/// <summary> /// 读取xml中的指定节点的值/// </summary> private string ReadXmlNode(string filename){string result = "-1";XmlDocument xmlDoc = new XmlDocument();try{xmlDoc.LoadXml(filename);//读取Activity节点下的数据。SelectSingleNode匹配第一个Activity节点XmlNode root = xmlDoc.SelectSingleNode("//head");//当节点Workflow带有属性是，使用SelectSingleNode无法读取 if (root != null)result = (root.SelectSingleNode("code")).InnerText;}catch //(Exception e){//显示错误信息}return result;}
