OA系统

开发平台：
C#

MyInstance2.aspx.cs：源码内容
							﻿using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace OThinker.H3.Portal
{
    public partial class MyInstance2 : PortalPage
    {
        protected DataTable InstanceTable
        {
            get
            {
                return (DataTable)Session[OThinker.H3.WorkSheet.Sessions.GetMyWorkItemTable()];
            }
            set
            {
                Session[OThinker.H3.WorkSheet.Sessions.GetMyWorkItemTable()] = value;
            }
        }
        private OThinker.H3.Instance.InstanceState State
        {
            get
            {
                string state = System.Web.HttpUtility.UrlDecode(this.Request.QueryString[Param_State]);
                if (state == null || state == "")
                {
                    return OThinker.H3.Instance.InstanceState.Unfinished;
                }
                else
                {
                    return OThinker.H3.Instance.InstanceStateConvertor.ToState(state);
                }
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                // 工作流模板的包
                string[] packages = OThinker.H3.Server.Engine.WorkflowManager.GetWorkflowPackages();
                this.lstWorkflowPackage.Items.Add(new ListItem("所有", "All"));
                if (packages != null)
                {
                    foreach (string package in packages)
                    {
                        this.lstWorkflowPackage.Items.Add(package);
                    }
                }
                this.lstWorkflowPackage_SelectedIndexChanged(this, new EventArgs());
                // 设置搜索日期
                this.StartTime.TimeValue = System.DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0));
                this.EndTime.TimeValue = System.DateTime.Now.Add(new TimeSpan(1, 0, 0, 0));
                // 状态
                if (this.State == OThinker.H3.Instance.InstanceState.Unfinished)
                {
                    this.lstState.SelectedIndex = 1;
                }
                else
                {
                    this.lstState.SelectedIndex = 2;
                }
                // 搜索默认的工作项表
                // 查找我发起且未完成的流程表
                this.InstanceTable = Query.QueryInstance(
                    null,
                    new string[] { this.UserValidator.UserID },
                    null,
                    Instance.InstanceContext.UnspecifiedID,
                    this.State,
                    null,
                    null,
                    WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion,
                    System.DateTime.MinValue,
                    System.DateTime.MaxValue, 
                    null,
                    OThinker.H3.Instance.PriorityType.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified);
            }
            this.InstanceGridView.BindDataGrid(this.InstanceTable);
        }
        protected void lstWorkflowPackage_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.lstWorkflowName.Items.Clear();
            this.lstWorkflowName.Items.Add(new ListItem("所有", "All"));
            if (this.lstWorkflowPackage.SelectedItem != null)
            {
                string selectedPackage = this.lstWorkflowPackage.SelectedItem.Value;
                if (selectedPackage != null && selectedPackage != "" && selectedPackage != "All")
                {
                    string[] names = OThinker.H3.Server.Engine.WorkflowManager.GetWorkflowNames(selectedPackage, OThinker.H3.WorkflowTemplate.WorkflowState.Active);
                    if (names != null)
                    {
                        foreach (string name in names)
                        {
                            this.lstWorkflowName.Items.Add(name);
                        }
                    }
                }
            }
        }
        protected void btnSearch_Click(object sender, EventArgs e)
        {
            // 工作流模板参数
            string workflowPackage = null;
            string workflowName = null;
            if (this.lstWorkflowPackage.SelectedItem.Value == "All")
            {
            }
            else
            {
                workflowPackage = this.lstWorkflowPackage.SelectedItem.Value;
                if (this.lstWorkflowName.SelectedItem.Value == "All")
                {
                }
                else
                {
                    workflowName = this.lstWorkflowName.SelectedItem.Value;
                }
            }
            // 时间
            System.DateTime startTime = System.DateTime.MinValue;
            System.DateTime endTime = System.DateTime.MaxValue;
            try
            {
                startTime = this.StartTime.TimeValue;
            }
            catch
            {
            }
            try
            {
                endTime = System.DateTime.Parse(this.EndTime.Text);
            }
            catch
            {
            }
            // 状态
            Instance.InstanceState state = OThinker.H3.Instance.InstanceState.Unspecified;
            if (this.lstState.SelectedValue == "All")
            {
            }
            else if (this.lstState.SelectedValue == "Unfinished")
            {
                state = OThinker.H3.Instance.InstanceState.Unfinished;
            }
            else
            {
                state = OThinker.H3.Instance.InstanceState.Complete;
            }
            // 关键字
            string keyword = this.txtKeyword.Text == null ? null : this.txtKeyword.Text.Trim();
            if(keyword == null || keyword == "")
            {
                keyword = null;
            }
            if(this.lstScope.SelectedValue == "Originate" && keyword == null)
            {
            // 查找
            this.InstanceTable = Query.QueryInstance(
                null, 
                new string[]{this.UserValidator.UserID}, 
                null, 
                Instance.InstanceContext.UnspecifiedID, 
                state, 
                workflowPackage, 
                workflowName,
                WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion, 
                startTime, 
                endTime, 
                null,
                OThinker.H3.Instance.PriorityType.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified);
            }
            else if(this.lstScope.SelectedValue == "Handle" && keyword == null)
            {
                this.InstanceTable = Query.QueryHandledInstance(
                    workflowPackage,
                    workflowName, 
                    WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion,
                    state,
                    startTime,
                    endTime, 
                    this.UserValidator.UserID);
            }
            else if(this.lstScope.SelectedValue == "Originate" && keyword != null)
            {
                this.InstanceTable = Query.QueryInstance(
                    null, 
                    new string[]{this.UserValidator.UserID}, 
                    null, 
                    Instance.InstanceContext.UnspecifiedID, 
                    state, 
                    workflowPackage, 
                    workflowName,
                    WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion, 
                    startTime, 
                    endTime, 
                    keyword,
                    OThinker.H3.Instance.PriorityType.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified);
            }
            else if(this.lstScope.SelectedValue == "Handle" && keyword != null)
            {
                // 查找满足经办条件的
                string[] instances = OThinker.H3.Server.Engine.WorkItemManager.QueryHandledInstances(
                    null,
                    this.UserValidator.UserID,
                    OThinker.H3.WorkItem.WorkItemState.Unspecified);
                // 查找表
                this.InstanceTable = Query.QueryInstance(
                    instances,
                    null,
                    null, 
                    Instance.InstanceContext.UnspecifiedID,
                    state,
                    workflowPackage,
                    workflowName,
                    WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion,
                    startTime,
                    endTime, 
                    keyword,
                    OThinker.H3.Instance.PriorityType.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified,
                    OThinker.Data.BoolMatchValue.Unspecified);
            }
            else{
                throw new NotImplementedException();
            }
            this.InstanceGridView.BindDataGrid(this.InstanceTable);
        }
    }
}

						