读取XML文件的节点

 /// <summary>
        /// 读取文件填充信息到对应的字段
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="dict"></param>
        /// <param name="hasDZP"></param>
        /// <param name="isJPBHINDZP">对照品选取条件</param>
        public bool ReadXmlFile(string filePath, Dictionary<string, string> dict, bool hasDZP, bool isJPBHINDZP)
        {
            bool flag = false;
            //要读取的是中文
            StreamReader reader = new StreamReader(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, filePath), Encoding.Default);
            XDocument xDoc = XDocument.Load(reader);

            //判断是否是支持Sequence的文件格式
            bool isSequence = IsSequence(xDoc);

            //将值填充到datagridview的列中
            if (isSequence)
            {
                #region 支持Sequence的文件格式
                flag =  ReadXMLFileOfSequence(xDoc);
                #endregion
            }
            else
            {
                #region 不支持Sequence的文件格式
                flag =  ReadXMLFileNoSequence(dict, xDoc, hasDZP, isJPBHINDZP);
                #endregion
            }
            
            if (reader != null) {
                reader.Close();
                reader.Dispose();
            }
            return flag;

        }

        /// <summary>
        /// 判断是否是支持Sequence的文件
        /// </summary>
        /// <param name="xDoc"></param>
        /// <param name="isSequence"></param>
        /// <returns></returns>
        public bool IsSequence(XDocument xDoc)
        {
            //1 要读取的文件有两种格式，根据是否有<xml>节点来判断
            bool isSequence = true;
            var queryNodes = (from nodes in xDoc.Document.Nodes() select nodes).Distinct();
            foreach (XNode node in queryNodes)
            {
                XElement xe = (XElement)node;
                if (xe.Name == "xml")
                {
                    isSequence = true;
                }
                if (xe.Name == "lims_results")
                {
                    isSequence = false;
                }
            }

            return isSequence;
        }

 

/// <summary>
        /// 读取支持Sequence的文件格式
        /// </summary>
        /// <param name="xDoc"></param>
        public bool ReadXMLFileOfSequence(XDocument xDoc)
        {
            bool flag = false;
            try
            {
                //对照品中在同一个test节点中testid是否存在的标记
                List<string> testList = new List<string>();
                #region 对照品
                for (int i = 0; i < ControlArticle_TestID_List.Count; i++)
                {
                    int indexIDControl = dataGridViewControlAtricle.Rows.Count;
                    int rowCountControl = indexIDControl;
                    var testArticlequery = (from element in xDoc.Document.Element("xml").Element("samples").Elements("sample").Elements("test").Elements()
                                            where element.Parent.Parent.Element("type").Attribute("id").Value != null
                                                && element.Parent.Parent.Element("type").Attribute("id").Value.ToString().ToUpper() == "STANDARD"
                                                && element.Parent.Parent.Element("test").Attribute("name").Value != null
                                                && element.Parent.Parent.Element("test").Attribute("name").Value.ToString().Contains(ControlArticle_TestID_List[i])
                                                 && ControlArticle_TestID_List[i] != ""
                                            select element).Distinct();
                    string test = "";
                    foreach (XElement el in testArticlequery)
                    {
                        test = el.Parent.Parent.Element("test").Attribute("name").Value;
                    }
                    if (!testList.Contains(test))
                    {
                        testList.Add(test);
                    }
                    else
                    {
                        continue;
                    }

                    foreach (XElement el in testArticlequery)
                    {
                        test = el.Parent.Parent.Element("test").Attribute("name").Value;
                        //检品编号
                        string sample = el.Parent.Parent.Attribute("name").Value;
                        //<description info=”STD1/有关物质/01”></description> 代表样品名（含有份数），解析使用左斜杠“/”分割的数据
                        string description = el.Parent.Parent.Element("description").Attribute("info").Value;
                        //代表检项编号，解析使用分号“；”来分割的数据

                        string[] sDescription = description.Split(new char[] { ‘/‘ });
                        string anotherName = string.Empty;
                        string project = string.Empty;
                        string weighTimes = string.Empty;

                        if (sDescription.Length > 0)
                        {
                            anotherName = sDescription[0].ToString();//第一段即为别名
                        }
                        if (sDescription.Length > 1)
                        {
                            project = sDescription[1].ToString();//第二段为项目
                        }
                        if (sDescription.Length > 2)
                        {
                            weighTimes = sDescription[2].ToString();//第三段为称量次数
                        }

                        if (el.Attribute("name").Value != string.Empty)
                        {
                            flag = true;
                            dataGridViewControlAtricle.Rows.Add();
                            rowCountControl = rowCountControl + 1;

                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["XuHao"].Value = rowCountControl;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["AnotherName"].Value = anotherName;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["Name"].Value = sample;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["ChengliangCS"].Value = weighTimes;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["component_name"].Value = el.Attribute("name").Value;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["PeakValue"].Value = el.Attribute("value").Value;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["Project"].Value = project;
                            dataGridViewControlAtricle.Rows[indexIDControl].Cells["Check"].Value = true;
                            indexIDControl = indexIDControl + 1;
                        }
                    }

                }

                #endregion

                #region 供试品
                for (int i = 0; i < TheSample_TestArticleNo_List.Count; i++)
                {
                    int indexIDSample = dataGridViewTheSample.Rows.Count;
                    int rowCountSample = indexIDSample;
                    //<type id="Sample"> 并且检品编号存在

                    var testArticlequery = (from element in xDoc.Document.Element("xml").Element("samples").Elements("sample").Elements("test").Elements()
                                            where element.Parent.Parent.Element("type").Attribute("id").Value != null
                                                && element.Parent.Parent.Element("type").Attribute("id").Value.ToString().ToUpper() == "SAMPLE"
                                                && element.Parent.Parent.Attribute("name").Value != null
                                                && element.Parent.Parent.Attribute("name").Value.ToString().Contains(TheSample_TestArticleNo_List[i])
                                                 && TheSample_TestArticleNo_List[i] != ""
                                            select element).Distinct();
                    foreach (XElement el in testArticlequery)
                    {
                        //检品编号
                        string sample = el.Parent.Parent.Attribute("name").Value;
                        //<description info=”STD1/有关物质/01”></description> 代表样品名（含有份数），解析使用左斜杠“/”分割的数据
                        string description = el.Parent.Parent.Element("description").Attribute("info").Value;
                        //代表检项编号，解析使用分号“；”来分割的数据
                        string test = el.Parent.Parent.Element("test").Attribute("name").Value;

                        string[] sDescription = description.Split(new char[] { ‘/‘ });
                        string anotherName = string.Empty;
                        string project = string.Empty;
                        string weighTimes = string.Empty;

                        if (sDescription.Length > 0)
                        {
                            anotherName = sDescription[0].ToString();//第一段即为别名
                        }
                        if (sDescription.Length > 1)
                        {
                            project = sDescription[1].ToString();//第二段为项目
                        }
                        if (sDescription.Length > 2)
                        {
                            weighTimes = sDescription[2].ToString();//第三段为称量次数
                        }
                        if (el.Attribute("name").Value != string.Empty)
                        {
                            flag = true;
                            //dataGridViewTheSample.Rows.Add(++indexIDSample, sample, anotherName, weighTimes, el.Attribute("name").Value, el.Attribute("value").Value, project);
                            dataGridViewTheSample.Rows.Add();
                            rowCountSample = rowCountSample + 1;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["XuHao"].Value = rowCountSample;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["sample_name"].Value = sample;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["TheSampleNo"].Value = anotherName;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["ChengliangCS"].Value = weighTimes;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["component_name"].Value = el.Attribute("name").Value;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["PeakValue"].Value = el.Attribute("value").Value;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["Project"].Value = project;
                            dataGridViewTheSample.Rows[indexIDSample].Cells["Check"].Value = true;
                            indexIDSample = indexIDSample + 1;
                        }
                    }
                }
                #endregion
            }
            catch (Exception ex)
            {
                MessageBox.Show("读取支持Sequence的文件格式错误" + ex.ToString());
            }
            return flag;
        }

读取XML文件的节点,布布扣,bubuko.com

读取XML文件的节点

原文：http://www.cnblogs.com/wenbing/p/3605177.html