sharepoint计时器（定时发邮件）
做这个定时器Andrew Connell的博客给我很大的帮助。里面有所有的源代码，思路也很清晰http://www.andrewconnell.com/blog/articles/CreatingCustomSharePointTimerJobs.aspx
主要是继承SpJobDefinition,改写几个构造体和Execute的方法.基本代码的模式就是这个样子：
下面是自己的一段代码有些凌乱：
1 class EventCheckTimesSendEmail : SPJobDefinition
2 {
3 public EventCheckTimesSendEmail() : base() { }
4 public EventCheckTimesSendEmail(string _timername, SPWebApplication _wp)
5 : base(_timername, _wp, null, SPJobLockType.ContentDatabase)
6 {
7 this.Title = "SendEmailEventCheckTime";
8 }
9 public override void Execute(Guid targetInstanceId)
10 {
11//这些参数都是从OwsTimer.exe.config中读取的。这个文件是自己添加的。参数也可以自己写的。
12 SPWebApplication webApplication = this.Parent as SPWebApplication;
13 SPContentDatabase contentDb = webApplication.ContentDatabases;
14 string splistname = ConfigurationManager.AppSettings.Get("ListName");
15 string smtpHost = ConfigurationManager.AppSettings.Get("SmtpHost");
16 string smtpName = ConfigurationManager.AppSettings.Get("SmtpName");
17 string smtpPass = ConfigurationManager.AppSettings.Get("SmtpPass");
18 string emailTitle = ConfigurationManager.AppSettings.Get("EmailTitle");
19 string emailContent = ConfigurationManager.AppSettings.Get("EmailContent");
20 string spwebName = ConfigurationManager.AppSettings.Get("SpwebName");
21 SPWeb spweb = contentDb.Sites.AllWebs;
22 DateTime dt;
23 foreach (SPListItem spli in spweb.Lists.Items)
24 {
25 string spff = null;
26
27 Stream stream = spli.File.OpenBinaryStream();
28 StreamReader sr = new StreamReader(stream);
29 XmlDocument xd = new XmlDocument();
30 xd.LoadXml(sr.ReadToEnd());
31 XmlNamespaceManager xnm = new XmlNamespaceManager(xd.NameTable);
32 xnm.AddNamespace(xd.DocumentElement.Prefix, xd.DocumentElement.NamespaceURI);
33 //XmlNode xnItemDateLine = xd.SelectSingleNode(ItemDateLine, xnm);
34 XmlNode xncommitteeAcion = xd.SelectSingleNode(committeeAcion, xnm);
35 XmlNode xnsubmissionType=xd.SelectSingleNode(submissionType,xnm);
36 dt = Convert.ToDateTime(xd.SelectSingleNode(ItemDateLine, xnm).InnerText);
37
38 TimeSpan ts;
39 DateTime dtNow = DateTime.Now;
40 string monthsStr = xd.SelectSingleNode(renewal, xnm).InnerText;
41 string toemail = itemEmail.ToString();
42
43 int otherMonthNum = 0;
44 string dateunit=null;
45 if (monthsStr.Equals("Other"))
46 {
47 if (xd.SelectSingleNode(otherRenewal,xnm).InnerText.ToString().Trim() != null)
48 {
49 string DateUnits = xd.SelectSingleNode(ItemDateUnits, xnm).InnerText.ToString();
50 string reOther = xd.SelectSingleNode(otherRenewal, xnm).InnerText.ToString();
51 otherMonthNum = int.Parse(reOther);
52 DateTime dtotherDate;
53 if (DateUnits.Equals("Days"))
54 {
55 dtotherDate = dtNow.AddDays(otherMonthNum);
56 dateunit = "Days";
57 }
58 else if (DateUnits.Equals("Months"))
59 {
60 dtotherDate = dtNow.AddMonths(otherMonthNum);
61 dateunit = "Months";
62 }
63 else if (DateUnits.Equals("Years"))
64 {
65 dtotherDate = dtNow.AddYears(otherMonthNum);
66 dateunit = "Years";
67 }
68 else
69 { return; }
70 ts = (dt.Date - dtotherDate.Date);
71 }
72 else { return; }
73 }
74 else
75 {
76 //sendEmail time
77 string[] monthss = monthsStr.ToString().Trim().Split('M');
78 otherMonthNum = int.Parse(monthss.ToString());
79 DateTime dtMoth = dtNow.AddMonths(otherMonthNum);
80 dateunit = "Months";
81 ts = (dtMoth.Date - dt.Date);
82 }
83 string sateTime = otherMonthNum + " " + dateunit + " mails reply";
84 //if (ts.Days == 0)
85 //{
86 // string to = toemail;
87 // string title = emailTitle;
88 // string content = emailContent + ", This " + otherMonthNum + " " + dateunit + " mails reminds ahead of time";
89
90 ////string returnValues = SendEmial(smtpHost, smtpName, smtpPass, to, title, content);
91 //}
92 if (ts.Days == 0 && xncommitteeAcion.InnerText.ToString().Equals(actionSates) && !xnsubmissionType.InnerText.ToString().Equals(submissionTypeValue.ToString()) && spli["SatesOfTimer"] == null)
93 {
94 //Send Email
95 string to = toemail;
96 string title = emailTitle;
97 string content = emailContent + ", This " + otherMonthNum + " " + dateunit + " mails reminds ahead of time";
98 string returnValues = SendEmial(smtpHost, smtpName, smtpPass, to, title, content);
99
100 //add a listitem
101 if (returnValues.Equals("OK"))
102 {
103 spli["SatesOfTimer"] = otherMonthNum + " " + dateunit + " mails reply";
104 spli.Update();
105 spweb.Update();
106
107 }
108 }
109 else if (ts.Days == 0 && xncommitteeAcion.InnerText.ToString().Equals(actionSates) && !xnsubmissionType.InnerText.ToString().Equals(submissionTypeValue.ToString()) && !spli["SatesOfTimer"].ToString().Equals(sateTime))
110 {
111 //Send Email
112 string to = toemail;
113 string title = emailTitle;
114 string content = emailContent + ", This " + otherMonthNum + " " + dateunit + " mails reminds ahead of time";
115 string returnValues = SendEmial(smtpHost, smtpName, smtpPass, to, title, content);
116
117 //add a listitem
118 if (returnValues.Equals("OK"))
119 {
120 spli["SatesOfTimer"] = otherMonthNum + " " + dateunit + " mails reply";
121 spli.Update();
122 spweb.Update();
123 }
124 }
125
126 }
127 }
128
129 private stringSendEmial(string smtpHost, string smtpName, string smtpPass, string to, string title, string content)
130 {
131 MailAddress sendto = new MailAddress(to);
132 MailAddress sendForm = new MailAddress(smtpName);
133 MailMessage _mailMessage = new MailMessage(sendForm, sendto);
134 _mailMessage.Subject = title;
135 _mailMessage.Body = content;
136 _mailMessage.BodyEncoding = System.Text.Encoding.UTF8;
137 SmtpClient _smtpClient = new SmtpClient(smtpHost);
138 _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
139 _smtpClient.Credentials = new System.Net.NetworkCredential(smtpName, smtpPass);
140
141 try
142 {
143 _smtpClient.Send(_mailMessage);
144 return "OK";
145 }
146 catch (Exception ex)
147 {
148 return ex.Message;
149 }
150 }
151
另外一个类就是：
1 class EventCheckTimersInstallerSendEmail : SPFeatureReceiver
2 {
3 const string MY_TASK = "EventCheckTimesSendEmail";
4 public override void FeatureInstalled(SPFeatureReceiverProperties properties)
5 {
6
7 }
8 public override void FeatureUninstalling(SPFeatureReceiverProperties properties)
9 {
10
11 }
12 public override void FeatureActivated(SPFeatureReceiverProperties properties)
13 {
14 SPSite spsite = properties.Feature.Parent as SPSite;
15
16 foreach (SPJobDefinition job in spsite.WebApplication.JobDefinitions)
17 {
18 if (job.Name == MY_TASK)
19 job.Delete();
20 }
21
22 EventCheckTimesSendEmail timer = new EventCheckTimesSendEmail(MY_TASK, spsite.WebApplication);
23
24 //时间写短点是为测试
25 SPMinuteSchedule schedule = new SPMinuteSchedule();
26 schedule.BeginSecond = 0;
27 schedule.EndSecond = 59;
28 schedule.Interval = 59;
29
30 timer.Schedule = schedule;
31 timer.Update();
32
33 }
34
35 public override void FeatureDeactivating(SPFeatureReceiverProperties properties)
36 {
37 SPSite spsite = properties.Feature.Parent as SPSite;
38 foreach (SPJobDefinition job in spsite.WebApplication.JobDefinitions)
39 {
40 if (job.Name == MY_TASK)
41 job.Delete();
42 }
43 }
44 }接下来就是部署这个写好的定时器。
用Stsadm.exe来部署
代码写完了以后，还要写一个Feature，这个Feature比较简单，就一个XML文件
Feature.xml：
<?xml version="1.0" encoding="utf-8" ?>
<Feature xmlns="http://schemas.microsoft.com/sharepoint/"
Id="1F481C17-4FDA-4919-A64A-EAE5C1301B4B"
Title="Image Validation Checker"
Description="If any images in the top level site colleciton images are expiring soon,email relative person."
Scope="Site"
Hidden="TRUE"
Version="1.0.0.0"
ReceiverAssembly="TimerJobControl, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f2aef6a9088f714f"
ReceiverClass="TimerJobControl.ImageValidationCheckerJobInstaller">
</Feature>
剩下的就是把feature装好就好了，假如代码没有出错的话。
至于怎么Debug这个程序，走以下步骤
把Assembly DLL放到GAC
[*]命令行：iisreset
[*]先Deactivate feature, 然后activate feature.
[*]命令行：net stop SPTimerV3
[*]命令行：net start SPTimerV3
[*]Visual Studio: Attach to process: OWSTIMER.EXE
这样就OK了。
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