using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.OracleClient;
using System.Data;
using System.IO;
namespace TextCSV
{
class Program
{
static void Main(string[] args)
{
//用provide 报错,去掉就好了,注意需要引用oracleclient
string strCon = "Password=egdb;User ;
OracleConnection con = new OracleConnection(strCon);
con.Open();
OracleCommand cmd = new OracleCommand();
cmd.Connection = con;
cmd.CommandText = "select * from menu_perm";
cmd.CommandType = CommandType.Text;
OracleDataAdapter ad = new OracleDataAdapter(cmd);
DataSet ds = new DataSet();
ad.Fill(ds);
con.Close();
using (StreamWriter streamWriter = new StreamWriter(@"d:\1.csv", false, Encoding.Default))
{
if (ds.Tables[0].Rows.Count > 0)
{
foreach (DataRow row in ds.Tables[0].Rows)
{
StringBuilder str = new StringBuilder();
foreach (DataColumn col in ds.Tables[0].Columns)
{
//插入“,”自动会分割成不同的行。
str.Append(row[col.Caption.ToString()].ToString()+",");
}
streamWriter.WriteLine(str.ToString());
}
}
streamWriter.Flush();
streamWriter.Close();
}
}
}
}