项目总结[2]_svg+ajax+webservice+pSpace sdk实现实时数据的web展示

1.使用svg实现组态画面和动态数据展示

通过js的定时器调用webservice方法获取数据后更新节点数据

  /// <summary>启动定时刷新</summary>
        function Start() {
            InitSvgElement();
            this.timer = setInterval("GetTagValues()", 1000);
        }

        /// <summary>启动定时刷新</summary>
        function Stop() {
            clearInterval(this.timer);
        }

初始化svg的节点变量

  /// <summary>初始化SVG元素</summary>
        function InitSvgElement() {
            this.svgDoc = document.getElementById('svgDoc').getSVGDocument();
            this.svgRoot = this.svgDoc.documentElement;
            this.svg_jzwd = this.svgDoc.getElementById("tspan-jzwd");
            this.svg_jzyl = this.svgDoc.getElementById("tspan-jzyl");
            this.svg_czyl = this.svgDoc.getElementById("tspan-czyl");
            this.svg_czwd = this.svgDoc.getElementById("tspan-czwd");
            this.svg_yl = this.svgDoc.getElementById("tspan-yl");
            this.svg_wd = this.svgDoc.getElementById("tspan-wd");
            this.svg_yll = this.svgDoc.getElementById("rect-ylg");
        }

通过ajax访问webservice

 /// <summary>获取测点数据</summary>
        function GetTagValues() {

            try {

                $.ajax({
                    type: "POST",
                    url: "../PsWebService.asmx/GetTagValues",
                    data: { ip: ip, port: port, tagNames: tags },
                    dataType: 'xml',
                    error: function (request) {
                        alert("调用webService异常");
                    },
                    success: function (msg) {
                        var tagValueJSON = $(msg).find("string").text();
                        UpdateTagLables(tagValueJSON);
                    }
                });
            } catch (e) {
                alert(e.Message);
            }
        }

GetTagValues

更新节点变量的值

  /// <summary>更新标签数据</summary>
        function UpdateTagLables(valueJSON) {
            var tagValueArray = eval('(' + valueJSON + ')');
            if (tagValueArray.length != 6) {
                // alert("数据长度不足,请按照顺序设置测点!" + tagValueArray.length);
                return;
            }
            else {
                this.SetElementValue(this.svg_jzwd, tagValueArray[0].Value, " ℃");
                this.SetElementValue(this.svg_jzyl, tagValueArray[1].Value, " MPa");
                this.SetElementValue(this.svg_czwd, tagValueArray[2].Value, " ℃");
                this.SetElementValue(this.svg_czyl, tagValueArray[3].Value, " MPa");
                this.SetElementValue(this.svg_wd, tagValueArray[4].Value, " ℃");
                this.SetElementValue(this.svg_yl, tagValueArray[5].Value, " MPa");

                var yl = (tagValueArray[5].Value / 1000) * 68; //当前值除以量程(1000)得到百分比,然后乘以压力计的最大宽度得出实际应该显示的高度
                yl = CurrencyFormatted(yl);
                this.svg_yll.setAttributeNS(null, "width", yl);

            }

        }

/// <summary>设置元素值,数据进行格式化保留两位小数</summary>
        function SetElementValue(element, value, unit) {
            var newValue = CurrencyFormatted(value);
            if ($.browser.msie&&$.browser.version=="8.0") {  //IE 下的写法
                element.getFirstChild().setNodeValue(newValue + unit);
            }
            if ($.browser.msie && $.browser.version == "9.0") {  //IE 下的写法
                element.firstChild.textContent = newValue + unit;
            }
            if ($.browser.msie && $.browser.version == "10.0") {  //IE 下的写法
                element.firstChild.textContent = newValue + unit;
            }
            if ($.browser.chrome) {  //Chrome下的写法
                element.firstChild.textContent = newValue + unit;
            }
            else {
                element.firstChild.textContent = newValue + unit;
            }
        }

UpdateTagLables

2.webservice方法调用pSpace的sdk类库获取数据

    [WebMethod]
    public string GetTagValues(string ip, string port, string tagNames)
    {
        try
        {
            //\TestTag\mnl_1
            List<PsPointValue> list = new List<PsPointValue>();
            PsApi api = new PsApi();
            api.Init(ip, port, "admin", "admin888");
            if (api.Conn())
            {
                PsPointValue ps = new PsPointValue();
                string[] tagNameArray = tagNames.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                list = api.GetDataSnapshot(tagNameArray);
                api.DisConn();
            }

            return JsonConvert.SerializeObject(list);
        }
        catch (Exception ex)
        {
            return ex.Message;
        }
    }

WebMethod GetTagValues

/// <summary>
/// pSpaceCTL.NET.dll 的接口服务封装
/// </summary>
public class PsApi : IDisposable
{
    #region 属性

    /// <summary>
    /// IP地址
    /// </summary>
    public string IP
    {
        get;
        set;
    }

    /// <summary>
    /// 是否空闲
    /// </summary>
    public bool IsFree
    {
        get;
        set;
    }

    /// <summary>
    /// 数据库连接信息
    /// </summary>
    public DbConnector Dbconn
    {
        get;
        private set;
    }

    /// <summary>
    /// 测点树
    /// </summary>
    public TagTree TagTree
    {
        get;
        private set;

    }

    /// <summary>
    /// 根节点
    /// </summary>
    public TagNode RootNode
    {
        get;
        private set;
    }

    /// <summary>
    /// 测点管理类
    /// </summary>
    public TagManager TagManager
    {
        get;
        private set;
    }

    /// <summary>
    /// 实时数据变更订阅器类
    /// </summary>
    public RealSubscriber RealDataSubScriber
    {
        get;
        private set;
    }

    /// <summary>
    /// 最后的异常
    /// </summary>
    public PsApiException LastError
    {
        get;
        private set;
    }

    #endregion

    #region 事件

    public event Action<PsApiException> OnPsApiException;

    #endregion

    #region Init()
    /// <summary>
    /// 初始化PsServer连接属性
    /// 注:从app.config文件读取PsServerIP、PsServerPort、PsServerUser、PsServerUserPwd 属性
    /// </summary>
    public void Init()
    {

        string ip = ConfigurationManager.AppSettings["PsServerIP"];
        string port = ConfigurationManager.AppSettings["PsServerPort"];
        string user = ConfigurationManager.AppSettings["PsServerUser"];
        string pwd = ConfigurationManager.AppSettings["PsServerUserPwd"];
        this.Init(ip, port, user, pwd);
    }

    /// <summary>
    /// 初始化PsServer连接属性
    /// </summary>
    /// <param name="ip">PsServer 地址</param>
    /// <param name="port">PsServer 端口</param>
    /// <param name="user">用户名</param>
    /// <param name="userPwd">密码</param>
    public void Init(string ip, string port, string user, string userPwd)
    {
        if (ip.Trim().Equals(""))
            throw new ArgumentException("参数不能为空", "ip", null);
        if (port.Trim().Equals(""))
            throw new ArgumentException("参数不能为空", "port", null);
        if (user.Trim().Equals(""))
            throw new ArgumentException("参数不能为空", "user", null);
        if (userPwd.Trim().Equals(""))
            throw new ArgumentException("参数不能为空", "userPwd", null);
        this.IP = ip;
        this.Dbconn = new DbConnector();
        this.Dbconn.UserName = user;
        this.Dbconn.Password = userPwd;
        this.Dbconn.ServerName = ip + ":" + port;

    }
    #endregion

    #region Conn() and  DisConn()
    /// <summary>
    /// 连接psServer
    /// </summary>
    /// <returns>True:成功,False：失败</returns>
    public bool Conn()
    {
        try
        {
            Common.StartAPI();
            if (this.Dbconn.IsConnected())
                this.Dbconn.Disconnect();
            this.Dbconn.CanReconnect = false; //不自动重连
            DbError dbError = this.Dbconn.Connect();
            if (dbError.HasErrors)
            {
                this.LastError = new PsApiException(dbError.ErrorMessage + "(" + this.Dbconn.ServerName + ")", null);
                return false;
            }
            else
            {
                this.TagTree = TagTree.CreateInstance(this.Dbconn);
                this.RootNode = this.TagTree.GetTreeRoot();
                this.RealDataSubScriber = new RealSubscriber();
                return true;
            }

        }
        catch (Exception ex)
        {
            this.LastError = new PsApiException("连接psServer失败", ex);
            return false;
        }
    }

    /// <summary>
    /// 是否已经连接
    /// </summary>
    /// <returns></returns>
    public bool IsConnected()
    {
        return this.Dbconn.IsConnected();
    }

    /// <summary>
    /// 断开连接
    /// </summary>
    /// <returns>
    /// True:成功,False：失败
    /// </returns>
    public bool DisConn()
    {
        if (this.Dbconn.IsConnected())
        {
            try
            {
                this.Dbconn.Disconnect();
                Common.StopAPI();
                return true;
            }
            catch (Exception)
            {
                return false;
            }
        }
        return true;
    }
    #endregion

    #region GetAllTags()
    /// <summary>
    /// 获取所有节点
    /// </summary>
    public List<PsPointInfo> GetAllTags()
    {
        if (this.RootNode == null)
            throw new Exception("根节点未实例化");
        TagVector tagList = this.RootNode.GetSubTags(true);//从根节点获取所有子节点
        List<PsPointInfo> pointList = new List<PsPointInfo>();
        for (int i = ; i < tagList.Count; i++)
        {
            TagNode node = tagList[i] as TagNode;

            if (node == null)
                continue;
            PsPointInfo info = new PsPointInfo()
            {
                TagId = node.TagId,
                ParentTagId = (uint)node.Properties["ParentId"],
                Unit = node.Properties.ContainsKey("EngineeringUnit") ? node.Properties["EngineeringUnit"].ToString() : "",
                Name = node.TagName,
                LongName = node.TagLongName,
                Desc = node.Properties["Description"].ToString(),
                IsNode = (bool)node.Properties["IsNode"]
            };
            pointList.Add(info);
        }
        return pointList;
    }

    /// <summary>
    /// 获取所有测点
    /// </summary>
    /// <param name="parentTagLongName">上级节点."0"或""表示根节点</param>
    /// <param name="allLevel"></param>
    /// <returns></returns>
    public TagVector GetSubTags(string parentTagLongName, bool allLevel)
    {
        if (this.RootNode == null)
            throw new Exception("根节点未实例化");
        TagVector tagList = null;
        if (parentTagLongName == "" || parentTagLongName == "")
            tagList = this.RootNode.GetSubTags(allLevel);//从根节点获取所有子节点
        else
        {
            TagNode parentTag = this.RootNode.SelectSingleNode(parentTagLongName + "@LongName") as TagNode;
            if (parentTag != null)
                tagList = parentTag.GetSubTags(allLevel);//从根节点获取所有子节点
        }
        return tagList;
    }

    /// <summary>
    /// 根据测点标识获取测点
    /// </summary>
    /// <param name="tagIdsLongList">测点标识列表, 测点要大于uint.MinValu,小于 uint.MaxValue</param>
    /// <returns></returns>
    public TagVector GetTags(List<long> tagIdsLongList)
    {
        List<uint> tagIdsIntList = new List<uint>();
        foreach (long tagIds in tagIdsLongList)
        {
            if (tagIds >= uint.MinValue && tagIds <= uint.MaxValue)
            {
                tagIdsIntList.Add((uint)tagIds);
            }
        }
        List<PropField> list = new List<PropField>();
        TagManager tmg = new TagManager(this.TagTree);//测点管理器         

        return tmg.GetTagListById(tagIdsIntList, list);
    }

    /// <summary>
    /// 获取节点列表
    /// </summary>
    /// <param name="tagLongName"></param>
    /// <returns></returns>
    public List<ITag> GetTags(List<string> tagLongName)
    {
        List<ITag> list = new List<ITag>();
        foreach (string tagName in tagLongName)
        {
            ITag tag = this.RootNode.SelectSingleNode(tagName + "@LongName");

            if (tag != null)
                list.Add(tag);
        }
        return list;
    }

    /// <summary>
    /// 根据测点标识获取测点
    /// </summary>
    /// <param name="tagId"></param>
    /// <returns></returns>
    public ITag GetTag(uint tagId)
    {
        TagManager tmg = new TagManager(this.TagTree);//测点管理器
        List<PropField> list = new List<PropField>();
        PropField aa = new PropField();
        // AnalogTagElement tag=this.TagTree.CreateTag<AnalogTagElement>("");

        AnalogTagElement tag = tmg.GetTagById(tagId, list) as AnalogTagElement;

        AnalogTagElement tag2 = tmg.GetTagById(tagId, tag.TagType.PropFields) as AnalogTagElement;

        return tag;
    }

    /// <summary>
    /// 判断节点是否存在
    /// </summary>
    /// <param name="tagLongName">节点长名</param>
    /// <returns></returns>
    public bool ExistTagNode(string tagLongName)
    {
        return this.RootNode.SelectSingleNode(tagLongName + "@LongName") is TagNode;
    }

    /// <summary>
    /// 判断节点是否存在
    /// </summary>
    /// <param name="tagLongName">节点长名</param>
    /// <returns></returns>
    public bool FindNode(string tagLongName)
    {
        ITag tag = this.RootNode.SelectSingleNode(tagLongName + "@LongName");

        //AnalogTagElement aa = tag as AnalogTagElement;
        DigitalTagElement aa = tag as DigitalTagElement;
        StringBuilder sb = new StringBuilder();
        StringBuilder sb2 = new StringBuilder();
        for (int i = ; i < aa.TagType.PropFields.Count; i++)
        {
            pSpaceCTLNET.PropField pro = aa.TagType.PropFields[i];
            sb.AppendFormat("PropId:{0}      PropDesc:{1}        PropName:{2}        ReadOnly:{3}         DataType:{4}", pro.PropId, pro.PropDesc, pro.PropName, pro.ReadOnly, pro.DataType);
            sb.AppendLine();

        }

        for (int i = ; i < aa.TagType.PropFields.Count; i++)
        {
            pSpaceCTLNET.PropField pro = aa.TagType.PropFields[i];
            //  sb2.AppendFormat("dic.Add(\"{0}\", this.{0}); //{1}",pro.PropName,pro.DataType);

            sb2.AppendLine(" /// <summary>");
            sb2.AppendFormat(" /// {0}", pro.PropDesc);
            sb2.AppendLine();
            sb2.AppendLine(" /// </summary>");
            sb2.AppendFormat(" public {0} {1};", pro.DataType, pro.PropName);
            sb2.AppendLine();
            sb2.AppendLine();
        }
        string str2 = sb2.ToString();

        string str = sb.ToString();

        return true;
    }

    #endregion

    #region  Ps6服务器数据点操作
    #region 添加根节点
    /// <summary>
    /// 创建或查询节点
    /// 如果
    /// </summary>
    /// <param name="parentTagID">父节点长名,为空时创建根节点</param>
    /// <param name="tagName">长名</param>
    /// <param name="desc">长名描述</param>
    /// <returns>0:创建失败 大于0:创建成功,为TagId</returns>
    public TagNode CreateOrFindTagNode(uint parentTagID, string tagName, string desc)
    {
        try
        {
            TagNode tagNode = null;
            if (parentTagID == )
            {
                tagNode = this.RootNode.SelectSingleNode(tagName + "@LongName") as TagNode;
                if (tagNode != null)
                    return tagNode;
                tagNode = this.TagTree.CreateTag<TagNode>(tagName);
                tagNode.Properties["Description"] = desc;
                if (this.RootNode.AppendChild(tagNode) == )
                    return tagNode;
                else
                    return null;
            }
            else
            {
                TagManager tmg = new TagManager(this.TagTree);//测点管理器
                List<PropField> list = new List<PropField>();
                TagNode parentTag = tmg.GetTagById(parentTagID, list) as TagNode;
                if (parentTag == null)
                    throw new ArgumentException("父节点不存在", parentTagID.ToString());
                tagNode = this.TagTree.CreateTag<TagNode>(tagName);
                tagNode.Properties["Description"] = desc;

                if (tmg.AddTag(parentTag, tagNode) == )
                    return tagNode;
                else
                    return null;
            }
        }
        catch (Exception ex)
        {
            throw new Exception("CreateOrFindTagNode Exception", ex);
        }
    }

    /// <summary>
    /// 创建数据点
    /// </summary>
    /// <param name="parentTagName"></param>
    /// <param name="tagType"></param>
    /// <param name="tagName"></param>
    /// <param name="attributes"></param>
    /// <returns></returns>
    public ITag CreateTag(TagNode parentTag, string tagType, string tagName, Dictionary<string, object> attributes)
    {

        try
        {
            string longTagName = parentTag == null ? tagName : parentTag.TagLongName + "\\" + tagName;
            if (parentTag == null)
                parentTag = this.RootNode;
            longTagName = longTagName.Replace("/", "");
            ITag newTag = null;
            ITag oldTag = null;
            if (tagType == "psAnalog")
            {
                oldTag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as AnalogTagElement;
                if (oldTag == null)
                    newTag = this.TagTree.CreateTag<AnalogTagElement>(tagName);
            }
            else if (tagType == "psDigital")
            {
                oldTag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as DigitalTagElement;
                if (oldTag == null)
                    newTag = this.TagTree.CreateTag<DigitalTagElement>(tagName);
            }
            else if (tagType == "psStringType")
            {
                oldTag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as StringTagElement;
                if (oldTag == null)
                    newTag = this.TagTree.CreateTag<StringTagElement>(tagName);
            }
            if (oldTag == null)
            {
                foreach (string key in attributes.Keys)
                {
                    newTag[key] = attributes[key];
                }
                TagManager tmg = new TagManager(this.TagTree);
                if (tmg.AddTag(parentTag, newTag) == )
                {
                    newTag = tmg.GetTagById(newTag.TagId, newTag.TagType.PropFields); //添加成功后接着查询
                }
            }
            else
            {
                TagManager tmg = new TagManager(this.TagTree);
                newTag = tmg.GetTagById(oldTag.TagId, oldTag.TagType.PropFields); //添加成功后接着查询
            }

            return newTag;
        }
        catch (Exception ex)
        {
            throw new Exception("CreateTag Error:" + ex.Message);
        }
    }

    /// <summary>
    /// 设置测点属性
    /// </summary>
    /// <param name="parentTag"></param>
    /// <param name="tagType"></param>
    /// <param name="tagID"></param>
    /// <param name="tagName"></param>
    /// <param name="attributes"></param>
    /// <returns></returns>
    public ITag SetTagProperties(string tagType, uint tagID, string tagName, Dictionary<string, object> attributes)
    {
        try
        {
            TagManager tmg = this.TagTree.GetMgr();
            ITag newTag = null;
            List<PropField> list = new List<PropField>();

            if (tmg.IsTagExist(tagID))
            {
                ITag tag = tmg.GetTagById(tagID, list);
                tag.TagName = tagName;
                if (tagType == "psAnalog")
                    newTag = this.TagTree.CreateTag<AnalogTagElement>(tagName);
                else if (tagType == "psDigital")
                    newTag = this.TagTree.CreateTag<DigitalTagElement>(tagName);
                else if (tagType == "psStringType")
                    newTag = this.TagTree.CreateTag<StringTagElement>(tagName);
                foreach (string key in attributes.Keys)
                {
                    tag[key] = attributes[key];
                }
                tmg.SetTagProperties(tag, newTag.TagType.PropFields);

                newTag = tmg.GetTagById(tagID, newTag.TagType.PropFields);
            }
            return newTag;
        }
        catch (Exception ex)
        {
            throw new Exception("设置测点属性失败:" + ex.Message);
        }
    }

    /// <summary>
    /// 删除测点
    /// </summary>
    /// <param name="tagID">测点标识</param>
    /// <returns>成功时返回0,失败时返回-1</returns>
    public int RemoveTag(uint tagID)
    {
        try
        {
            TagManager tmg = this.TagTree.GetMgr();
            List<PropField> list = new List<PropField>();
            if (tmg.IsTagExist(tagID))
            {
                ITag tag = tmg.GetTagById(tagID, list);
                return tmg.RemoveTag(tag);
            }
            return -;

        }
        catch (Exception ex)
        {
            throw new Exception("CreateTag Error:" + ex.Message);
        }
    }

    #endregion

    #region 添加模拟量测点

    #endregion

    #region 添加开关量测点
    /// <summary>
    /// 向服务器添加一个开关量测点
    /// </summary>
    /// <param name="psTagPointInfo">测点参数类</param>
    /// <returns></returns>
    public bool AddDigitalTag(PsTagPointInfo psTagPointInfo)
    {
        DigitalTagElement digitalTag = new DigitalTagElement();
        TagNode test_Tag = this.RootNode.SelectSingleNode(psTagPointInfo.ParentTagName + "@LongName") as TagNode;
        if (test_Tag == null)
            throw new Exception("根节点不存在");
        try
        {
            // 创建一个开关量测点
            digitalTag = this.TagTree.CreateTag<DigitalTagElement>(psTagPointInfo.TagName);
            digitalTag["His_IsSave"] = psTagPointInfo.His_IsSave;//是否保存历史
            digitalTag["EnableAlarm"] = psTagPointInfo.EnableAlarm;//是否报警
        }
        catch (DbException ex)
        {
            throw new Exception("创建模拟量测点失败！" + ex.Message);
        }
        TagManager tmg = new TagManager(this.TagTree);//测点管理器
        int result = tmg.AddTag(test_Tag, digitalTag);//向服务器添加一个测点
        if (result == )
            return true;
        else if (result == -)
            throw new Exception("测点已存在！");
        return true;
    }
    #endregion

    #region 根据指定测点，删除节点及其子节点
    /// <summary>
    /// 根据指定测点，删除节点及其子节点
    /// </summary>
    /// <param name="tagName"></param>
    /// <returns></returns>
    public bool DeleteTagPoint(string tagName)
    {
        TagNode test_Tag = this.RootNode.SelectSingleNode(tagName + "@LongName") as TagNode;
        if (test_Tag == null)
            throw new Exception("根节点不存在");
        int result = test_Tag.RemoveTag(test_Tag); //从服务器删除指定测点或节点，当前删除根节点及其子节点
        if (result == )
            return true;
        else
            throw new Exception("删除测点失败！");
    }
    #endregion

    #region 修改测点属性
    /// <summary>
    /// 修改测点的属性
    /// </summary>
    /// <param name="psTagPointInfo">测点信息</param>
    /// <returns></returns>
    public bool updateTagProperties(PsTagPointInfo psTagPointInfo)
    {
        AnalogTagElement analogTag = new AnalogTagElement();

        TagNode test_Tag = this.RootNode.SelectSingleNode(psTagPointInfo.ParentTagName + "@LongName") as TagNode;
        if (test_Tag == null)
            throw new Exception("根节点不存在");
        test_Tag.Properties["PV_Quality"] = QUALITY_MASK.GOOD;//质量戳 192 =Good
        test_Tag.Properties["His_IsSave"] = psTagPointInfo.His_IsSave;//是否保存历史
        test_Tag.Properties["His_CompressMode"] = psTagPointInfo.His_CompressMode;   // 旋转门压缩
        test_Tag.Properties["His_IsCompressRatePercentage"] = psTagPointInfo.His_IsCompressRatePercentage; // 是否使用百分比
        test_Tag.Properties["His_CompressRate"] = psTagPointInfo.His_CompressRate; //  压缩率为10%
        test_Tag.Properties["EnableAlarm"] = psTagPointInfo.EnableAlarm;//是否报警
        test_Tag.Properties["RangeMinimum"] = psTagPointInfo.RangeMinimum; // 量程下限
        test_Tag.Properties["RangeMaximum"] = psTagPointInfo.RangeMaximum;  // 量程上限
        test_Tag.Properties["Desc"] = psTagPointInfo.Desc;                   //描述
        //更新测点所有属性
        int t = test_Tag.Update();
        if (t == )
            return true;
        else
            return false;
    }
    #endregion

    #region 根据点长名获取实时值
    /// <summary>
    /// 根据点长名获取实时值
    /// </summary>
    /// <param name="longTagName">点长名</param>
    /// <returns></returns>
    public PsPointValue GetDataSnapshot(string longTagName)
    {
        ITag tag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as ITag;
        if (tag == null)
            return null;
        RealHisData data = DataIO.Snapshot(this.Dbconn, tag as ITagElement);
        return new PsPointValue() { Time = data.TimeStamp, Value = (short)(char)data.Value };
    }

    /// <summary>
    /// 根据点长名获取实时值
    /// </summary>
    /// <param name="longTagName">点长名</param>
    /// <returns></returns>
    public List<PsPointValue> GetDataSnapshot(string[] tagLongNameArray)
    {
        List<PsPointValue> psPointValueList = new List<PsPointValue>();
        TagVector vector = new TagVector();
        for (int i = ; i < tagLongNameArray.Length; i++)
        {
            ITag tag = this.RootNode.SelectSingleNode(tagLongNameArray[i] + "@LongName") as ITag;
            if (tag == null)
                throw new ArgumentException(string.Format("测点{0}不存在", tagLongNameArray[i]));
            vector.Add(tag);
        }
        RealDataSet ds = new RealDataSet();
        BatchResults data = DataIO.Snapshot(this.Dbconn, vector, ds);
        for (int i = ; i < ds.Count; i++)
        {
            psPointValueList.Add(new PsPointValue() { TagName = tagLongNameArray[i], Time = ds[i].TimeStamp, Value = ds[i].Value.ToString() });
        }
        return psPointValueList;

    }

    #endregion

    #region 根据点长名获取历史值
    /// <summary>
    /// 读历史值   返回String类型值
    /// </summary>
    public string ReadRawData(string longTagName, DateTime StartTime, DateTime EndTime)
    {
        DateTime[] times = new DateTime[] { StartTime, EndTime };
        string result = "";
        ITag tag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as ITag;
        if (tag != null)
        {
            //添加模拟点
            TagVector tagVector = new TagVector();   //模拟测点集合
            tagVector.Add(tag);
            HisDataSet hisDataSet = new HisDataSet();
            //批量操作的结果集类
            BatchResults batchResults = DataIO.ReadRaw(this.Dbconn, tagVector, StartTime, EndTime, hisDataSet);
            //插入历史数据
            int totalCount = ;
            foreach (TagHisValues val in hisDataSet)
            {
                for (int i = ; i < val.Data.Count; i++)
                {
                    string timeStamp = val.Data[i].TimeStamp.ToString();
                    object value = val.Data[i].Value != null ? val.Data[i].Value : "";
                    result += "TimeStamp:" + timeStamp + ",Value:" + value + ";";
                }
                //计数
                totalCount += val.Data.Count;
            }
            result = string.Format("结果：{0}, 共{1}条记录，用时：{2}秒,历史值：{3}", !batchResults.HasErrors, totalCount, (EndTime - StartTime).TotalMilliseconds.ToString(), result);
        }
        return result;
    }

    /// <summary>
    /// 获取历史值 返回Dictionary
    /// </summary>
    /// <param name="longTagName"></param>
    /// <param name="StartTime"></param>
    /// <param name="EndTime"></param>
    /// <returns></returns>
    public Dictionary<DateTime, string> ReadRawData1(string longTagName, DateTime StartTime, DateTime EndTime)
    {
        Dictionary<DateTime, string> dic = new Dictionary<DateTime, string>();
        DateTime[] times = new DateTime[] { StartTime, EndTime };
        string result = "";
        ITag tag = this.RootNode.SelectSingleNode(longTagName + "@LongName") as ITag;
        if (tag != null)
        {
            //添加模拟点
            TagVector tagVector = new TagVector();   //模拟测点集合
            tagVector.Add(tag);
            HisDataSet hisDataSet = new HisDataSet();
            //批量操作的结果集类
            BatchResults batchResults = DataIO.ReadRaw(this.Dbconn, tagVector, StartTime, EndTime, hisDataSet);
            //插入历史数据
            int totalCount = ;
            foreach (TagHisValues val in hisDataSet)
            {
                for (int i = ; i < val.Data.Count; i++)
                {
                    DateTime timeStamp = val.Data[i].TimeStamp;
                    object value = val.Data[i].Value != null ? val.Data[i].Value : "";
                    string value1 = Convert.ToString(value);
                    result += "TimeStamp:" + timeStamp + ",Value:" + value + ";";
                    dic.Add(timeStamp, value.ToString());
                }
                //计数
                totalCount += val.Data.Count;
            }
            result = string.Format("结果：{0}, 共{1}条记录，用时：{2}秒,历史值：{3}", !batchResults.HasErrors, totalCount, (EndTime - StartTime).TotalMilliseconds.ToString(), result);
        }
        return dic;
    }
    #endregion
    #endregion

    #region 报警事件管理
    #region 获取实时报警数据
    /// <summary>
    /// 获取实时报警数据
    /// </summary>
    /// <param name="tagName"></param>
    /// <returns></returns>
    public AlarmDataSet GetRealAlarmData(string tagId, string alarmTopic, string alarmLevel, bool isNoAck)
    {
        //实例化报警类
        DbAlarmIO dbAlarmIo = new DbAlarmIO();
        //实例化报警过滤器
        DbAlarmFilter alarmfilters = new DbAlarmFilter();
        AlarmDataSet alarmDataSet = new AlarmDataSet();
        uint uTagId = ;
        if (uint.TryParse(tagId, out uTagId))
            alarmfilters.TagId = uTagId;
        uint uAlarmTopic = ;
        if (uint.TryParse(alarmTopic, out uAlarmTopic))
            alarmfilters.AlarmTopic = (DbAlarmTopicEnum)uAlarmTopic;

        byte bAlarmLevel = ;
        if (byte.TryParse(alarmLevel, out bAlarmLevel))
        {
            alarmfilters.AlarmLowLevel = bAlarmLevel;
            alarmfilters.AlarmHighLevel = bAlarmLevel;
        }

        if (isNoAck)
            alarmfilters.bAlarmHaveAcked = false;

        //填充报警集合
        dbAlarmIo.Alarm_Real_Query(this.Dbconn, alarmfilters, alarmDataSet);
        return alarmDataSet;
    }

    /// <summary>
    /// 获取实时报警数据
    /// </summary>
    /// <param name="tagName"></param>
    /// <returns></returns>
    public AlarmDataSet GetRealAlarmData()
    {
        //实例化报警类
        DbAlarmIO dbAlarmIo = new DbAlarmIO();
        //实例化报警过滤器
        DbAlarmFilter alarmfilters = new DbAlarmFilter();
        AlarmDataSet alarmDataSet = new AlarmDataSet();
        //填充报警集合
        dbAlarmIo.Alarm_Real_Query(this.Dbconn, alarmfilters, alarmDataSet);
        return alarmDataSet;
    }

    #endregion

    #region 获取历史报警数据
    /// <summary>
    /// 获取历史报警数据
    /// </summary>
    /// <param name="longTagName">点长名</param>
    /// <param name="startTime">开始时间</param>
    /// <param name="endTime">结束时间</param>
    /// <returns></returns>
    public AlarmDataSet GetHisAlarmData(DateTime startTime, DateTime endTime, string tagId, string alarmTopic, string alarmLevel, bool isNoAck)
    {
        //实例化报警类
        DbAlarmIO dbAlarmIo = new DbAlarmIO();
        //实例化报警过滤器
        DbAlarmFilter alarmfilters = new DbAlarmFilter();
        AlarmDataSet alarmDataSet = new AlarmDataSet();
        uint uTagId = ;
        if (uint.TryParse(tagId, out uTagId))
            alarmfilters.TagId = uTagId;
        uint uAlarmTopic = ;
        if (uint.TryParse(alarmTopic, out uAlarmTopic))
            alarmfilters.AlarmTopic = (DbAlarmTopicEnum)uAlarmTopic;

        byte bAlarmLevel = ;
        if (byte.TryParse(alarmLevel, out bAlarmLevel))
        {
            alarmfilters.AlarmLowLevel = bAlarmLevel;
            alarmfilters.AlarmHighLevel = bAlarmLevel;
        }

        if (isNoAck)
            alarmfilters.bAlarmHaveAcked = false;

        //填充报警集合
        dbAlarmIo.Alarm_His_Query(this.Dbconn, alarmfilters, startTime, endTime, alarmDataSet);

        return alarmDataSet;
    }
    #endregion

    #region 报警实时订阅
    /// <summary>
    /// 实时报警订阅
    /// </summary>
    public string RealSubScriber()
    {
        //初始化事件结束的通知
        AutoResetEvent realSubscriber_evt = new AutoResetEvent(false);
        //实时数据订阅器类
        RealSubscriber realSubscriber = new RealSubscriber();

        //将方法加入线程
        ThreadPool.QueueUserWorkItem(new WaitCallback(TestRealView), realSubscriber_evt);
        return "";
    }

    /// <summary>
    /// 实时报警订阅
    /// </summary>
    /// <param name="state"></param>
    public void TestRealView(object state)
    {

    }

    /// <summary>
    /// 实时报警订阅
    /// </summary>
    /// <param name="state"></param>
    public void TestRealView2(object state, string l)
    {
        //实时报警变更订阅器类
        RealSubscriber realSubScriber = new RealSubscriber();
        //测点树
        TagTree tagTree = TagTree.CreateInstance(this.Dbconn);
        //获得根节点
        TagNode root = tagTree.GetTreeRoot();
        //点表
        TagVector vector = new TagVector();
        //向点表添加测点
        vector.Add(root);
        //实时数据集
        RealDataSet realData = new RealDataSet();
        //根据点表创建订阅器
        realSubScriber.CreateAndRead(this.Dbconn, vector, realData);
        //创建检测测点是否变化的事件
        realSubScriber.RealDataChanged += new RealDataChangedEventHandler(realSubscriber_RealDataChanged);
        //测点有变化时通知
        realSubScriber.Enabled = true;
        //通知等待线程
        AutoResetEvent evt = (AutoResetEvent)state;
        //等待接收信号
        evt.WaitOne();
        //关闭订阅器
        realSubScriber.Close();
    }
    #endregion

    #endregion

    #region 实时数据订阅

    /// <summary>
    /// 启动实时数据的订阅
    /// </summary>
    /// <param name="tagLongNameList"></param>
    public void StartRealDataSubScriber(List<string> tagLongNameList)
    {
        //点表
        TagVector vector = new TagVector();
        List<ITag> list = this.GetTags(tagLongNameList);
        list.ForEach(q => vector.Add(q));
        //实时数据集
        RealDataSet realData = new RealDataSet();
        //根据点表创建订阅器
        this.RealDataSubScriber.CreateAndRead(this.Dbconn, vector, realData);
        //创建检测测点是否变化的事件
        this.RealDataSubScriber.RealDataChanged += new RealDataChangedEventHandler(realSubscriber_RealDataChanged);
    }

    /// <summary>
    /// 停止实时数据的订阅
    /// </summary>
    public void EndRealDataSubScriber()
    {
        this.RealDataSubScriber.RealDataChanged -= realSubscriber_RealDataChanged;
        this.RealDataSubScriber.Close();
    }

    /// <summary>
    /// 订阅报警事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="dataset"></param>
    public void realSubscriber_RealDataChanged(object sender, RealDataSet dataset)
    {
        StringBuilder sb = new StringBuilder();
        foreach (TagValue val in dataset)
        {
            sb.Append(val.TagId);
            sb.Append(":(");
            sb.Append(val.Value.ToString());
            sb.Append(",");
            sb.Append(val.TimeStamp.ToString());
            sb.Append(",");
            sb.Append(val.QualityStamp.ToString());
            sb.Append(")|");
        }
        //String.Format("检测到 {0}条实时值变化。{1}", dataset.Count, sb.ToString());
    }
    #endregion

    #region IDisposable 成员

    public void Dispose()
    {
        throw new NotImplementedException();
    }

    #endregion
}

pSpaceApi封装

如果是winform程序使用iocomp控件库实现组态界面比较方便。web程序中也可以使用html 5 去做，但电力、工业上使用svg的方案比较多。