using System.Data;
using
System.IO;
/// <summary>
/// Stream读取.csv文件
/// </summary>
/// <param name="filePath">文件路径</param>
/// <returns></returns>
public
static
DataTable OpenCSV(
string
filePath)
{
DataTable dt =
new
DataTable();
FileStream fs =
new
FileStream(filePath, FileMode.Open, FileAccess.Read);
StreamReader sr =
new
StreamReader(fs, System.Text.Encoding.Default);
//记录每次读取的一行记录
string
strLine =
""
;
//记录每行记录中的各字段内容
string
[] aryLine;
//标示列数
int
columnCount = 0;
//标示是否是读取的第一行
bool
IsFirst =
true
;
//逐行读取CSV中的数据
while
((strLine=sr.ReadLine())!=
null
)
{
aryLine = strLine.Split(
','
);
if
(IsFirst==
true
)
{
IsFirst =
false
;
columnCount = aryLine.Length;
for
(
int
i = 0; i < columnCount; i++)
{
DataColumn dc =
new
DataColumn(aryLine[i]);
dt.Columns.Add(dc);
}
}
else
{
DataRow dr = dt.NewRow();
for
(
int
j = 0; j < columnCount; j++)
{
dr[j] = aryLine[j];
}
dt.Rows.Add(dr);
}
}
sr.Close();
fs.Close();
return
dt;
}