asp.net的XML通用操作类
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Xml;
/// <summary>
///Xml 的摘要说明
/// </summary>
public class Xml
{
public Xml()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// XML资源类型
/// </summary>
public enum XmlType
{
File,
String
};
#region 读取XML资源到DataSet中
/// <summary>
/// 读取XML资源到DataSet中
/// </summary>
/// <param name="source">XML资源，文件为路径，否则为XML字符串</param>
/// <param name="xmlType">XML资源类型</param>
/// <returns>DataSet</returns>
public static DataSet GetDataSet(string source, XmlType xmlType)
{
DataSet ds = new DataSet();
if (xmlType == XmlType.File)
{
ds.ReadXml(source);
}
else
{
XmlDocument xd = new XmlDocument();
xd.LoadXml(source);
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
}
return ds;
}
#endregion
#region 获取一个字符串xml文档中的ds
///<remarks>
///赵洪
///</remarks>
/// <summary>
/// 获取一个字符串xml文档中的ds
/// </summary>
/// <param name="xml_string">含有xml信息的字符串</param>
public static void get_XmlValue_ds(string xml_string, ref DataSet ds)
{
System.Xml.XmlDocument xd = new XmlDocument();
xd.LoadXml(xml_string);
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
xnr.Close();
int a = ds.Tables.Count;
}
#endregion
#region 读取XML资源到DataTable中
/// <summary>
/// 读取XML资源到DataTable中
/// </summary>
/// <param name="source">XML资源，文件为路径，否则为XML字符串</param>
/// <param name="xmlType">XML资源类型：文件，字符串</param>
/// <param name="tableName">表名称</param>
/// <returns>DataTable</returns>
public static DataTable GetTable(string source, XmlType xmlType, string tableName)
{
DataSet ds = new DataSet();
if (xmlType == XmlType.File)
{
ds.ReadXml(source);
}
else
{
XmlDocument xd = new XmlDocument();
xd.LoadXml(source);
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
}
return ds.Tables[tableName];
}
#endregion
#region 读取XML资源中指定的DataTable的指定行指定列的值
/// <summary>
/// 读取XML资源中指定的DataTable的指定行指定列的值
/// </summary>
/// <param name="source">XML资源</param>
/// <param name="xmlType">XML资源类型：文件，字符串</param>
/// <param name="tableName">表名</param>
/// <param name="rowIndex">行号</param>
/// <param name="colName">列名</param>
/// <returns>值，不存在时返回Null</returns>
public static object GetTableCell(string source, XmlType xmlType, string tableName, int rowIndex, string colName)
{
DataSet ds = new DataSet();
if (xmlType == XmlType.File)
{
ds.ReadXml(source);
}
else
{
XmlDocument xd = new XmlDocument();
xd.LoadXml(source);
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
}
return ds.Tables[tableName].Rows[rowIndex][colName];
}
#endregion
#region 读取XML资源中指定的DataTable的指定行指定列的值
/// <summary>
/// 读取XML资源中指定的DataTable的指定行指定列的值
/// </summary>
/// <param name="source">XML资源</param>
/// <param name="xmlType">XML资源类型：文件，字符串</param>
/// <param name="tableName">表名</param>
/// <param name="rowIndex">行号</param>
/// <param name="colIndex">列号</param>
/// <returns>值，不存在时返回Null</returns>
public static object GetTableCell(string source, XmlType xmlType, string tableName, int rowIndex, int colIndex)
{
DataSet ds = new DataSet();
if (xmlType == XmlType.File)
{
ds.ReadXml(source);
}
else
{
XmlDocument xd = new XmlDocument();
xd.LoadXml(source);
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
}
return ds.Tables[tableName].Rows[rowIndex][colIndex];
}
#endregion
#region 获取一个字符串xml文档中的一个table，指定行，指定列的值
/// <summary>
/// 获取一个字符串xml文档中的一个table，指定行，指定列的值
/// </summary>
/// <param name="xml_string">含有xml信息的字符串</param>
/// <param name="tablename">表名</param>
/// <param name="row_index">指定行</param>
/// <param name="col_name">指定列名</param>
/// <returns>相应节点的值</returns>
public static string get_XmlValue(string xml_string, string tablename, int row_index, string col_name)
{
System.Xml.XmlDocument xd = new XmlDocument();
xd.LoadXml(xml_string);
XmlElement root = xd.DocumentElement;
XmlNode xe = root.CloneNode(false);
xe = root.SelectNodes(tablename).Item(row_index);
string val = "";
if (null == xe)
{
return "";
}
foreach (XmlNode xn in xe.ChildNodes)
{
if (xn.LocalName == col_name)
{
val = xn.InnerText;
break;
}
}
return val;
}
/// <summary>
/// 获取一个xml文件中的一个table，指定行，指定列的值
/// </summary>
/// <param name="xml_string">含有xml信息的字符串</param>
/// <param name="tablename">表名</param>
/// <param name="row_index">指定行</param>
/// <param name="col_name">指定列名</param>
/// <returns>相应节点的值</returns>
public static string get_XmlValue(string xml_string, string tablename, int row_index, string col_name, bool isfile)
{
System.Xml.XmlDocument xd = new XmlDocument();
if (isfile)
xd.Load(xml_string);
else
xd.LoadXml(xml_string);
XmlElement root = xd.DocumentElement;
XmlNode xe = root.CloneNode(false);
xe = root.SelectNodes(tablename).Item(row_index);
string val = "";
if (null == xe)
{
return "";
}
foreach (XmlNode xn in xe.ChildNodes)
{
if (xn.LocalName == col_name)
{
val = xn.InnerText;
break;
}
}
return val;
}
#endregion
#region 获取一个字符串xml文档中的dt
///<remarks>
///
///</remarks>
/// <summary>
/// 获取一个字符串xml文档中的dt
/// </summary>
/// <param name="xml_string">含有xml信息的字符串</param>
public static void get_XmlValue_dt(string xml_string, ref DataTable dt, string table_name)
{
DataSet ds = new DataSet();
System.Xml.XmlDocument xd = new XmlDocument();
xd.LoadXml(xml_string);
//System.IO.FileStream fs = new System.IO.FileStream("c://aa.xml",System.IO.FileMode.Open);
//xd.Save(fs);
// System.Xml.XmlReader xr=(System.Xml.XmlReader)((object)sr);
//ds=new DataSet();
XmlNodeReader xnr = new XmlNodeReader(xd);
ds.ReadXml(xnr);
xnr.Close();
dt = ds.Tables[table_name];
}
#endregion
#region 将DataTable写入XML文件中
/// <summary>
/// 将DataTable写入XML文件中
/// </summary>
/// <param name="dt">含有数据的DataTable</param>
/// <param name="filePath">文件路径</param>
public static void SaveTableToFile(DataTable dt, string filePath)
{
DataSet ds = new DataSet("Config");
ds.Tables.Add(dt.Copy());
ds.WriteXml(filePath);
}
#endregion
#region 将DataTable以指定的根结点名称写入文件
/// <summary>
/// 将DataTable以指定的根结点名称写入文件
/// </summary>
/// <param name="dt">含有数据的DataTable</param>
/// <param name="rootName">根结点名称</param>
/// <param name="filePath">文件路径</param>
public static void SaveTableToFile(DataTable dt, string rootName, string filePath)
{
DataSet ds = new DataSet(rootName);
ds.Tables.Add(dt.Copy());
ds.WriteXml(filePath);
}
#endregion
#region 使用DataSet方式更新XML文件节点
/// <summary>
/// 使用DataSet方式更新XML文件节点
/// </summary>
/// <param name="filePath">XML文件路径</param>
/// <param name="tableName">表名称</param>
/// <param name="rowIndex">行号</param>
/// <param name="colName">列名</param>
/// <param name="content">更新值</param>
/// <returns>更新是否成功</returns>
public static bool UpdateTableCell(string filePath, string tableName, int rowIndex, string colName, string content)
{
bool flag = false;
DataSet ds = new DataSet();
ds.ReadXml(filePath);
DataTable dt = ds.Tables[tableName];
if (dt.Rows[rowIndex][colName] != null)
{
dt.Rows[rowIndex][colName] = content;
ds.WriteXml(filePath);
flag = true;
}
else
{
flag = false;
}
return flag;
}
#endregion
#region 使用DataSet方式更新XML文件节点
/// <summary>
/// 使用DataSet方式更新XML文件节点
/// </summary>
/// <param name="filePath">XML文件路径</param>
/// <param name="tableName">表名称</param>
/// <param name="rowIndex">行号</param>
/// <param name="colIndex">列号</param>
/// <param name="content">更新值</param>
/// <returns>更新是否成功</returns>
public static bool UpdateTableCell(string filePath, string tableName, int rowIndex, int colIndex, string content)
{
bool flag = false;
DataSet ds = new DataSet();
ds.ReadXml(filePath);
DataTable dt = ds.Tables[tableName];
if (dt.Rows[rowIndex][colIndex] != null)
{
dt.Rows[rowIndex][colIndex] = content;
ds.WriteXml(filePath);
flag = true;
}
else
{
flag = false;
}
return flag;
}
#endregion
#region 读取XML资源中的指定节点内容
/// <summary>
/// 读取XML资源中的指定节点内容
/// </summary>
/// <param name="source">XML资源</param>
/// <param name="xmlType">XML资源类型：文件，字符串</param>
/// <param name="nodeName">节点名称</param>
/// <returns>节点内容</returns>
public static object GetNodeValue(string source, XmlType xmlType, string nodeName)
{
XmlDocument xd = new XmlDocument();
if (xmlType == XmlType.File)
{
xd.Load(source);
}
else
{
xd.LoadXml(source);
}
XmlElement xe = xd.DocumentElement;
XmlNode xn = xe.SelectSingleNode("//" + nodeName);
if (xn != null)
{
return xn.InnerText;
}
else
{
return null;
}
}
/// <summary>
/// 读取XML资源中的指定节点内容
/// </summary>
/// <param name="source">XML资源</param>
/// <param name="nodeName">节点名称</param>
/// <returns>节点内容</returns>
public static object GetNodeValue(string source, string nodeName)
{
if (source == null || nodeName == null || source == "" || nodeName == "" || source.Length < nodeName.Length * 2)
{
return null;
}
else
{
int start = source.IndexOf("<" + nodeName + ">") + nodeName.Length + 2;
int end = source.IndexOf("</" + nodeName + ">");
if (start == -1 || end == -1)
{
return null;
}
else if (start >= end)
{
return null;
}
else
{
return source.Substring(start, end - start);
}
}
}
#endregion
#region 更新XML文件中的指定节点内容
/// <summary>
/// 更新XML文件中的指定节点内容
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="nodeName">节点名称</param>
/// <param name="nodeValue">更新内容</param>
/// <returns>更新是否成功</returns>
public static bool UpdateNode(string filePath, string nodeName, string nodeValue)
{
bool flag = false;
XmlDocument xd = new XmlDocument();
xd.Load(filePath);
XmlElement xe = xd.DocumentElement;
XmlNode xn = xe.SelectSingleNode("//" + nodeName);
if (xn != null)
{
xn.InnerText = nodeValue;
flag = true;
}
else
{
flag = false;
}
return flag;
}
#endregion
#region 操作xml文件中指定节点的数据
/// <summary>
/// 获得xml文件中指定节点的节点数据
/// </summary>
/// <param name="TableName"></param>
/// <returns></returns>
public static string GetNodeInfoByNodeName(string path, string nodeName)
{
string XmlString = "";
XmlDocument xml = new XmlDocument();
xml.Load(path);
System.Xml.XmlElement root = xml.DocumentElement;
System.Xml.XmlNode node = root.SelectSingleNode("//" + nodeName);
if (node != null)
{
XmlString = node.InnerText;
}
return XmlString;
}
#endregion
/// <summary>
/// 根据xml路径获取DataSet。如果Table名为空：flag=false 返回所有xml的数据；flag=true 将xml中的table名作为数据项返回。否则根据table名获取相应的table信息返回。
/// </summary>
/// <param name="XmlPath">xml文件路径</param>
/// <param name="TableName">所要获取的Table名，可为空</param>
/// <param name="flag">若为true，则只将所有表名作为数据项返回；若为false，则返回所要获取的Table的所有数据</param>
/// <returns>返回所获取的DataSet</returns>
/// <summary>
/// 根据xml路径获取DataSet。如果Table名为空：flag=false 返回所有xml的数据；flag=true 将xml中的table名作为数据项返回。否则根据table名获取相应的table信息返回。
/// </summary>
/// <param name="XmlPath">xml文件路径</param>
/// <param name="TableName">所要获取的Table名，可为空</param>
/// <param name="flag">若为true，则只将所有表名作为数据项返回；若为false，则返回所要获取的Table的所有数据</param>
/// <returns>返回所获取的DataSet</returns>
public static DataSet GetTableByXml(string XmlPath, string TableName, bool flag)
{
DataSet ds = new DataSet();
if (TableName == "")
{
DataSet ds1 = new DataSet();
ds1.ReadXml(XmlPath);
if (ds1.Tables.Count > 0)
{
if (flag)
{
DataTable dt = new DataTable("typeTable");
dt.Columns.Add("TableName", typeof(string));
ds.Tables.Add(dt);
for (int i = 0; i < ds1.Tables.Count; i++)
{
DataRow dr = dt.NewRow();
dr["TableName"] = ds1.Tables[i].TableName;
ds.Tables["typeTable"].Rows.Add(dr);
}
}
else
{
ds = ds1.Copy();
}
}
}
else
{
DataSet ds2 = new DataSet();
ds2.ReadXml(XmlPath);
if (ds2.Tables[TableName] != null)
{
ds.Tables.Add(ds2.Tables[TableName].Copy());
}
}
return ds;
}
/// <summary>
/// escape invalid Unicode in XML
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string Replaceinvalid(string str)
{
System.Text.RegularExpressions.Regex r = new System.Text.RegularExpressions.Regex("[/x00-/x08|/x0b-/x0c|/x0e-/x1f]");
return r.Replace(str, " ");
}
/// <summary>
/// 获得接口错误信息
/// </summary>
/// <param name="errCode">错误编码</param>
/// <returns></returns>
public static string GetInterfaceErrorString(string errCode)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<?xml version=/"1.0/" encoding=/"GB2312/"?>");
sb.Append("<Root>");
sb.Append("<Result><return_result>" + errCode + "</return_result></Result>");
sb.Append("</Root>");
return sb.ToString();
}
}