工作流

转:

这几天，忙于MOSS工作流的任务，所以很忙，研究几天工作流，感觉开发MOSS工作流，其实也很简单。并不象大家想象的那样的复杂！

一.介绍
MOSS开发工作六
.开収环境&准备工作
 SharePoint Server 2007
 Visual Studio 2005
 .NET Framework 3.0
 Visual Studio 2005 Extensions for Windows Workflow Foundation
 ECM Starter Kit for Visual Studio 2005

工作流中只有一个onWorkflowActivated活劢,所有SharePoint工作流都必须从这个活劢开始.
onWorkflowActivated活劢有一些属性值得我们注意:

 CorrelationToken : Correlation Token 是将若干相关联的活劢映射到同一集合的标识符,其作用不某些编程语言中RadioButtion组件的GroupId属性类似,注意丌要为任务活劢和工作流活劢指定相同的CorrelationToken.

每一个Task都是一个SequenceActivity(IfElseAcitvity和ParallelActivity的分支也是SequenceActivity), 它依序包含CreateTask,onTaskChanged,CompleteTask和DeleteTask四个活劢,代表了一个任务的一次生命周期.
 同一组Task活劢都必须设置相同的CorrelationToken属性和TaskId属性(在本例中同一组Task活劢都包含在一个SequenceActivity中);而丌同组的Task活劢则需要设置丌同的CorrelationToken属性和TaskId属性.
 Task活劢的OwnerActivityName必须设置为包含它们的SequenceActivity名称.
 将onTaskChanged的afterProperties属性设置为和CreateTask活劢的TaskProperties属性相同的变量(这样做的目的是默认保存用户对Task的修改).
六.部署
关亍部署的文件Feature.xml , Workflow.xml和Install.bat.
6.1 强签名
因为工作流的程序集需要部署到GAC里,所以我们需要为程序集生成一个强签名.

 拷贝并注册工作流表单.
 将程序集添加到GAC.
 安装并激活工作流feature
大家明白上面的理论知识拉，现在开始开工 ，我也不在这里废话拉，
首先跟大家讲讲我这个工作流的流程-〉首先用户提交申请，然后流程启动-〉发送EMAIL-〉通知审批人-〉审批人审批通过-〉然后-〉提交到人事部门list,等待以后察看，流程结束。

工作流的后台代码
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Collections;
using System.Drawing;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Serialization;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Workflow.Runtime;
using System.Workflow.Activities;
using System.Workflow.Activities.Rules;
using System.Xml.Serialization;
using System.Xml;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WorkflowActions;

namespace LeaveWorkFlow
{
public sealed partial class Workflow1: SequentialWorkflowActivity
{
public Workflow1()
{
InitializeComponent();
}
public Guid workflowId = default(System.Guid);
public Microsoft.SharePoint.Workflow.SPWorkflowActivationProperties workflowProperties = new Microsoft.SharePoint.Workflow.SPWorkflowActivationProperties();
public Guid TaskId = default(System.Guid);
public Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties taskProperties = new Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties();
public Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties beforeProperties = new Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties();
public Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties afterProperties = new Microsoft.SharePoint.Workflow.SPWorkflowTaskProperties();
private string assignto = default(System.String);
private string Comment = default(System.String);
private int currentreviewer = 0;
private string itemtitle = default(System.String);
private string itemContent = default(System.String);
private bool isFinished = false;

private void onWorkflowActivated1_Invoked(object sender, ExternalDataEventArgs e)
{
itemtitle = workflowProperties.Item.DisplayName;
this.isFinished = false;
this.workflowId = workflowProperties.WorkflowId;
//XmlSerializer myserializer = new XmlSerializer(typeof(myFields));
//XmlTextReader reader = new XmlTextReader(new System.IO.StringReader(workflowProperties.InitiationData));
//myFields myinitf = (myFields)myserializer.Deserialize(reader);
//assignto = myinitf.ApproveUser;
assignto = "LHVM//Administrator";
Comment =" myinitf.Comment";

}
private void wordflownotFinished(object sender, ConditionalEventArgs e)
{
if (this.assignto.Split(Convert.ToChar(";")).Length 〈 currentreviewer + 1)
{
e.Result = false;
}
else
{
e.Result = true;
}
}
private void taskNotFinished(object sender, ConditionalEventArgs e)
{
if (taskProperties.Title == itemtitle + "拒绝！")
{
this.isFinished = true;
}
e.Result = !isFinished;
}
private void onTaskChanged1_Invoked(object sender, ExternalDataEventArgs e)
{
this.isFinished = bool.Parse(afterProperties.ExtendedProperties["isFinished"].ToString());
if (isFinished)
{
this.Comment = afterProperties.ExtendedProperties["Conceit"].ToString();

}
else
{
taskProperties.Title = itemtitle + "拒绝！";
this.isFinished = true;
}
}
private void createTask1_MethodInvoking(object sender, EventArgs e)
{
TaskId = Guid.NewGuid();
taskProperties.Title = "Please Review Say:" + itemtitle;
taskProperties.AssignedTo = this.assignto.Split(Convert.ToChar(";"))[this.currentreviewer].ToString();
taskProperties.Description = this.Comment;
taskProperties.ExtendedProperties["Comment"] = this.Comment;
}
private void completeTask1_MethodInvoking(object sender, EventArgs e)
{
this.currentreviewer++;
}
private void sendEmail1_MethodInvoking(object sender, EventArgs e)
{
//this.sendEmail1.To = this.workflowProperties.OriginatorEmail;
//this.sendEmail1.To = "[e-mail]";
//this.sendEmail1.Subject = "请假申请";
//this.sendEmail1.Body = "Your request ";
sendEmail1_Headers1.Add("To", "[e-mail]");
sendEmail1_Headers1.Add("From", "[e-mail]");
sendEmail1_Headers1.Add("Subject", "WorkFlow VS 2005");
sendEmail1_Body1 = "aa programado " + workflowProperties.Item.DisplayName;

// this.sendEmail1.
}
public String sendEmail1_From1 = default(System.String);
public String sendEmail1_Body1 = default(System.String);
public String sendEmail1_CC1 = default(System.String);
public System.Collections.Specialized.StringDictionary sendEmail1_Headers1 = new System.Collections.Specialized.StringDictionary();
public String sendEmail1_Subject1 = default(System.String);
public String sendEmail1_To1 = default(System.String);
private void codeActivity1_ExecuteCode(object sender, EventArgs e)
{

SPSite site = new SPSite(@"http://lh-vmpc/personal/test/workflow");
SPWeb web = site.OpenWeb();
web.AllowUnsafeUpdates = true;
SPList list = web.Lists["WorkFlow"];
SPListItem item = list.Items.Add();
item["标题"] = this.itemtitle;
item["请假内容"] = "Content"+this.itemContent;
item["请假人"] = "lhvm/administrator"+workflowProperties.Web.CurrentUser.Name;
item["请假时间"] = "1";
item.Update();
}
}
}

feature.xml
〈?xml version="1.0" encoding="utf-8"?〉
〈!-- _lcid="1033" _version="12.0.3111" _dal="1" --〉
〈!-- _LocalBinding --〉
〈!-- Insert Feature.xml Code Snippet here. To do this:
1) Right click on this page and select "Insert Snippet" (or press Ctrl+K, then X)
2) Select Snippets-〉Windows SharePoint Services Workflow-〉Feature.xml Code --〉
〈Feature Id="{79f5f0c4-3b4e-4a32-addf-9d59b33147dc}"
Title="AA LeaveWorkFlow"
Description="AA LeaveWordFlow."
Version="12.0.0.0"
Scope="Site"
ReceiverAssembly="Microsoft.Office.Workflow.Feature, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c"
ReceiverClass="Microsoft.Office.Workflow.Feature.WorkflowFeatureReceiver"
xmlns="http://schemas.microsoft.com/sharepoint/"〉
〈ElementManifests〉
〈ElementManifest Location="workflow.xml" /〉
〈/ElementManifests〉
〈Properties〉
〈Property Key="GloballyAvailable" Value="true" /〉
〈!-- Value for RegisterForms key indicates the path to the forms relative to feature file location --〉
〈!-- if you don't have forms, use *.xsn --〉
〈Property Key="RegisterForms" Value="*.xsn" /〉
〈/Properties〉
〈/Feature〉
workflow.xml
〈?xml version="1.0" encoding="utf-8" ?〉
〈!-- _lcid="1033" _version="12.0.3015" _dal="1" --〉
〈!-- _LocalBinding --〉
〈!-- Insert Workflow.xml Code Snippet here. To do this:
1) Right click on this page and select "Insert Snippet" (or press Ctrl+K, then X)
2) Select Snippets-〉Windows SharePoint Services Workflow-〉Workflow.xml Code --〉
〈Elements xmlns="http://schemas.microsoft.com/sharepoint/"〉
〈Workflow
Name="LeaveWorkFlow Show"
Description="this is LeaveWorkFlow。"
Id="{44fb0f07-5c96-48ab-8d12-1f99d31620ba}"
CodeBesideClass="LeaveWorkFlow.Workflow1"
CodeBesideAssembly="LeaveWorkFlow, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e106055d8d054c38"
TaskListContentTypeId="0x01080100C9C9515DE4E24001905074F980F93160"
InstantiationUrl="_layouts/IniWrkflIP.aspx"
ModificationUrl="_layouts/ModWrkflIP.aspx"〉
〈Categories/〉
〈!-- Tags to specify InfoPath forms for the workflow; delete tags for forms that you do not have --〉
〈MetaData〉
〈Instantiation_FormURN〉urn:schemas-microsoft-com:office:infopath:LeaveInit:-myXSD-2007-06-20T18-08-02〈/Instantiation_FormURN〉
〈Association_FormURN〉urn:schemas-microsoft-com:office:infopath:LeaveInit:-myXSD-2007-06-20T18-08-02〈/Association_FormURN〉
〈Task0_FormURN〉urn:schemas-microsoft-com:office:infopath:LeaveTaskEdit:-myXSD-2007-06-21T01-20-17〈/Task0_FormURN〉
〈StatusPageUrl〉_layouts/WrkStat.aspx〈/StatusPageUrl〉
〈/MetaData〉
〈/Workflow〉
〈/Elements〉
Install.bat

:: Before running this file, sign the assembly in Project properties
::
:: To customize this file, find and replace
:: a) "LeaveWorkFlow" with your own feature names
:: b) "feature.xml" with the name of your feature.xml file
:: c) "workflow.xml" with the name of your workflow.xml file
:: d) "http://lh-vmpc/personal/test" with the name of the site you wish to publish to
echo Copying the feature...
rd /s /q "%CommonProgramFiles%/Microsoft Shared/web server extensions/12/TEMPLATE/FEATURES/LeaveWorkFlow"
mkdir "%CommonProgramFiles%/Microsoft Shared/web server extensions/12/TEMPLATE/FEATURES/LeaveWorkFlow"
copy /Y feature.xml "%CommonProgramFiles%/Microsoft Shared/web server extensions/12/TEMPLATE/FEATURES/LeaveWorkFlow/"
copy /Y workflow.xml "%CommonProgramFiles%/Microsoft Shared/web server extensions/12/TEMPLATE/FEATURES/LeaveWorkFlow/"
xcopy /s /Y *.xsn "%programfiles%/Common Files/Microsoft Shared/web server extensions/12/TEMPLATE/FEATURES/LeaveWorkFlow/"

echo Adding assemblies to the GAC...
"%programfiles%/Microsoft Visual Studio 8/SDK/v2.0/Bin/gacutil.exe" -uf LeaveWorkFlow
"%programfiles%/Microsoft Visual Studio 8/SDK/v2.0/Bin/gacutil.exe" -if bin/Debug/LeaveWorkFlow.dll
:: Note: 64-bit alternative to lines above; uncomment these to install on a 64-bit machine
::"%programfiles% (x86)/Microsoft Visual Studio 8/SDK/v2.0/Bin/gacutil.exe" -uf LeaveWorkFlow
::"%programfiles% (x86)/Microsoft Visual Studio 8/SDK/v2.0/Bin/gacutil.exe" -if bin/Debug/LeaveWorkFlow.dll
echo Verifying InfoPath Forms...
::Note: Verify InfoPath forms; copy line for each form
::"%programfiles%/common files/microsoft shared/web server extensions/12/bin/stsadm" -o verifyformtemplate -filename [IP_FORM_FILENAME]

echo Activating the feature...
pushd %programfiles%/common files/microsoft shared/web server extensions/12/bin
::Note: Uncomment these lines if you've modified your deployment xml files or IP forms
::stsadm -o deactivatefeature -filename LeaveWorkFlow/feature.xml -url http://lh-vmpc/personal/test
::stsadm -o uninstallfeature -filename LeaveWorkFlow/feature.xml
stsadm -o installfeature -filename LeaveWorkFlow/feature.xml -force
stsadm -o activatefeature -filename LeaveWorkFlow/feature.xml -url http://lh-vmpc/personal/test

echo Doing an iisreset...
popd
iisreset
编译，把DLL放入GAC
程序全部设计开发完成后。直接运行bat文件就OK，结束！

本文来自于BlogJava 作者：wanghao

http://www.cnblogs.com/wanghao-3/archive/2007/06/26/795844.html