ASP.NET中XML转换为JSON,JSON转换为XML的方法
XML转JSON代码
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private static string XmlToJSON(XmlDocument xmlDoc) { StringBuilder sbJSON = new StringBuilder(); sbJSON.Append("{ "); XmlToJSONnode(sbJSON, xmlDoc.DocumentElement, true); sbJSON.Append("}"); return sbJSON.ToString(); } // XmlToJSONnode: Output an XmlElement, possibly as part of a higher array private static void XmlToJSONnode(StringBuilder sbJSON, XmlElement node, bool showNodeName) { if (showNodeName) sbJSON.Append("\\"" + SafeJSON(node.Name) + "\\": "); sbJSON.Append("{"); // Build a sorted list of key-value pairs // where key is case-sensitive nodeName // value is an ArrayList of string or XmlElement // so that we know whether the nodeName is an array or not. SortedList childNodeNames = new SortedList(); // Add in all node attributes if( node.Attributes!=null) foreach (XmlAttribute attr in node.Attributes) StoreChildNode(childNodeNames,attr.Name,attr.InnerText); // Add in all nodes foreach (XmlNode cnode in node.ChildNodes) { if (cnode is XmlText) StoreChildNode(childNodeNames, "value", cnode.InnerText); else if (cnode is XmlElement) StoreChildNode(childNodeNames, cnode.Name, cnode); } // Now output all stored info foreach (string childname in childNodeNames.Keys) { ArrayList alChild = (ArrayList)childNodeNames[childname]; if (alChild.Count == 1) OutputNode(childname, alChild[0], sbJSON, true); else { sbJSON.Append(" \\"" + SafeJSON(childname) + "\\": [ "); foreach (object Child in alChild) OutputNode(childname, Child, sbJSON, false); sbJSON.Remove(sbJSON.Length - 2, 2); sbJSON.Append(" ], "); } } sbJSON.Remove(sbJSON.Length - 2, 2); sbJSON.Append(" }"); } // StoreChildNode: Store data associated with each nodeName // so that we know whether the nodeName is an array or not. private static void StoreChildNode(SortedList childNodeNames, string nodeName, object nodeValue) { // Pre-process contraction of XmlElement-s if (nodeValue is XmlElement) { // Convertinto "aa":null // xx into "aa":"xx" XmlNode cnode = (XmlNode)nodeValue; if( cnode.Attributes.Count == 0) { XmlNodeList children = cnode.ChildNodes; if( children.Count==0) nodeValue = null; else if (children.Count == 1 && (children[0] is XmlText)) nodeValue = ((XmlText)(children[0])).InnerText; } } // Add nodeValue to ArrayList associated with each nodeName // If nodeName doesn't exist then add it object oValuesAL = childNodeNames[nodeName]; ArrayList ValuesAL; if (oValuesAL == null) { ValuesAL = new ArrayList(); childNodeNames[nodeName] = ValuesAL; } else ValuesAL = (ArrayList)oValuesAL; ValuesAL.Add(nodeValue); } private static void OutputNode(string childname, object alChild, StringBuilder sbJSON, bool showNodeName) { if (alChild == null) { if (showNodeName) sbJSON.Append("\\"" + SafeJSON(childname) + "\\": "); sbJSON.Append("null"); } else if (alChild is string) { if (showNodeName) sbJSON.Append("\\"" + SafeJSON(childname) + "\\": "); string sChild = (string)alChild; sChild = sChild.Trim(); sbJSON.Append("\\"" + SafeJSON(sChild) + "\\""); } else XmlToJSONnode(sbJSON, (XmlElement)alChild, showNodeName); sbJSON.Append(", "); } // Make a string safe for JSON private static string SafeJSON(string sIn) { StringBuilder sbOut = new StringBuilder(sIn.Length); foreach (char ch in sIn) { if (Char.IsControl(ch) || ch == '\\'') { int ich = (int)ch; sbOut.Append(@"\\u" + ich.ToString("x4")); continue; } else if (ch == '\\"' || ch == '\\\\' || ch == '/') { sbOut.Append('\\\\'); } sbOut.Append(ch); } return sbOut.ToString(); }
JSON格式转换为XML格式
/**/////// json字符串转换为Xml对象 /// /// ///public static XmlDocument Json2Xml(string sJson) { //XmlDictionaryReader reader = JsonReaderWriterFactory.CreateJsonReader(Encoding.UTF8.GetBytes(sJson), XmlDictionaryReaderQuotas.Max); //XmlDocument doc = new XmlDocument(); //doc.Load(reader); JavaScriptSerializer oSerializer = new JavaScriptSerializer(); Dictionary Dic = (Dictionary )oSerializer.DeserializeObject(sJson); XmlDocument doc = new XmlDocument(); XmlDeclaration xmlDec; xmlDec = doc.CreateXmlDeclaration("1.0", "gb2312", "yes"); doc.InsertBefore(xmlDec, doc.DocumentElement); XmlElement nRoot = doc.CreateElement("root"); doc.AppendChild(nRoot); foreach (KeyValuePair item in Dic) { XmlElement element = doc.CreateElement(item.Key); KeyValue2Xml(element, item); nRoot.AppendChild(element); } return doc; } private static void KeyValue2Xml(XmlElement node, KeyValuePair Source) { object kValue = Source.Value; if (kValue.GetType() == typeof(Dictionary )) { foreach (KeyValuePair item in kValue as Dictionary ) { XmlElement element = node.OwnerDocument.CreateElement(item.Key); KeyValue2Xml(element, item); node.AppendChild(element); } } else if (kValue.GetType() == typeof(object[])) { object[] o = kValue as object[]; for (int i = 0; i < o.Length; i++) { XmlElement xitem = node.OwnerDocument.CreateElement("Item"); KeyValuePair item = new KeyValuePair ("Item", o[i]); KeyValue2Xml(xitem, item); node.AppendChild(xitem); } } else { XmlText text = node.OwnerDocument.CreateTextNode(kValue.ToString()); node.AppendChild(text); } }
参考资料: ASP.NET中XML和JSON互转 http://www.studyofnet.com/news/298.html
名称栏目:ASP.NET中XML转换为JSON,JSON转换为XML的方法
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