{"id":701,"date":"2017-09-10T11:35:38","date_gmt":"2017-09-10T03:35:38","guid":{"rendered":"http:\/\/www.mrtblog.cn\/?p=701"},"modified":"2023-03-05T20:20:24","modified_gmt":"2023-03-05T12:20:24","slug":"cdatatable%e4%b8%8exml%e4%ba%92%e7%9b%b8%e8%bd%ac%e6%8d%a2","status":"publish","type":"post","link":"http:\/\/www.mrtblog.cn\/?p=701","title":{"rendered":"[C#]DataTable\u4e0eXML\u4e92\u76f8\u8f6c\u6362"},"content":{"rendered":"
<\/span> 1,466<\/span> Views<\/span><\/div>
using System.Xml;\n\/\/\u4f7f\u7528XmlTextWriter\u7c7b\u3002\nXmlTextWriter writer = new XmlTextWriter(address, Encoding.GetEncoding("GBK"));\n\/\/\u8bbe\u7f6e\u7f29\u8fdb\u503c\nwriter.Formatting = Formatting.Indented;\n\/\/XML\u6587\u6863\u521b\u5efa\u5f00\u59cb\nwriter.WriteStartDocument();\n\/\/\u586b\u5199\u6ce8\u91ca\uff1a<!--\u8fd9\u662f\u4e00\u4e2a\u6ce8\u91ca-->\nwriter.WriteComment("\u8fd9\u662f\u4e00\u4e2a\u6ce8\u91ca");\n\/\/\u5f00\u59cb\u6807\u7b7e\uff1a<data>\nwriter.WriteStartElement("data");\n\/\/\u6807\u7b7e\u4e2d\u7684\u53c2\u6570\uff1a<data param="value1">\nwriter.WriteAttributeString("param1","value1");\n\/\/\u7ed3\u675f\u4e0a\u4e00\u4e2a\u6807\u7b7e\uff1a<\/data>\nwriter.WriteEndElement();\n\/\/\u7ed3\u675f\u6587\u6863\nwriter.WriteEndDocument();\n\/\/\u5173\u95ed\u6587\u4ef6\nwriter.Close();<\/data><\/code><\/pre>\n
\u4e00\u5f00\u59cb\u8fd8\u72af\u4e86\u4e2a\u9519\u8bef\uff0cXML\u683c\u5f0f\u7684\u6587\u4ef6\u53ea\u652f\u6301\u8fd9\u79cd\u683c\u5f0f<\/p>\n
<a>\n<b>\n\u5185\u5bb91\n<\/b>\n<c>\n\u5185\u5bb92\n<\/c>\n<\/a>\n<\/code><\/pre>\n
\u4e0d\u652f\u6301\u8fd9\u79cd\u65b9\u5f0f<\/p>\n
<a>\n\u5185\u5bb91\n<\/a>\n<b>\n\u5185\u5bb92\n<\/b>\n<\/code><\/pre>\n
\u6240\u4ee5\u4e00\u822c\u5728\u6700\u5f00\u59cb\u548c\u7ed3\u5c3e\u7528ROOT\u6807\u7b7e\u5305\u56f4\u8d77\u6765\u4fdd\u8bc1\u4e0d\u4f1a\u51fa\u9519<\/p>\n
DataSet\u4e0eXML\u76f8\u4e92\u8f6c\u6362<\/p>\n
public static bool WriteToXml(DataSet ds, string address)\n{\n    try\n    {\n        \/\/\u5982\u679c\u6587\u4ef6DataTable.xml\u5b58\u5728\u5219\u76f4\u63a5\u5220\u9664\n        if (File.Exists(address))\n        {\n            File.Delete(address);\n        }\n        XmlTextWriter writer =\n        new XmlTextWriter(address, Encoding.GetEncoding("GBK"));\n        writer.Formatting = Formatting.Indented;\n        writer.WriteStartDocument();\/\/XML\u6587\u6863\u521b\u5efa\u5f00\u59cb\n        writer.WriteStartElement("ROOT"); \/\/\u9632\u6b62xml\u51fa\u9519\uff0c\u5b9a\u4e49\u4e00\u4e2a\u5f00\u59cb\u7684\u6839\u8282\u70b9\n\n        foreach (DataTable dt in ds.Tables)\n        {\n            writer.WriteComment("DataTable: " + dt.TableName);\/\/\u6ce8\u91ca\n            writer.WriteStartElement("data"); \/\/\u5f00\u59cb\u4e00\u4e2adatatable\n            writer.WriteAttributeString("TableName", dt.TableName);\/\/data\u6807\u7b7e\u4e2d\u6dfb\u52a0\u8868\u540d\n            writer.WriteAttributeString("CountOfRows", dt.Rows.Count.ToString());\/\/data\u6807\u7b7e\u4e2d\u6dfb\u52a0\u884c\u6570\n            writer.WriteAttributeString("CountOfColumns", dt.Columns.Count.ToString());\/\/data\u6807\u7b7e\u4e2d\u6dfb\u52a0\u5217\u6570\n            writer.WriteStartElement("ClomunName", ""); \/\/ColumnName\u5f00\u59cb\n            for (int i = 0; i < dt.Columns.Count; i++)\n            {\n                writer.WriteAttributeString("Column" + i.ToString(), dt.Columns[i].ColumnName);\n            }\n            writer.WriteEndElement(); \/\/ColumnName\u7ed3\u675f\n            \/\/\u6309\u884c\u5404\u884c\n            for (int j = 0; j < dt.Rows.Count; j++)\n            {\n                writer.WriteStartElement("Row" + j.ToString(), "");\n                \/\/\u6253\u5370\u5404\u5217\n                for (int k = 0; k < dt.Columns.Count; k++)\n                {\n                    writer.WriteAttributeString("Column" + k.ToString(), dt.Rows[j][k].ToString());\n                }\n                writer.WriteEndElement();\n            }\n            writer.WriteEndElement(); \/\/\u7ed3\u675f\u4e00\u4e2adatatable\n        }\n\n        writer.WriteEndElement();\/\/\u7ed3\u675f\u6839\u8282\u70b9\n        writer.WriteEndDocument();\/\/\u7ed3\u675f\u6587\u6863\n        writer.Close();\n        \/\/XML\u6587\u6863\u521b\u5efa\u7ed3\u675f\n    }\n    catch (Exception ex)\n    {\n        LogUtils.writeErrorLog("\u3010WriteToXml\u9519\u8bef\u3011:"+ex.ToString());\n        return false;\n    }\n    return true;\n}\npublic static DataSet ReadFromXml(string address)\n{\n    DataSet ds = new DataSet();\n    string err_name = "";\n    try\n    {\n        if (!File.Exists(address))\n        {\n            err_name = "\u6587\u4ef6\u4e0d\u5b58\u5728!";\n            throw new Exception("\u6587\u4ef6\u4e0d\u5b58\u5728!");\n        }\n\n        XmlDocument xmlDoc = new XmlDocument();\n        xmlDoc.Load(address);\n\n        XmlNode Root = xmlDoc.SelectSingleNode("ROOT");\n        XmlNodeList x = Root.ChildNodes;\n        foreach (XmlNode root in x)\n        {\n            if (root.Attributes == null)\n                continue;\n            DataTable dt = new DataTable();\n\n            \/\/\u8bfb\u53d6\u8868\u540d\n            string tb_name = ((XmlElement)root).GetAttribute("TableName");\n            \/\/string tb_name = ((XmlElement)root).GetAttribute("TableName");\n            dt.TableName = tb_name;\n            \/\/\u8bfb\u53d6\u884c\u6570\n            int CountOfRows = 0;\n            if (!int.TryParse(((XmlElement)root).GetAttribute("CountOfRows").ToString(), out CountOfRows))\n            {\n                err_name = "["+tb_name+"]"+"\u884c\u6570\u8f6c\u6362\u5931\u8d25";\n                throw new Exception("\u884c\u6570\u8f6c\u6362\u5931\u8d25");\n            }\n            \/\/\u8bfb\u53d6\u5217\u6570\n            int CountOfColumns = 0;\n            if (!int.TryParse(((XmlElement)root).GetAttribute("CountOfColumns").ToString(), out CountOfColumns))\n            {\n                err_name = "[" + tb_name + "]" + "\u5217\u6570\u8f6c\u6362\u5931\u8d25";\n                throw new Exception("\u5217\u6570\u8f6c\u6362\u5931\u8d25");\n            }\n\n            \/\/\u4ece\u7b2c\u4e00\u884c\u4e2d\u8bfb\u53d6\u8bb0\u5f55\u7684\u5217\u540d\n            foreach (XmlAttribute xa in root.ChildNodes[0].Attributes)\n            {\n                dt.Columns.Add(xa.Value);\n                \/\/Console.WriteLine("\u5efa\u7acb\u5217\uff1a {0}", xa.Value);\n            }\n\n            \/\/\u4ece\u540e\u9762\u7684\u884c\u4e2d\u8bfb\u53d6\u884c\u4fe1\u606f\n            for (int i = 1; i < root.ChildNodes.Count; i++)\n            {\n                string[] array = new string[root.ChildNodes[0].Attributes.Count];\n                for (int j = 0; j < array.Length; j++)\n                {\n                    array[j] = root.ChildNodes[i].Attributes[j].Value.ToString();\n                }\n                dt.Rows.Add(array);\n                \/\/Console.WriteLine("\u884c\u63d2\u5165\u6210\u529f");\n            }\n            \/\/\u6dfb\u52a0\u5230ds\u4e2d\n            ds.Tables.Add(dt);\n        }\n    }\n    catch (Exception ex)\n    {\n        LogUtils.writeErrorLog("\u3010ReadFromXml\u9519\u8bef\u3011:" + ex.ToString());\n        err_name = ex.Message;\n        ds = new DataSet();\n        ds.DataSetName = err_name;\n        return ds;\n    }\n    return ds;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
1,466 Viewsusing System.Xml; \/\/\u4f7f\u7528XmlTextWriter\u7c7b\u3002 XmlTex […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"class_list":["post-701","post","type-post","status-publish","format-standard","hentry","category-project"],"_links":{"self":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=701"}],"version-history":[{"count":9,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/701\/revisions"}],"predecessor-version":[{"id":712,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/701\/revisions\/712"}],"wp:attachment":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=701"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}