Asp.net工作流workflow实战之工作流启动与继续（三）
工作流帮助类：
//让工作流继续沿着书签的位置向下执行
value是向书签传递参数 wfc.ResumeBookmark(bookmarkName,value);
//把传过来的数据value作为输出参数outResult的值 传到书签外面其实执行这个函数
private void MyCallback(NativeActivityContext context, Bookmark bookmark, object value)
{
}
namespace EazyBPMS.WorkFlow { public class WorkFlowApplicationHelper { //创建工作流 public static WorkflowApplication CreateWorkflowApp(Activity activity,string instanceId, Dictionary<string, object> dictionary) { //每次点击的时候都会创建新的工作流实例 WorkflowApplication wfc = new WorkflowApplication(activity, dictionary); //WorkflowInvoker.Invoke(new DemoActivity()); wfc.Idle += a =>//监控，当工作流停下来的时候执行 { Console.WriteLine("工作流停下来了...."); }; //当工作流停顿下来了，进行什么操作，如果返回的是unload 就卸载当前工作流实例 持久化到数据库中 wfc.PersistableIdle = delegate (WorkflowApplicationIdleEventArgs e2) { Console.WriteLine("工作流被卸载了，进行持久化"); return PersistableIdleAction.Unload; }; //监听卸载事件 wfc.Unloaded += a => { Console.WriteLine("工作流被卸载了"); }; //当出现了未处理的异常的时候 wfc.OnUnhandledException += a => { return UnhandledExceptionAction.Terminate;//当出现异常的时候直接结束工作流 }; wfc.Aborted += a => { Console.WriteLine("工作流终止了"); }; //创建一个保存工作流实例的sqlstore对象 SqlWorkflowInstanceStore store = new SqlWorkflowInstanceStore(DbHelperSQL.connectionString); //当前工作实例持久化的时候保存到数据库中 wfc.InstanceStore = store; // wfApp.Id;//工作流实例id需要将此实例id保存到实例数据库中 EazyBPMS.BLL.eazy_wf_instance bll = new BLL.eazy_wf_instance(); EazyBPMS.Model.eazy_wf_instance model = bll.GetModel(Convert.ToInt32(instanceId)); model.WFApplicationId = wfc.Id; bll.Update(model); wfc.Run(); return wfc; } //继续往下执行工作流 public static WorkflowApplication ResumeBookMark(Activity activity,Guid InstanceId,string bookmarkName, BaseResumeBookMarkValue value) { //每次点击的时候都会创建新的工作流实例 WorkflowApplication wfc = new WorkflowApplication(activity); //WorkflowInvoker.Invoke(new DemoActivity()); wfc.Idle += a =>//监控，当工作流停下来的时候执行 { Console.WriteLine("工作流停下来了...."); }; //当工作流停顿下来了，进行什么操作，如果返回的是unload 就卸载当前工作流实例 持久化到数据库中 wfc.PersistableIdle = delegate (WorkflowApplicationIdleEventArgs e3) { Console.WriteLine("工作流被卸载了，进行持久化"); return PersistableIdleAction.Unload; }; //监听卸载事件 wfc.Unloaded += a => { Console.WriteLine("工作流被卸载了"); }; //当出现了未处理的异常的时候 wfc.OnUnhandledException += a => { return UnhandledExceptionAction.Terminate;//当出现异常的时候直接结束工作流 }; wfc.Aborted += a => { Console.WriteLine("工作流终止了"); }; //创建一个保存工作流实例的sqlstore对象 SqlWorkflowInstanceStore store = new SqlWorkflowInstanceStore(DbHelperSQL.connectionString); //当前工作实例持久化的时候保存到数据库中 wfc.InstanceStore = store; wfc.Load(InstanceId); //从数据库中加载工作流状态 //让工作流继续沿着书签的位置向下执行 wfc.ResumeBookmark(bookmarkName,value); return wfc; } } }
工作流启动：
protected void btnstart_Click(object sender, EventArgs e) { try { int i = 0; EazyBPMS.Web.UI.ManagePage bllmanage = new UI.ManagePage(); Model.manager currentusermodel = bllmanage.GetAdminInfo(); txttest.Text = currentusermodel.real_name; int currentUserId = currentusermodel.id; //1、将本页面的表单数据提交到表单实例表中（包括附件等等） eazy_wf_instance bll = new eazy_wf_instance(); EazyBPMS.Model.eazy_wf_instance model = new EazyBPMS.Model.eazy_wf_instance(); model.InstName = txtInstanceName.Text; model.InstanceForm = txtInstanceForm.InnerText; model.Remark = txtRemark.Text; model.SubBy = currentUserId; model.Status = (short)EazyEnums.WFInstanceStatusEnum.Running; model.WFApplicationId = Guid.Empty; model.WF_TempID = this.id; int instanceid= bll.Add(model); if (instanceid > 0) { i += 1; } //3、在步骤表中添加2个步骤：第一个为当前已经完成的步骤，第二个为下一步谁审批的步骤 EazyBPMS.BLL.eazy_wf_step stepBLL = new eazy_wf_step(); //第一个步骤 一个当前已经处理的完成步骤。 EazyBPMS.Model.eazy_wf_step startStep = new Model.eazy_wf_step(); startStep.WF_Instance = instanceid; startStep.Checktime = DateTime.Now; startStep.Comment = "任务表单提交"; startStep.DelFlag = del; startStep.IsEndStep = false; startStep.IsStartStep = true; startStep.ProcessBy = currentUserId; startStep.Remark = "朕对自己没意见，没备注。"; startStep.Result = "通过"; startStep.SubTime = DateTime.Now; startStep.StepName = "任务表单提交"; //此步骤为开始步骤状态为已经完成 startStep.Status = (short)EazyEnums.WFStepStatusEnum.End; int a= stepBLL.Add(startStep); if (a > 0) { i += 1; } //第二个步骤:下一步谁审批的步骤。 EazyBPMS.Model.eazy_wf_step nextStep = new Model.eazy_wf_step(); nextStep.WF_Instance = instanceid; nextStep.Checktime = DateTime.Now; nextStep.Comment = ""; nextStep.DelFlag = del; nextStep.IsEndStep = false; nextStep.IsStartStep = false; nextStep.ProcessBy = Convert.ToInt32(this.txtrenyuan.Text); nextStep.Remark = ""; nextStep.Result = ""; //此步骤为开始步骤状态为已经完成 nextStep.Status = (short)EazyEnums.WFStepStatusEnum.Running; int b=stepBLL.Add(nextStep); if (b > 0) { i += 1; } if (i == 3) { //2、启动工作流实例 var wfApp = WorkFlowApplicationHelper.CreateWorkflowApp(new Finance_Activity(), instanceid.ToString(), new Dictionary<string, object> { { "TempBookMarkName", "项目经理审批chao" } }); JscriptMsg("添加任务成功！", "mywork.aspx"); } else { JscriptMsg("添加任务失败！", "mywork.aspx"); } } catch (Exception ex) { JscriptMsg(ex.ToString(), "mywork.aspx"); } }
工作流继续：
protected void btnstart_Click(object sender, EventArgs e) { //EazyBPMS.Model.manager_role role = new Model.manager_role(); //EazyBPMS.BLL.manager_role rolebll = new BLL.manager_role(); if (isplay) { if (this.txtbumen.Text != "4") { IsPass = true; } else { IsPass = false; } } else { IsPass = true; } //通过 //首先更新当前步骤 EazyBPMS.BLL.eazy_wf_step stepBLL = new EazyBPMS.BLL.eazy_wf_step(); //第一个步骤 一个当前已经处理的完成步骤。 EazyBPMS.Model.eazy_wf_step currentStep = stepBLL.GetModel(this.StepId); //currentStep.WF_Instance = instanceid; currentStep.Checktime = DateTime.Now; currentStep.Comment = "提交审批表单"; currentStep.DelFlag = del; // currentStep.IsEndStep = false; currentStep.IsStartStep = false; //currentStep.ProcessBy = currentUserId; currentStep.Remark = "朕对自己没意见，没备注。"; currentStep.Result = "通过"; currentStep.SubTime = DateTime.Now; //currentStep.StepName = "项目经理审批"; //此步骤为开始步骤状态为已经完成 currentStep.Status = (short)EazyEnums.WFStepStatusEnum.End; stepBLL.Update(currentStep); if (isplay) { //第二个步骤:下一步谁审批的步骤。 EazyBPMS.Model.eazy_wf_step nextStep = new Model.eazy_wf_step(); nextStep.WF_Instance = this.id; nextStep.Checktime = DateTime.Now; nextStep.Comment = ""; nextStep.DelFlag = del; nextStep.IsStartStep = false; nextStep.ProcessBy = Convert.ToInt32(this.txtrenyuan.Text); nextStep.Remark = ""; nextStep.Result = ""; //此步骤为开始步骤状态为已经完成 nextStep.Status = (short)EazyEnums.WFStepStatusEnum.Running; stepBLL.Add(nextStep); } //让书签继续往下走 BaseResumeBookMarkValue value = new BaseResumeBookMarkValue(); value.BookMarkName = ""; value.value = IsPass ? 1 : 0;//通过为1不通过为-1 WorkFlowApplicationHelper.ResumeBookMark( new Finance_Activity(), this.wfAppId, currentStep.StepName, value); JscriptMsg("审批成功！", "waitwork.aspx"); }
