WriteToCSVFile

using System;
using System.Data;
using System.IO;
using System.Text;

namespace WDC_Portal.Components.Common
{
/// <summary>
/// CSVHelper 的摘要说明。
/// </summary>
public class CSVHelper
{
public CSVHelper(){}

#region public static void WriteToExcel( System.Data.DataTable dataTable, string excelFileName )
/// <summary>
///
/// </summary>
/// <param name="dataTable"></param>
/// <param name="csvFileName"></param>
public static void WriteToCSVFile( System.Data.DataTable dataTable, string csvFileName )
{
csvFileName = csvFileName.Replace( "/", "//" );
string strDoc = csvFileName.Substring( 0, csvFileName.LastIndexOf( "//" ) );
if( !Directory.Exists( strDoc ) )
Directory.CreateDirectory( strDoc );
if( File.Exists( csvFileName ) )
File.Delete( csvFileName );
　　 int rowCount = 1;
StringBuilder sb = new StringBuilder();
foreach( DataRow row in dataTable.Rows )
{
for( int i = 0; i < dataTable.Columns.Count; i++ )
{
sb.Append( row[ i ].ToString() );
if( i != dataTable.Columns.Count - 1 )
sb.Append( "," );
}
sb.Append( Environment.NewLine );
rowCount++;
}
using( StreamWriter streamWriter = new StreamWriter( csvFileName, false, Encoding.Default ) )
{
streamWriter.WriteLine( sb.ToString() );
//把缓冲区的信息写入到文件中
streamWriter.Flush();
//关闭streamWriter
streamWriter.Close();
}
}
#endregion
}
}