使用 SharePoint Web 服务/对象模型批准 SharePoint 工作流任务 [英] Approve a SharePoint workflow task using SharePoint Web Services / Object Model
问题描述
我创建了一个工作流是 SharePoint Designer，并将其与一个列表相关联.工作流会创建一个批准流程，因此 SharePoint 在任务"列表中创建一个任务，以便用户可以批准或拒绝.
I have created a workflow is SharePoint Designer and associated it with a list. The workflow creates an approval process, so SharePoint creates a task in the Tasks list so that the user can approve or reject.
我需要做的是在不打开任务列表中的任务的情况下批准或拒绝任务.经过一番研究，我发现我可以使用 SharePoint Web Services.但是我感到很迷茫，因为我不知道哪个服务，例如Lists.asmx，以及哪种方法，例如UpdateListItems，调用.
What I need to do is to approve or reject the task without opening the task in the task list. After some research I figured that I can use SharePoint Web Services. However I feel lost as I don't know which service, e.g. Lists.asmx, and which method, e.g. UpdateListItems, to call.
有人可以指导我完成以下操作:
1- 批准 SharePoint Web Services 工作流任务是否可行?
2- 你能告诉我一个如何批准任务的例子，例如调用哪个服务和方法，参数应该是什么?
Can someone guide me through the following:
1- Is it feasible to approve a workflow task SharePoint Web Services?
2- Can you show me an example of how to approve a task, e.g. which service and method to call and what should be the parameters?
更新
我一直在使用以下 XML 来设置工作流以完成:
Update
I have been using the following XML to set the workflow to complete:
batchElement.InnerXml = "<Method ID='1' Cmd='Update'>" // Also used Moderate
+ "<Field Name='ID'>115</Field>"
+ "<Field Name='Status'>Completed</Field>"
+ "<Field Name='FormData'>Completed</Field>" // Also used Approved
+ "<Field Name='WorkflowOutcome'>Approved</Field>"
+ "<Field Name='Completed'>True</Field>"
+ "<Field Name='PercentComplete'>1</Field>"
+ "<Field Name='_ModerationStatus'>0</Field>"
+ "</Method>";
任务列表项已更新，但 WorkflowOutcome 仍为空，工作流不会移至下一步.
我还缺少什么?
The task list item is updated but the WorkflowOutcome remains empty and the workflow doesn't move to the next step.
What else I am missing?
更新 #2
我怀疑任务列表项的 ExtendedProperties.对于使用 UI 完成的项目，ExtendedProperties 显示 ws_TaskStatus='Approved'.但是，对于使用代码 ws_TaskStatus 批准的项目不存在.
Update #2
I am suspecting the ExtendedProperties of the task list item. For an item that was completed using the UI, the ExtendedProperties shows ws_TaskStatus='Approved'. However for an item that was approved using the code ws_TaskStatus doesn't exist.
更新 #3
从 MSDN 帖子中，我被告知使用 Workflow.asmx 而不是 Lists.asmx.
我使用了以下代码:
Update #3
From an MSDN post, I was told to use the Workflow.asmx instead of the Lists.asmx.
I have used the following code:
WorkflowService.Workflow listProxy = new WorkflowService.Workflow();
listProxy.Url = "http://<server_name>/_vti_bin/workflow.asmx";
listProxy.UseDefaultCredentials = true;
int todoID = 118;
Guid tasklistID = new Guid("{79ABFDE7-0398-4AD7-918A-0D40204E7726}");
string itemURL = "http://<server_name>/TestLibrary/volshext.log";
XmlDocument taskData = new XmlDocument();
taskData.Load(@"..\..\TaskData.xml");
try
{
XmlNode response = listProxy.AlterToDo(itemURL, todoID, tasklistID, taskData.DocumentElement);
Console.WriteLine(response.InnerText);
}
我用来批准任务的 XML 是
The XML I am using to approve the task is
<my:myFields xmlns:my="http://schemas.microsoft.com/office/infopath/2003/myXSD" >
<my:TaskStatus>#</my:TaskStatus>
<my:Comments />
<my:DelegateTo />
<my:NewDescription>Please approve Workflow Demo</my:NewDescription>
<my:NewDueDate />
<my:RequestTo />
<my:Decline>0</my:Decline>
<my:dcr>0</my:dcr>
<my:Status>Completed</my:Status>
</my:myFields>
但任务再次更新，但工作流程没有继续前进.
But again the task was updated but the workflow didn't move forward.
更新 #4
我已经对 SharePoint 服务器对象模型进行了最后一次试验，但同样，任务已更新，但工作流并未向前推进.
这是我的代码:
Update #4
I have made one last trial with SharePoint server object model however, again, the task is updated but the workflow is not moving forward.
Here is my code:
SPSite site = new SPSite("http://sitenamehere/");
using (SPWeb web = site.OpenWeb())
{
SPList list = web.Lists["Shared Documents"];
//SPListItem item = list.GetItemById(18);
SPListItem item = list.GetItemByUniqueId(new Guid("5300d16e-94f8-4338-8206-4a57ab7c369b"));
SPWorkflow workflow = item.Workflows[0];
SPWorkflowTask task = workflow.Tasks[0];
Hashtable ht = new Hashtable();
ht[SPBuiltInFieldId.Completed] = "TRUE";
ht["Completed"] = "TRUE";
ht[SPBuiltInFieldId.PercentComplete] = 1.0f;
ht["PercentComplete"] = 1.0f;
ht["Status"] = "Completed";
ht[SPBuiltInFieldId.TaskStatus] = SPResource.GetString(new CultureInfo((int)task.Web.Language, false), Strings.WorkflowStatusCompleted, new object[0]);
//ht["TaskStatus"] = "#";
//ht["ows_TaskStatus"] = "Approved";
//ht["FormData"] = SPWorkflowStatus.Completed;
//ht["Outcome"] = "Approved";
//task.ModerationInformation.Status = SPModerationStatusType.Approved;
web.AllowUnsafeUpdates = true;
SPWorkflowTask.AlterTask((task as SPListItem), ht, true);
}
推荐答案
经过大量的试验和调查，我才让以下代码工作来批准任务
After a lot of trials and investigation I just had the following code working to approve the task
SPSite site = new SPSite("http://servername/");
using (SPWeb web = site.OpenWeb())
{
SPList list = web.Lists["TestList"];
SPListItem item = list.GetItemById(22);
SPWorkflow workflow = item.Workflows[0];
SPWorkflowTask task = workflow.Tasks[0];
Hashtable ht = new Hashtable();
ht[SPBuiltInFieldId.Completed] = "TRUE";
ht["Completed"] = "TRUE";
ht[SPBuiltInFieldId.PercentComplete] = 1.0f;
ht["PercentComplete"] = 1.0f;
ht["Status"] = "Completed";
ht[SPBuiltInFieldId.TaskStatus] = SPResource.GetString(new CultureInfo((int)task.Web.Language, false), Strings.WorkflowStatusCompleted, new object[0]);
ht[SPBuiltInFieldId.WorkflowOutcome] = "Approved";
ht["TaskStatus"] = "Approved";
ht["FormData"] = SPWorkflowStatus.Completed;
web.AllowUnsafeUpdates = true;
SPWorkflowTask.AlterTask((task as SPListItem), ht, true);
}
我怀疑 ht["TaskStatus"] = "Approved"; 是解决它的属性.无论如何，我将尝试缩小需要更改的属性集.
I suspect that ht["TaskStatus"] = "Approved"; is that attribute that solved it. Anyway I will try to narrow on the set of properties that need to be changed.
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