
20
21if request(“act“)=“modi“ then
22 call SetTime(request.Form(“strYear“),request.Form(“strMonth“),request.Form(“strDay“))
25end if
26%〉
27〈form id=“form1“ name=“form1“ method=“post“ action=“?act=modi“〉
28 〈table width=“290“ border=“0“〉
29 〈tr〉
30 〈td width=“77“〉〈input name=“strYear“ type=“text“ id=“strYear“ value=“〈%=Year(now())%〉“ size=“8“ /〉〈/td〉
33 〈td width=“49“〉〈input name=“strMonth“ type=“text“ id=“strMonth“ value=“〈%=Month(now())%〉“ size=“5“ /〉〈/td〉
36 〈td width=“48“〉〈input name=“strDay“ type=“text“ id=“strDay“ value=“〈%=Day(now())%〉“ size=“5“ /〉〈/td〉
39 〈td width=“98“〉〈input type=“submit“ name=“Submit“ value=“修改日期“ /〉〈/td〉
40 〈/tr〉
41 〈/table〉
42〈/form〉
43
将上面的ASP代码页面粘贴到一个空的ASP文件中，然后在IIS中将站点设置好就可以了。（设置IIS虚拟目录也可以的。）
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