ExportDataToFile/UtilityClass.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Configuration;
//using Npgsql;


namespace ManagementSystem.Utility
{
    public static class SQLUtility
    {
                
        #region 取得指定Table資料
        public static DataSet GetTable(string strTableName, string[] strColumnList , string strWhere, string strOrderBy)
        {
            DataSet dsData = new DataSet();
            try
            {
                string strColumns = "";
                foreach (string strColumn in strColumnList) //取得欄位陣列
                {
                    if (strColumns != "")
                    {
                        strColumns += "," + strColumn.Trim();
                    }
                    else
                    {
                        strColumns = strColumn;
                    }
                }
                string strCommand = string.Format("Select {0} From {1} ",strColumns, strTableName);

                if (strWhere != "") //設定過濾條件
                {
                    strCommand += " Where " + strWhere;
                }

                if (strOrderBy != "")  //取得排序欄位
                {
                    strCommand += " Order By " + strOrderBy;
                }

                //using (SqlConnection sqlConn = GetConn(MainForm.strAccountingBookID))
                //{
                //    using (SqlDataAdapter sqlAdapter = new SqlDataAdapter(strCommand, sqlConn))
                //    {
                //        if (sqlConn.State == ConnectionState.Closed)  //判斷連線狀態
                //        {
                //            sqlConn.Open();
                //        }
                //        sqlAdapter.Fill(dsData, "Result");
                //    }
                //}
                return dsData;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        public static DataSet GetTable(string strTableName, string[] strColumnList, string strWhere)
        {
            return GetTable(strTableName, strColumnList, strWhere, "");
        }

        public static DataSet GetTable(string strTableName, string[] strColumnList)
        {
            return GetTable(strTableName, strColumnList,"","");
        }

        public static DataSet GetTable(string strTableName)
        {
            return GetTable(strTableName,new string[] {"*"}, "", "");
        }

        
        #endregion

        #region MS-SQL命令相關程式集
        //public static SqlConnection GetConn(string strOrg)
        //{
        //    string strConn = "";
        //    SqlConnection sqlConn = null;
        //    switch(strOrg)
        //    {
        //        case "":
        //            strConn = System.Configuration.ConfigurationManager.ConnectionStrings["OrigtekSQLConn"].ToString();
        //            sqlConn = new SqlConnection(strConn);
        //            break;

        //        case "Origtek":
        //            strConn = System.Configuration.ConfigurationManager.ConnectionStrings["OrigtekSQLConn"].ToString();
        //            sqlConn = new SqlConnection(strConn);
        //            break;

        //        case "OrigtekEnergy":
        //            strConn = System.Configuration.ConfigurationManager.ConnectionStrings["OEnergySQLConn"].ToString();
        //            sqlConn = new SqlConnection(strConn);
        //            break;
        //    }
        //    return sqlConn;   
        //}

        //public static SqlConnection GetConn()
        //{
        //    return GetConn("");
        //}

        public static DataSet GetSQLResult(string strSQL)
        {
            DataSet dsData = new DataSet();
            try
            {
                //using (SqlConnection sqlConn = GetConn(MainForm.strAccountingBookID))
                //{
                //    using (SqlDataAdapter sqlAdapter = new SqlDataAdapter(strSQL, sqlConn))
                //    {
                //        if (sqlConn.State == ConnectionState.Closed)  //判斷連線狀態
                //        {
                //            sqlConn.Open();
                //        }
                //        sqlAdapter.Fill(dsData, "Result");
                //    }
                //}
                return dsData;
            }
            catch(Exception ex)
            {
                throw ex; 
            }
        }

        public static bool IsExist(string strSQL)
        {
            try
            {
                DataSet sdResult = GetSQLResult(strSQL);
                DataTable dtResult = sdResult.Tables[0];
                if (dtResult.Rows.Count > 0)
                { return true; }
                else
                { return false; }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        public static bool RunSQLNonReturn(string strSQL)
        {
            try
            {
                //SqlConnection sqlConn = GetConn(MainForm.strAccountingBookID);
                //SqlCommand sqlCmd = new SqlCommand(strSQL, sqlConn);
                //if (sqlConn.State == ConnectionState.Closed)  //判斷連線狀態
                //{
                //    sqlConn.Open();
                //}
                //sqlCmd.ExecuteNonQuery();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }

        public static string GetSQLCount(string strSQL)
        {
            string strCount = "";
            DataSet dsTemp = GetSQLResult(strSQL);
            strCount = dsTemp.Tables[0].Rows.Count.ToString();

            //回傳查詢結果
            if(strCount == "")
                { return "0"; }
            else
                { return strCount; }
        }
        #endregion

        #region 其它共用程式

        public static bool IsNumber(string strSource)
        {
            float output;
            return float.TryParse(strSource, out output);
        }  //確認是否為數字

        public static bool IsDate(string strSource)
        {
            try
            {
                //System.Globalization.DateTimeFormatInfo dtInfo = new System.Globalization.DateTimeFormatInfo();
                //dtInfo.FullDateTimePattern = "yyyy/MM/dd";
                //DateTime dtOutput = DateTime.ParseExact(strSource, "F", dtInfo);
                DateTime dtOutput;
                if (DateTime.TryParse(strSource, out dtOutput))
                {
                    return true;
                }
                else
                {
                    return false;
                }
                
            }
            catch(Exception ex)
            {
                return false;
            }
        }

        public static string MarkNumber(double dbNumber,int intPoint)   //將資料加上三位一撇
        {
            return string.Format("{0:N" + intPoint + "}", dbNumber);
        }

        public static string MarkNumber(int intNumber, int intPoint)   //將資料加上三位一撇
        {
            return string.Format("{0:N" + intPoint + "}", intNumber);
        }

        public static string MarkNumber(string strNumber, int intPoint)  //將資料加上三位一撇
        {
            if (strNumber.IndexOf("%") != -1)
            {
                return strNumber;
            }

            if (!string.IsNullOrEmpty(strNumber))
            {
                if (IsNumber(strNumber))
                {
                    return MarkNumber(Convert.ToDouble(strNumber), intPoint);
                }
            }

            return "";
        }

        public static string MarkNumber(double dbNumber)   //將資料加上三位一撇
        {
            return string.Format("{0:N0}", dbNumber);
        }

        public static string MarkNumber(int intNumber)   //將資料加上三位一撇
        {
            return string.Format("{0:N0}", intNumber);
        }

        public static string MarkNumber(string strNumber)  //將資料加上三位一撇
        {   
            if (!string.IsNullOrEmpty(strNumber))
            {
                if (strNumber.IndexOf("%") != -1)
                {
                    return strNumber;
                }

                if (IsNumber(strNumber))
                {
                    return MarkNumber(Math.Round(Convert.ToDouble(strNumber)));
                }
            }
            
            return "";
        }

        
        public static void CreateDir(string strDirPath)   //建立資料夾
        { 
            string[] strDir = strDirPath.Split('\\');
            string strCreatePath = "";
            foreach (string strPath in strDir)
            { 
                if(strPath != "")
                { 
                    strCreatePath += strPath + "\\";
                    if (!Directory.Exists(strCreatePath))
                    {
                        Directory.CreateDirectory(strCreatePath);
                    }
                }
            }
        }

        public static void WriteFile(string strFilePath ,string strContent)  //撰寫檔案文字內容
        {
            using (StreamWriter swFile = new StreamWriter(strFilePath, true))
            {
                swFile.WriteLine(strContent);
            }
        }

        public static void WriteFile(string strFilePath, string[] strContent)  //撰寫檔案文字內容
        {
            //判斷檔案是否存在
            string[] strPathArray = strFilePath.Split('\\');
            string strCHKPath = "";

            for (int intPath = 0; intPath < strPathArray.Length - 1; intPath ++ )
            {
                strCHKPath += strPathArray[intPath] + "\\";
            }

            //檢查資料夾是否存在
            if (!File.Exists(strCHKPath))
            {
                CreateDir(strCHKPath);
            }

            using (StreamWriter swFile = new StreamWriter(strFilePath, true))
            {
                foreach(string strContentText in strContent)
                {
                    swFile.WriteLine(strContentText);
                }
            }
        }

        #endregion
          
    }
}