protected string Read_Txt(string filename)
{
Encoding code = Encoding.GetEncoding("gb2312");
string temp = HttpContext.Current.Server.MapPath("Precious\\" + filename + ".txt");
string str = "";
if (File.Exists(temp))
{
StreamReader sr = null;
try
{
sr = new StreamReader(temp, code);
str = sr.ReadToEnd(); // 读取文件
}
catch (Exception e) {
ShowException.ShowtheException("FileError", e);
}
sr.Close();
sr.Dispose();
}
else
{
str = "";
}
return(str);
}
/// <summary>
/// 获取Excel文件数据表列表
/// </summary>
public static ArrayList GetExcelTables(string ExcelFileName)
{
DataTable dt = new DataTable();
ArrayList TablesList = new ArrayList();
if (File.Exists(ExcelFileName))
{
using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;Data Source=" + ExcelFileName))
{
try
{
conn.Open();
dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
//获取数据表个数
int tablecount = dt.Rows.Count;
for (int i = 0; i < tablecount; i++)
{
string tablename = dt.Rows[i][2].ToString().Trim().TrimEnd('$');
if (TablesList.IndexOf(tablename) < 0)
{
TablesList.Add(tablename);
}
}
}
}
return(TablesList);
}
public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
{
string dateDiff = null;
try
{
//TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
//TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
//TimeSpan ts = ts1.Subtract(ts2).Duration();
TimeSpan ts = DateTime2 - DateTime1;
if (ts.Days >= 1)
{
dateDiff = DateTime1.Month.ToString() + "月" + DateTime1.Day.ToString() + "日";
}
else
{
if (ts.Hours > 1)
{
dateDiff = ts.Hours.ToString() + "小时前";
}
else
{
dateDiff = ts.Minutes.ToString() + "分钟前";
}
}
}
catch (Exception e)
{
ShowException.ShowtheException("TimeError", e);
}
return(dateDiff);
}
public static void StringToDate(string TimeStr, out DateTime dt)
{
if (DateTime.TryParse(TimeStr, out dt))
{
dt = DateTime.Parse(TimeStr);
}
else
{
dt = new DateTime();
ShowException.ShowtheExceptionNoMessage("TimeException", new Exception(TimeStr + "时间转化失败"));
}
}
/// <summary>
/// 得到AppSettings中的配置字符串信息
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static string GetConfigString(string key)
{
string CacheKey = "AppSettings-" + key;
object objModel = null;
try
{
objModel = ConfigurationManager.AppSettings[key];
}
catch (Exception e)
{
ShowException.ShowtheException("ConfigError", e);
}
return(objModel.ToString());
}
/// <summary>
/// 截取指定长度字符串
/// </summary>
/// <param name="inputString">要处理的字符串</param>
/// <param name="len">指定长度</param>
/// <returns>返回处理后的字符串</returns>
public static string ClipString(string inputString, int len)
{
bool isShowFix = false;
if (len % 2 == 1)
{
isShowFix = true;
len--;
}
System.Text.ASCIIEncoding ascii = new System.Text.ASCIIEncoding();
int tempLen = 0;
string tempString = "";
byte[] s = ascii.GetBytes(inputString);
for (int i = 0; i < s.Length; i++)
{
if ((int)s[i] == 63)
{
tempLen += 2;
}
else
{
tempLen += 1;
}
try
{
tempString += inputString.Substring(i, 1);
}
catch (Exception e)
{
ShowException.ShowtheExceptionNoMessage("StringError", e);
break;
}
if (tempLen > len)
{
break;
}
}
byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString);
if (isShowFix && mybyte.Length > len)
{
tempString += "…";
}
return(tempString);
}
/// <summary>
/// 得到AppSettings中的配置Bool信息
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static bool GetConfigBool(string key)
{
bool result = false;
string cfgVal = GetConfigString(key);
if (null != cfgVal && string.Empty != cfgVal)
{
try
{
result = bool.Parse(cfgVal);
}
catch (FormatException e)
{
ShowException.ShowtheException("ConfigError", e);
}
}
return(result);
}
/// <summary>
/// 将Excel文件导出至DataTable(第一行作为表头)
/// </summary>
/// <param name="ExcelFilePath">Excel文件路径</param>
/// <param name="TableName">数据表名，如果数据表名错误，默认为第一个数据表名</param>
public static DataTable InputFromExcel(string ExcelFilePath, string TableName)
{
if (!File.Exists(ExcelFilePath))
{
throw new Exception("Excel文件不存在！");
}
//如果数据表名不存在，则数据表名为Excel文件的第一个数据表
ArrayList TableList = new ArrayList();
TableList = GetExcelTables(ExcelFilePath);
if (TableName.IndexOf(TableName) < 0)
{
TableName = TableList[0].ToString().Trim();
}
DataTable table = new DataTable();
OleDbConnection dbcon = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties=Excel 8.0");
OleDbCommand cmd = new OleDbCommand("select * from [" + TableName + "$]", dbcon);
OleDbDataAdapter adapter = new OleDbDataAdapter(cmd);
try
{
if (dbcon.State == ConnectionState.Closed)
{
dbcon.Open();
}
adapter.Fill(table);
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
finally
{
if (dbcon.State == ConnectionState.Open)
{
dbcon.Close();
}
}
return(table);
}
/// <summary>
/// 得到AppSettings中的配置int信息
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static int GetConfigInt(string key)
{
int result = 0;
string cfgVal = GetConfigString(key);
if (null != cfgVal && string.Empty != cfgVal)
{
try
{
result = int.Parse(cfgVal);
}
catch (FormatException e)
{
ShowException.ShowtheException("ConfigError", e);
}
}
return(result);
}
/// <summary>
/// 得到AppSettings中的配置Decimal信息
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static decimal GetConfigDecimal(string key)
{
decimal result = 0;
string cfgVal = GetConfigString(key);
if (null != cfgVal && string.Empty != cfgVal)
{
try
{
result = decimal.Parse(cfgVal);
}
catch (FormatException e)
{
ShowException.ShowtheException("ConfigError", e);
}
}
return(result);
}
protected void Write_Txt(string FileName, string Content)
{
Encoding code = Encoding.GetEncoding("gb2312");
string htmlfilename = HttpContext.Current.Server.MapPath("Precious\\" + FileName + ".txt"); //保存文件的路径
string str = Content;
StreamWriter sw = null;
{
try
{
sw = new StreamWriter(htmlfilename, false, code);
sw.Write(str);
sw.Flush();
}
catch (Exception e)
{
ShowException.ShowtheException("FileError", e);
}
}
sw.Close();
sw.Dispose();
}
/// <summary>
/// 获取Excel文件指定数据表的数据列表
/// </summary>
/// <param name="ExcelFileName">Excel文件名</param>
/// <param name="TableName">数据表名</param>
public static DataTable MyGetExcelTableColumns(string ExcelFileName)
{
DataTable dt = new DataTable();
ArrayList ColsList = new ArrayList();
try
{
if (File.Exists(ExcelFileName))
{
using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;Data Source=" + ExcelFileName))
{
conn.Open();
dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Columns, new object[] { null, null, null, null });
}
}
}
catch (Exception e)
{
ShowException.ShowtheExceptionNoMessage("ExcelError", e);
}
return(dt);
}
/// <summary>
/// 将数据导出至Excel文件
/// </summary>
/// <param name="Table">DataTable对象</param>
/// <param name="Columns">要导出的数据列集合</param>
/// <param name="ExcelFilePath">Excel文件路径</param>
public static bool OutputToExcel(DataTable Table, ArrayList Columns, string ExcelFilePath)
{
if (File.Exists(ExcelFilePath))
{
throw new Exception("该文件已经存在！");
}
//如果数据列数大于表的列数，取数据表的所有列
if (Columns.Count > Table.Columns.Count)
{
for (int s = Table.Columns.Count + 1; s <= Columns.Count; s++)
{
Columns.RemoveAt(s); //移除数据表列数后的所有列
}
}
//遍历所有的数据列，如果有数据列的数据类型不是 DataColumn，则将它移除
DataColumn column = new DataColumn();
for (int j = 0; j < Columns.Count; j++)
{
try
{
column = (DataColumn)Columns[j];
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
Columns.RemoveAt(j);
}
}
if ((Table.TableName.Trim().Length == 0) || (Table.TableName.ToLower() == "table"))
{
Table.TableName = "Sheet1";
}
//数据表的列数
int ColCount = Columns.Count;
//创建参数
OleDbParameter[] para = new OleDbParameter[ColCount];
//创建表结构的SQL语句
string TableStructStr = @"Create Table " + Table.TableName + "(";
//连接字符串
string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties=Excel 8.0;";
OleDbConnection objConn = new OleDbConnection(connString);
//创建表结构
OleDbCommand objCmd = new OleDbCommand();
//数据类型集合
ArrayList DataTypeList = new ArrayList();
DataTypeList.Add("System.Decimal");
DataTypeList.Add("System.Double");
DataTypeList.Add("System.Int16");
DataTypeList.Add("System.Int32");
DataTypeList.Add("System.Int64");
DataTypeList.Add("System.Single");
DataColumn col = new DataColumn();
//遍历数据表的所有列，用于创建表结构
for (int k = 0; k < ColCount; k++)
{
col = (DataColumn)Columns[k];
//列的数据类型是数字型
if (DataTypeList.IndexOf(col.DataType.ToString().Trim()) >= 0)
{
para[k] = new OleDbParameter("@" + col.Caption.Trim(), OleDbType.Double);
objCmd.Parameters.Add(para[k]);
//如果是最后一列
if (k + 1 == ColCount)
{
TableStructStr += col.Caption.Trim() + " Double)";
}
else
{
TableStructStr += col.Caption.Trim() + " Double,";
}
}
else
{
para[k] = new OleDbParameter("@" + col.Caption.Trim(), OleDbType.VarChar);
objCmd.Parameters.Add(para[k]);
//如果是最后一列
if (k + 1 == ColCount)
{
TableStructStr += col.Caption.Trim() + " VarChar)";
}
else
{
TableStructStr += col.Caption.Trim() + " VarChar,";
}
}
}
//创建Excel文件及文件结构
try
{
objCmd.Connection = objConn;
objCmd.CommandText = TableStructStr;
if (objConn.State == ConnectionState.Closed)
{
objConn.Open();
}
objCmd.ExecuteNonQuery();
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
//插入记录的SQL语句
string InsertSql_1 = "Insert into " + Table.TableName + " (";
string InsertSql_2 = " Values (";
string InsertSql = "";
//遍历所有列，用于插入记录，在此创建插入记录的SQL语句
for (int colID = 0; colID < ColCount; colID++)
{
if (colID + 1 == ColCount) //最后一列
{
InsertSql_1 += Columns[colID].ToString().Trim() + ")";
InsertSql_2 += "@" + Columns[colID].ToString().Trim() + ")";
}
else
{
InsertSql_1 += Columns[colID].ToString().Trim() + ",";
InsertSql_2 += "@" + Columns[colID].ToString().Trim() + ",";
}
}
InsertSql = InsertSql_1 + InsertSql_2;
//遍历数据表的所有数据行
DataColumn DataCol = new DataColumn();
for (int rowID = 0; rowID < Table.Rows.Count; rowID++)
{
for (int colID = 0; colID < ColCount; colID++)
{
//因为列不连续，所以在取得单元格时不能用行列编号，列需得用列的名称
DataCol = (DataColumn)Columns[colID];
if (para[colID].DbType == DbType.Double && Table.Rows[rowID][DataCol.Caption].ToString().Trim() == "")
{
para[colID].Value = 0;
}
else
{
para[colID].Value = Table.Rows[rowID][DataCol.Caption].ToString().Trim();
}
}
try
{
objCmd.CommandText = InsertSql;
objCmd.ExecuteNonQuery();
}
catch (Exception exp)
{
string str = exp.Message;
ShowException.ShowtheExceptionNoMessage("excelError", exp);
}
}
try
{
if (objConn.State == ConnectionState.Open)
{
objConn.Close();
}
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
return(true);
}
/// <summary>
/// 将数据导出至Excel文件
/// </summary>
/// <param name="Table">DataTable对象</param>
/// <param name="ExcelFilePath">Excel文件路径</param>
public static bool OutputToExcel(DataTable Table, string ExcelFilePath)
{
if (File.Exists(ExcelFilePath))
{
throw new Exception("该文件已经存在！");
}
if ((Table.TableName.Trim().Length == 0) || (Table.TableName.ToLower() == "table"))
{
Table.TableName = "Sheet1";
}
//数据表的列数
int ColCount = Table.Columns.Count;
//用于记数，实例化参数时的序号
int i = 0;
//创建参数
OleDbParameter[] para = new OleDbParameter[ColCount];
//创建表结构的SQL语句
string TableStructStr = @"Create Table " + Table.TableName + "(";
//连接字符串
string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties=Excel 8.0;";
OleDbConnection objConn = new OleDbConnection(connString);
//创建表结构
OleDbCommand objCmd = new OleDbCommand();
//数据类型集合
ArrayList DataTypeList = new ArrayList();
DataTypeList.Add("System.Decimal");
DataTypeList.Add("System.Double");
DataTypeList.Add("System.Int16");
DataTypeList.Add("System.Int32");
DataTypeList.Add("System.Int64");
DataTypeList.Add("System.Single");
//遍历数据表的所有列，用于创建表结构
foreach (DataColumn col in Table.Columns)
{
//如果列属于数字列，则设置该列的数据类型为double
if (DataTypeList.IndexOf(col.DataType.ToString()) >= 0)
{
para[i] = new OleDbParameter("@" + col.ColumnName, OleDbType.Double);
objCmd.Parameters.Add(para[i]);
//如果是最后一列
if (i + 1 == ColCount)
{
TableStructStr += col.ColumnName + " double)";
}
else
{
TableStructStr += col.ColumnName + " double,";
}
}
else
{
para[i] = new OleDbParameter("@" + col.ColumnName, OleDbType.VarChar);
objCmd.Parameters.Add(para[i]);
//如果是最后一列
if (i + 1 == ColCount)
{
TableStructStr += col.ColumnName + " varchar)";
}
else
{
TableStructStr += col.ColumnName + " varchar,";
}
}
i++;
}
//创建Excel文件及文件结构
try
{
objCmd.Connection = objConn;
objCmd.CommandText = TableStructStr;
if (objConn.State == ConnectionState.Closed)
{
objConn.Open();
}
objCmd.ExecuteNonQuery();
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
//插入记录的SQL语句
string InsertSql_1 = "Insert into " + Table.TableName + " (";
string InsertSql_2 = " Values (";
string InsertSql = "";
//遍历所有列，用于插入记录，在此创建插入记录的SQL语句
for (int colID = 0; colID < ColCount; colID++)
{
if (colID + 1 == ColCount) //最后一列
{
InsertSql_1 += Table.Columns[colID].ColumnName + ")";
InsertSql_2 += "@" + Table.Columns[colID].ColumnName + ")";
}
else
{
InsertSql_1 += Table.Columns[colID].ColumnName + ",";
InsertSql_2 += "@" + Table.Columns[colID].ColumnName + ",";
}
}
InsertSql = InsertSql_1 + InsertSql_2;
//遍历数据表的所有数据行
for (int rowID = 0; rowID < Table.Rows.Count; rowID++)
{
for (int colID = 0; colID < ColCount; colID++)
{
if (para[colID].DbType == DbType.Double && Table.Rows[rowID][colID].ToString().Trim() == "")
{
para[colID].Value = 0;
}
else
{
para[colID].Value = Table.Rows[rowID][colID].ToString().Trim();
}
}
try
{
objCmd.CommandText = InsertSql;
objCmd.ExecuteNonQuery();
}
catch (Exception exp)
{
string str = exp.Message;
ShowException.ShowtheExceptionNoMessage("excelError", exp);
}
}
try
{
if (objConn.State == ConnectionState.Open)
{
objConn.Close();
}
}
catch (Exception exp)
{
ShowException.ShowtheExceptionNoMessage("excelError", exp);
throw exp;
}
return(true);
}