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/* 功能:SQLServer 操作类
* 作者:cjb
*/
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using log4net;
namespace MailAnalyzeTools
{
/// <summary>
/// 数据访问基础类(基于SQLServer)
/// </summary>
public abstract class DbHelperSQL
{
private static ILog LogHelper = LogManager.GetLogger("D7MqClient");
//数据库连接字符串(web.config来配置)
protected static string connectionString;
private static string getconstring()
{
if (string.IsNullOrEmpty(connectionString))
{
connectionString = ConfigurationManager.AppSettings["ConnectionString"];
}
return connectionString;
}
#region 公用方法
public static int GetMaxID(string FieldName, string TableName)
{
string strsql = "select max(" + FieldName + ")+1 from " + TableName;
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
public static bool Exists(string strSql, params SqlParameter[] cmdParms)
{
object obj = GetSingle(strSql, cmdParms);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
#endregion
#region 执行简单SQL语句
/// <summary>
/// 执行SQL语句返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.CommandTimeout = 120000; //要加这一句
cmd.Transaction = connection.BeginTransaction();
int rows = cmd.ExecuteNonQuery();
cmd.Transaction.Commit();
return rows;
}
catch (System.Data.SqlClient.SqlException ex)
{
if (cmd.Transaction != null && connection.State == ConnectionState.Open)
{
cmd.Transaction.Rollback();
}
connection.Close();
LogHelper.Debug(typeof(DbHelperSQL), ex);
LogHelper.Debug("错误语句:"+ SQLString);
throw new Exception(ex.Message);
}
}
}
}
/// <summary>
/// 执行多条SQL语句实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static void ExecuteSqlTran(ArrayList SQLStringList)
{
using (SqlConnection conn = new SqlConnection(getconstring()))
{
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
SqlTransaction tx = conn.BeginTransaction();
cmd.Transaction = tx;
try
{
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
cmd.ExecuteNonQuery();
}
}
tx.Commit();
}
catch (System.Data.SqlClient.SqlException E)
{
tx.Rollback();
throw new Exception(E.Message);
}
}
}
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, string content)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
SqlCommand cmd = new SqlCommand(SQLString, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
/// </summary>
/// <param name="strSQL">SQL语句</param>
/// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
SqlCommand cmd = new SqlCommand(strSQL, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@fs", SqlDbType.Image);
myParameter.Value = fs;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 执行一条计算查询结果语句返回查询结果object
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果object</returns>
public static object GetSingle(string SQLString)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw new Exception(e.Message);
}
}
}
}
/// <summary>
/// 执行查询语句返回SqlDataReader
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string strSQL)
{
SqlConnection connection = new SqlConnection(getconstring());
SqlCommand cmd = new SqlCommand(strSQL, connection);
try
{
connection.Open();
SqlDataReader myReader = cmd.ExecuteReader();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
/// <summary>
/// 执行查询语句返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
return ds;
}
}
/// <summary>
/// 执行查询语句返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataTable QueryTable(string SQLString)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
LogHelper.Debug(typeof(DbHelperSQL), ex);
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
DataTable dt = null;
if (ds != null && ds.Tables.Count > 0)
{
dt = ds.Tables[0];
}
return dt;
}
}
#endregion
#region 执行带参数的SQL语句
/// <summary>
/// 执行SQL语句返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}
/// <summary>
/// 执行多条SQL语句实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表key为sql语句value是该语句的SqlParameter[]</param>
public static void ExecuteSqlTran(Hashtable SQLStringList)
{
using (SqlConnection conn = new SqlConnection(getconstring()))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
//循环
foreach (DictionaryEntry myDE in SQLStringList)
{
string cmdText = myDE.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
trans.Commit();
}
}
catch
{
trans.Rollback();
throw;
}
finally
{
cmd.Dispose();
conn.Close();
}
}
}
}
/// <summary>
/// 执行一条计算查询结果语句返回查询结果object
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果object</returns>
public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
}
}
}
/// <summary>
/// 执行查询语句返回SqlDataReader
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
{
SqlConnection connection = new SqlConnection(getconstring());
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
SqlDataReader myReader = cmd.ExecuteReader();
cmd.Parameters.Clear();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
/// <summary>
/// 执行查询语句返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
SqlCommand cmd = new SqlCommand();
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
using (SqlDataAdapter da = new SqlDataAdapter(cmd))
{
DataSet ds = new DataSet();
try
{
da.Fill(ds, "ds");
cmd.Parameters.Clear();
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
return ds;
}
}
}
private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
{
if (conn.State != ConnectionState.Open)
conn.Open();
cmd.Connection = conn;
cmd.CommandText = cmdText;
if (trans != null)
cmd.Transaction = trans;
cmd.CommandType = CommandType.Text;//cmdType;
if (cmdParms != null)
{
foreach (SqlParameter parm in cmdParms)
cmd.Parameters.Add(parm);
}
}
#endregion
#region 存储过程操作
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader RunProcedure( string storedProcName, IDataParameter[] parameters)
{
SqlConnection connection = new SqlConnection(getconstring());
SqlDataReader returnReader;
connection.Open();
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.CommandType = CommandType.StoredProcedure;
returnReader = command.ExecuteReader();
return returnReader;
}
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="tableName">DataSet结果中的表名</param>
/// <returns>DataSet</returns>
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
public static DataSet RunProcedure(string orgCode, string storedProcName,ref SqlParameter[] parameters, string tableName)
{
var connectionString = ConfigurationManager.AppSettings["DJYUSERID:" + orgCode];
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
using (SqlCommand cmd = connection.CreateCommand()) {
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = storedProcName;
//cmd.Parameters.AddRange(parameters);
SqlDataAdapter adapter = new SqlDataAdapter();
adapter.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
adapter.Fill(dataSet);
}
connection.Close();
return dataSet;
}
}
/// <summary>
/// 构建 SqlCommand 对象(用来返回一个结果集,而不是一个整数值)
/// </summary>
/// <param name="connection">数据库连接</param>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand</returns>
private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = new SqlCommand(storedProcName, connection);
command.CommandType = CommandType.StoredProcedure;
foreach (SqlParameter parameter in parameters)
{
command.Parameters.Add(parameter);
}
return command;
}
/// <summary>
/// 执行存储过程,返回影响的行数
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="rowsAffected">影响的行数</param>
/// <returns></returns>
public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
{
using (SqlConnection connection = new SqlConnection(getconstring()))
{
int result;
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
rowsAffected = command.ExecuteNonQuery();
result = (int)command.Parameters["ReturnValue"].Value;
//Connection.Close();
return result;
}
}
/// <summary>
/// 创建 SqlCommand 对象实例(用来返回一个整数值)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand 对象实例</returns>
private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.Parameters.Add(new SqlParameter("ReturnValue",
SqlDbType.Int, 4, ParameterDirection.ReturnValue,
false, 0, 0, string.Empty, DataRowVersion.Default, null));
return command;
}
#endregion
#region nassdb
/// <summary>
/// Nass 服务器配置路径
/// </summary>
/// <param name="SQLString"></param>
/// <returns></returns>
public static string GetNassPath(string SQLString)
{
string nassConString = ConfigurationManager.AppSettings["ConnectionStringFile"];
if (nassConString == null)
{
return "";
}
using (SqlConnection connection = new SqlConnection(nassConString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return "";
}
else
{
return obj.ToString();
}
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw new Exception(e.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql_NassDb(string SQLString)
{
string nassConString = ConfigurationManager.AppSettings["ConnectionStringFile"];
using (SqlConnection connection = new SqlConnection(nassConString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.Transaction = connection.BeginTransaction();
int rows = cmd.ExecuteNonQuery();
cmd.Transaction.Commit();
return rows;
}
catch (System.Data.SqlClient.SqlException ex)
{
if (cmd.Transaction != null && connection.State == ConnectionState.Open)
{
cmd.Transaction.Rollback();
}
connection.Close();
LogHelper.Debug(typeof(DbHelperSQL), ex);
throw new Exception(ex.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
}
/// <summary>
/// 执行查询语句返回DataTable
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataTable</returns>
public static DataTable QueryTable_NassDB(string SQLString)
{
string nassConString = ConfigurationManager.AppSettings["ConnectionStringFile"];
using (SqlConnection connection = new SqlConnection(nassConString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
LogHelper.Debug(typeof(DbHelperSQL), ex);
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
DataTable dt = null;
if (ds != null && ds.Tables.Count > 0)
{
dt = ds.Tables[0];
}
return dt;
}
}
#endregion //nassdb
public static string GetBillNo(string orgCode, string billType)
{/* var cookies = new Cookies();
var orgCode = cookies.getCookie(CookieConstant.OrgCode);//登录组织
Database db = DatabaseFactory.CreateDatabase();
var cmd = db.GetStoredProcCommand("sSysGetBillNo");
db.AddInParameter(cmd, "@ps_BillType", DbType.String, billType);
db.AddInParameter(cmd, "@ps_OrgCode", DbType.String, orgCode);
db.AddOutParameter(cmd, "@ps_BillNo", DbType.String, 20);
db.AddInParameter(cmd, "@ps_RefBillNo", DbType.String, null);
db.ExecuteNonQuery(cmd);
return Convert.ToString(db.GetParameterValue(cmd, "@ps_BillNo"));*/
SqlParameter[] parameters = {
new SqlParameter("@ps_BillType", SqlDbType.VarChar, 255),
new SqlParameter("@ps_OrgCode", SqlDbType.VarChar, 255),
new SqlParameter("@ps_BillNo", SqlDbType.VarChar, 20),
new SqlParameter("@ps_RefBillNo", SqlDbType.VarChar, 20),
};
parameters[0].Value = billType;
parameters[1].Value = orgCode;
parameters[2].Value = "";
parameters[3].Value = "";
parameters[2].Direction = ParameterDirection.Output;
RunProcedure(orgCode, "sSysGetBillNo",ref parameters, "ds");
var result = parameters[2].Value.ToString();
return result;
}
/// <summary>
/// 日期类型转换工具
/// </summary>
}
public static class TimestampHelper
{
/// <summary>
/// Unix时间戳转为C#格式时间
/// </summary>
/// <param name="timeStamp">Unix时间戳格式,例如:1482115779, 或long类型</param>
/// <returns>C#格式时间</returns>
public static DateTime GetDateTime(string timeStamp)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(timeStamp + "0000000");
TimeSpan toNow = new TimeSpan(lTime);
return dtStart.Add(toNow);
}
/// <summary>
/// 时间戳转为C#格式时间
/// </summary>
/// <param name="timeStamp">Unix时间戳格式</param>
/// <returns>C#格式时间</returns>
public static DateTime GetDateTime(long timeStamp)
{
DateTime time = new DateTime();
try
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(timeStamp + "0000000");
TimeSpan toNow = new TimeSpan(lTime);
time = dtStart.Add(toNow);
}
catch
{
time = DateTime.Now.AddDays(-30);
}
return time;
}
/// <summary>
/// DateTime时间格式转换为Unix时间戳格式
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public static long ToLong(System.DateTime time)
{
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (long)(time - startTime).TotalSeconds;
}
/// <summary>
/// 获取时间戳
/// </summary>
/// <returns></returns>
public static string GetTimeStamp()
{
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
return Convert.ToInt64(ts.TotalSeconds).ToString();
}
}
}