/// <summary>
/// URL: /workflow/Instance/create/id
/// id: 模板ID
/// 发起流程
/// </summary>
/// <returns></returns>
public ActionResult create(string id)
{
using (MyDB mydb = new MyDB())
{
WFTemplate template = mydb.WFTemplates.Find(id);
WFNodeStart start = template.Nodes.OfType <WFNodeStart>().First();
WFNodeHandle next = start.Next as WFNodeHandle;
if (next is WFNodeHandle)
{
((WFNodeHandle)next).Actions.Select(a => a);
}
Type t = getType(template);
EntityObjectLib.WFInst inst = Activator.CreateInstance(t) as EntityObjectLib.WFInst;
inst.WFTemplate = template;
inst.State = "处理中";
inst.WFInstNodes = new WFInstNode[] {
new WFInstNode
{
WFNode = next,
State = "处理中",
EntryTime = DateTime.Now,
WFInst = inst
}
};
// 这里有一个设计约束:开始节点后一定是个处理节点
return(View("toHandle", inst.CurrentNode));
}
}
/// <summary>
/// URL: /workflow/Instance/handle
/// id: 流程实例节点ID
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public ActionResult handle()
{
string UserID = this.User.Identity.Name;
string TemplateID = Request.Form["TemplateID"];
string instNodeID = Request.Form["instNodeID"];
string nodeID = Request.Form["nodeID"];
string actionID = Request.Form["actionID"];
using (MyDB mydb = new MyDB())
{
WFInstNode instNode = mydb.WFInstNodes.FirstOrDefault(n => n.ID.Equals(instNodeID));
WFTemplate template = mydb.WFTemplates.Find(TemplateID);
Type t = getType(template);
if (instNode == null)
{
EntityObjectLib.WFInst inst = Activator.CreateInstance(t) as EntityObjectLib.WFInst;
//Object inst = Activator.CreateInstance(t);
foreach (string key in Request.Form.Keys)
{
PropertyInfo pi = t.GetProperty(key);
if (pi != null)
{
pi.SetValue(
inst,
//Request.Form[key],
Convert.ChangeType(Request.Form[key], pi.PropertyType.UnderlyingSystemType),
null);
}
}
inst.WFTemplate = template;
inst.State = "处理中";
inst.Creator = mydb.Users.Find(UserID);
inst.CreateTime = DateTime.Now;
instNode = new WFInstNode
{
ID = instNodeID,
WFNode = mydb.WFNodes.Find(nodeID),
State = "处理中",
EntryTime = DateTime.Now,
WFInst = inst,
WFInstNodeHandlers = new List <WFInstNodeHandler>()
{
new WFInstNodeHandler
{
Handler = mydb.Users.Find(UserID),
State = "待处理" //如果是"处理中",即表明一个人已经接收,准备处理,其他人不能处理
}
}
};
mydb.WFInstNodes.Add(instNode);
mydb.SaveChanges();
}
}
this.process(instNodeID, this.HttpContext);
return(View("handleSuccess"));
}