/// <summary>
/// 修改数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">属性名，非空时修改该节点属性值，否则修改节点值</param>
/// <param name="value">值</param>
/// <returns></returns>
public static void Update(string path, string node, string attribute, string value)
{
/**************************************************
* 使用示列:
* XmlHelper.Insert(path, "/Node", "", "Value")
* XmlHelper.Insert(path, "/Node", "Attribute", "Value")
************************************************/
try
{
var xmlDocument = new XmlDocument();
xmlDocument.Load(path);
var selectSingleNode = xmlDocument.SelectSingleNode(node);
var xmlElement = (XmlElement)selectSingleNode;
if (attribute.Equals(""))
{
if (xmlElement != null)
{
xmlElement.InnerText = value;
}
}
else
{
xmlElement.SetAttribute(attribute, value);
}
xmlDocument.Save(path);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
}
}
/// <summary>
/// 删除数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">属性名，非空时删除该节点属性值，否则删除节点值</param>
/// <returns></returns>
public static void Delete(string path, string node, string attribute)
{
/**************************************************
* 使用示列:
* XmlHelper.Delete(path, "/Node", "")
* XmlHelper.Delete(path, "/Node", "Attribute")
************************************************/
try
{
var xmlDocument = new XmlDocument();
xmlDocument.Load(path);
var selectSingleNode = xmlDocument.SelectSingleNode(node);
var xmlElement = (XmlElement)selectSingleNode;
if (attribute.Equals(""))
{
selectSingleNode.ParentNode.RemoveChild(selectSingleNode);
}
else
{
xmlElement.RemoveAttribute(attribute);
}
xmlDocument.Save(path);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
}
}
/// <summary>
/// 读取xml的节点
/// </summary>
/// <param name="path">路径</param>
/// <param name="nodeName">节点名称</param>
/// <param name="name">属性名称</param>
/// <returns></returns>
public static string ReadXml(string path, string nodeName, string name) //读取XML
{
try
{
var xmlValue = "";
if (!File.Exists(path))
{
return(xmlValue);
}
var myFile = new FileStream(path, FileMode.Open); //打开xml文件
var xmlTextReader = new XmlTextReader(myFile); //xml文件阅读器
while (xmlTextReader.Read())
{
if (xmlTextReader.Name == nodeName)
{
//获取服务器的地址//获取升级文档的最后一次更新日期
xmlValue = xmlTextReader.GetAttribute(name);
break;
}
}
xmlTextReader.Close();
myFile.Close();
return(xmlValue);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
}
/// <summary>
/// 静态扩展
/// </summary>
/// <typeparam name="T">需要序列化的对象类型，必须声明[Serializable]特征</typeparam>
/// <param name="obj">需要序列化的对象</param>
/// <param name="omitXmlDeclaration">true:省略XML声明;否则为false.默认false，即编写 XML 声明。</param>
/// <returns></returns>
public static string SerializeToXmlStr <T>(T obj, bool omitXmlDeclaration)
{
try
{
return(Serialize(obj, omitXmlDeclaration));
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
}
/// <summary>
/// (秒)时间转Int
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public static string ConvertToDateTimeStr(DateTime time)
{
try
{
return(time.ToString("yyyyMMddhhmmss"));
}
catch (Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "【TimeHelper】", ex.ToString());
return("0");
}
}
/// <summary>
/// 读取excel ,默认第一行为标头
/// </summary>
/// <param name="strFileName"></param>
/// <param name="fileStream"></param>
/// <returns></returns>
public static DataTable Import(string strFileName, Stream fileStream)
{
DataTable dt = new DataTable();
IWorkbook workbook = null;
try
{
if (strFileName.IndexOf(".xlsx") > 0) // 2007版本
{
workbook = new XSSFWorkbook(fileStream);
}
else if (strFileName.IndexOf(".xls") > 0) // 2003版本
{
workbook = new HSSFWorkbook(fileStream);
}
}
catch (Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "【ExcelHelper】", ex.ToString());
workbook = new HSSFWorkbook(fileStream);
}
ISheet sheet = workbook.GetSheetAt(0);
System.Collections.IEnumerator rows = sheet.GetRowEnumerator();
IRow headerRow = sheet.GetRow(0);
int cellCount = headerRow.LastCellNum;
for (int j = 0; j < cellCount; j++)
{
ICell cell = headerRow.GetCell(j);
dt.Columns.Add(cell.ToString());
}
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
{
IRow row = sheet.GetRow(i);
DataRow dataRow = dt.NewRow();
for (int j = row.FirstCellNum; j < cellCount; j++)
{
if (row.GetCell(j) != null)
{
dataRow[j] = row.GetCell(j).ToString();
}
}
dt.Rows.Add(dataRow);
}
return(dt);
}
/// <summary>
/// Excel导出
/// </summary>
/// <param name="dt"></param>
/// <param name="filePath"></param>
public static void DownloadExcel(DataTable dt, string filePath)
{
try
{
IWorkbook book = null;
if (!string.IsNullOrEmpty(filePath) && null != dt && dt.Rows.Count > 0)
{
if (filePath.IndexOf(".xlsx") > 0) // 2007版本
{
book = new XSSFWorkbook();
}
else if (filePath.IndexOf(".xls") > 0) // 2003版本
{
book = new HSSFWorkbook();
}
else
{
filePath += ".xls";
book = new HSSFWorkbook();
}
ISheet sheet = book.CreateSheet(dt.TableName);
IRow row = sheet.CreateRow(0);
for (int i = 0; i < dt.Columns.Count; i++)
{
row.CreateCell(i).SetCellValue(dt.Columns[i].ColumnName);
}
for (int i = 0; i < dt.Rows.Count; i++)
{
IRow row2 = sheet.CreateRow(i + 1);
for (int j = 0; j < dt.Columns.Count; j++)
{
row2.CreateCell(j).SetCellValue(Convert.ToString(dt.Rows[i][j]));
}
}
using (MemoryStream ms = new MemoryStream())
{
book.Write(ms);
using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
{
byte[] data = ms.ToArray();
fs.Write(data, 0, data.Length);
fs.Flush();
}
book = null;
}
}
}
catch (Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "ExcelHelper", ex.ToString());
}
}
/// <summary>
/// 将DataTable以指定的根结点名称写入文件
/// </summary>
/// <param name="dataTable">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 dataTable, string rootName, string filePath)
{
try
{
var dataSet = new DataSet(rootName);
dataSet.Tables.Add(dataTable.Copy());
dataSet.WriteXml(filePath);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
}
}
/// <summary>
/// 读取xml文件，并将文件序列化为类
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="path"></param>
/// <returns></returns>
public static T ReadXML <T>(string path)
{
try
{
var reader = new XmlSerializer(typeof(T));
var file = new StreamReader(path);
return((T)reader.Deserialize(file));
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(default(T));
}
}
/// <summary>
/// 获取一个字符串xml文档中的dataSet
/// </summary>
/// <param name="xmlString">含有xml信息的字符串</param>
/// <param name="dataSet"></param>
public static void GetXmlValueDataSet(string xmlString, ref DataSet dataSet)
{
try
{
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(xmlString);
var xmlNodeReader = new XmlNodeReader(xmlDocument);
dataSet.ReadXml(xmlNodeReader);
xmlNodeReader.Close();
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
}
}
public static string HttpGetHTML(string uri, System.Text.Encoding code, System.Net.CookieContainer cotainer)
{
if (uri == null || (uri.ToLower().IndexOf("http://") == -1 && uri.ToLower().IndexOf("https://") == -1))
{
return("");
}
StreamReader sr = null;
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.Headers.Add("UA-CPU", "x86");
request.Referer = uri;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727;)";
request.KeepAlive = false;
request.CookieContainer = cotainer;
request.Timeout = 8000; //设置远程页面请求超时时间
HttpWebResponse myResponse = (HttpWebResponse)request.GetResponse();
if (myResponse.StatusCode == HttpStatusCode.OK)
{
sr = new StreamReader(myResponse.GetResponseStream(), code);
string serverResponse = sr.ReadToEnd().Trim();
return(serverResponse);
}
else
{
//return "失败:Status:" + myResponse.StatusCode.ToString();
return(string.Empty);
}
}
catch (Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "【HttpHelper】", ex.ToString());
return(string.Empty);
}
finally
{
if (sr != null)
{
sr.Close();
sr.Dispose();
}
}
}
/// <summary>
/// 将对象写入XML文件
/// </summary>
/// <typeparam name="T">C#对象名</typeparam>
/// <param name="item">对象实例</param>
/// <param name="path">路径</param>
/// <param name="jjdbh">标号</param>
/// <param name="ends">结束符号（整个xml的路径类似如下：C:\xmltest\201111send.xml，其中path=C:\xmltest,jjdbh=201111,ends=send）</param>
/// <returns></returns>
public static string WriteXML <T>(T item, string path, string jjdbh, string ends)
{
if (string.IsNullOrEmpty(ends))
{
ends = "send";
}
var i = 0; //控制写入文件的次数，
var serializer = new XmlSerializer(item.GetType());
object[] obj = { path, "\\", jjdbh, ends, ".xml" };
var xmlPath = string.Concat(obj);
while (true)
{
try
{
var fileStream = File.Create(xmlPath); //用filestream方式创建文件不会出现“文件正在占用中，用File.create”则不行
fileStream.Close();
TextWriter writer = new StreamWriter(xmlPath, false, Encoding.UTF8);
var xmlSerializerNamespaces = new XmlSerializerNamespaces();
xmlSerializerNamespaces.Add(string.Empty, string.Empty);
serializer.Serialize(writer, item, xmlSerializerNamespaces);
writer.Flush();
writer.Close();
break;
}
catch (Exception exception)
{
if (i < 5)
{
i++;
}
else
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
break;
}
}
}
return(SerializeToXmlStr(item, true));
}
/// <summary>
/// 获得xml文件中指定节点的节点数据
/// </summary>
/// <returns></returns>
public static string GetNodeInfoByNodeName(string path, string nodeName)
{
try
{
var xmlString = "";
var xmlDocument = new XmlDocument();
xmlDocument.Load(path);
var documentElementRoot = xmlDocument.DocumentElement;
var selectSingleNode = documentElementRoot.SelectSingleNode("//" + nodeName);
if (selectSingleNode != null)
{
xmlString = selectSingleNode.InnerText;
}
return(xmlString);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
}
public static string HttpPost(string url, string data, System.Text.Encoding encoding)
{
try
{
byte[] bData = encoding.GetBytes(data);
HttpWebRequest WebReq = (HttpWebRequest)WebRequest.Create(url);
WebReq.Method = "POST";
WebReq.ContentType = "application/x-www-form-urlencoded";
WebReq.ContentLength = bData.Length;
Stream PostData = WebReq.GetRequestStream();
PostData.Write(bData, 0, bData.Length);
PostData.Close();
HttpWebResponse WebResp = (HttpWebResponse)WebReq.GetResponse();
Stream Answer = WebResp.GetResponseStream();
return(getResult(Answer, encoding));
}
catch (System.Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "【HttpPost】", ex.ToString());
return(null);
}
}
/// <summary>
/// 读取数据
/// </summary>
/// <param name="path">路径</param>
/// <param name="node">节点</param>
/// <param name="attribute">属性名，非空时返回该属性值，否则返回串联值</param>
/// <returns>string</returns>
public static string Read(string path, string node, string attribute)
{
/**************************************************
* 使用示列:
* XmlHelper.Read(path, "/Node", "")
* XmlHelper.Read(path, "/Node/Element[@Attribute='Name']", "Attribute")
************************************************/
var value = "";
try
{
var xmlDocument = new XmlDocument();
xmlDocument.Load(path);
var selectSingleNode = xmlDocument.SelectSingleNode(node);
value = attribute.Equals("")? selectSingleNode.InnerText: selectSingleNode.Attributes[attribute].Value;
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
}
return(value);
}
/// <summary>
/// 创建XML文档
/// </summary>
/// <param name="name">根节点名称</param>
/// <param name="type">根节点的一个属性值</param>
/// <returns></returns>
public static XmlDocument CreateXmlDocument(string name, string type)
{
/**************************************************
* .net中调用方法：写入文件中,则：
* document = XmlOperate.CreateXmlDocument("sex", "sexy");
* document.Save("c:/bookstore.xml");
************************************************/
XmlDocument xmlDocument;
try
{
xmlDocument = new XmlDocument();
xmlDocument.LoadXml("<" + name + "/>");
var rootElement = xmlDocument.DocumentElement;
rootElement.SetAttribute("type", type);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
return(xmlDocument);
}
/// <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)
{
try
{
var dataSet = new DataSet();
if (xmlType == XmlType.File)
{
dataSet.ReadXml(source);
}
else
{
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(source);
var xmlNodeReader = new XmlNodeReader(xmlDocument);
dataSet.ReadXml(xmlNodeReader);
}
return(dataSet);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
}
/// <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)
{
try
{
var dataSet = new DataSet();
if (xmlType == XmlType.File)
{
dataSet.ReadXml(source);
}
else
{
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(source);
var xmlNodeReader = new XmlNodeReader(xmlDocument);
dataSet.ReadXml(xmlNodeReader);
}
return(dataSet.Tables[tableName].Rows[rowIndex][colIndex]);
}
catch (Exception exception)
{
LOGCore.Trace(LOGCore.ST.Day, "【XMLHelper】", exception.ToString());
return(null);
}
}
/// <summary>
/// post
/// </summary>
/// <param name="url">POST请求的地址</param>
/// <param name="paramList">参数列表 例如 name=zhangsan&pass=lisi</param>
/// <param name="referer">来源地址</param>
/// <returns></returns>
public static string Post(String url, String paramList, string referer)
{
HttpWebResponse res = null;
HttpWebRequest req = null;
string strResult = "";
try
{
req = (HttpWebRequest)WebRequest.Create(url);
//配置请求header
req.Headers.Add(HttpRequestHeader.AcceptCharset, "GBK,utf-8;q=0.7,*;q=0.3");
req.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate,sdch");
req.Headers.Add(HttpRequestHeader.AcceptLanguage, "zh-CN,zh;q=0.8");
req.Accept = "application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
req.KeepAlive = true;
req.Referer = referer;
req.Headers.Add(HttpRequestHeader.CacheControl, "max-age=0");
req.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.5 Safari/534.7";
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.AllowAutoRedirect = true;
StringBuilder UrlEncoded = new StringBuilder();
//对参数进行encode
Char[] reserved = { '?', '=', '&' };
byte[] SomeBytes = null;
if (paramList != null)
{
int i = 0, j;
while (i < paramList.Length)
{
j = paramList.IndexOfAny(reserved, i);
if (j == -1)
{
UrlEncoded.Append(HttpUtility.UrlEncode(paramList.Substring(i, paramList.Length - i)));
break;
}
UrlEncoded.Append(HttpUtility.UrlEncode(paramList.Substring(i, j - i)));
UrlEncoded.Append(paramList.Substring(j, 1));
i = j + 1;
}
SomeBytes = Encoding.UTF8.GetBytes(UrlEncoded.ToString());
req.ContentLength = SomeBytes.Length;
Stream newStream = req.GetRequestStream();
newStream.Write(SomeBytes, 0, SomeBytes.Length);
newStream.Close();
}
else
{
req.ContentLength = 0;
}
//返回请求
res = (HttpWebResponse)req.GetResponse();
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
Stream responseStream = null;
if (res.ContentEncoding.ToLower() == "gzip")
{
responseStream = new System.IO.Compression.GZipStream(res.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
}
else if (res.ContentEncoding.ToLower() == "deflate")
{
responseStream = new System.IO.Compression.DeflateStream(res.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
}
else
{
responseStream = res.GetResponseStream();
}
StreamReader sr = new StreamReader(responseStream, encode);
strResult = sr.ReadToEnd();
}
catch (Exception ex)
{
LOGCore.Trace(LOGCore.ST.Day, "【HttpHelper】", ex.ToString());
}
finally
{
res.Close();
}
return(strResult);
}
