C#读取TXT文件的代码实现

C#读取TXT文件是如何是实现的呢？本文就向你讲述C#读取TXT文件的实现方法和代码。

C#读取TXT文件之HTML的文件：

﹤body﹥
﹤formid="form1"runat="server"﹥
﹤div﹥
 ﹤/div﹥
﹤tableborder="0"cellpadding="0"
cellspacing="0"style="width:603px;height:148px"﹥
﹤tr﹥
﹤tdstyle="width:100px"﹥
序号：﹤asp:TextBoxID="TextBox1"runat="server"﹥
﹤/asp:TextBox﹥﹤/td﹥
﹤tdstyle="width:100px"﹥
姓名：﹤asp:TextBoxID="TextBox2"runat="server"﹥
﹤/asp:TextBox﹥﹤/td﹥
﹤tdstyle="width:100px"﹥
出生日期：﹤asp:TextBoxID="TextBox3"runat="server"﹥
﹤/asp:TextBox﹥﹤/td﹥
﹤/tr﹥ //C#读取TXT文件
﹤tr﹥
﹤tdstyle="width:100px"﹥
﹤asp:FileUploadID="FileUpload2"runat="server"/﹥
﹤/td﹥
﹤tdstyle="width:100px"﹥
﹤asp:ButtonID="Button1"runat="server"
OnClick="Button1_Click"Text="导入"/﹥
﹤asp:ButtonID="Button2"runat="server"
OnClick="Button2_Click"Text="查询"/﹥﹤/td﹥
﹤tdstyle="width:100px"﹥
﹤/td﹥
﹤/tr﹥
﹤/table﹥
﹤/form﹥
﹤/body﹥

C#读取TXT文件的C#代码:

usingSystem;
usingSystem.Data;
usingSystem.Configuration;
usingSystem.Collections;
usingSystem.Web;
usingSystem.Web.Security;
usingSystem.Web.UI;
usingSystem.Web.UI.WebControls;
usingSystem.Web.UI.WebControls.WebParts;
usingSystem.Web.UI.HtmlControls;
usingSystem.IO;
usingSystem.Data.SqlClient;

publicpartialclass_Default:System.Web.UI.Page
{
stringid1,name,birthday,str,sfz,sex;
SqlConnectioncon=newSqlConnection();
SqlDataReaderdr=null;
//inti,count=1;
protectedvoidPage_Load(objectsender,EventArgse)
{

} //C#读取TXT文件
privatevoidLeadInsert()
{
try
{

stringpath=FileUpload2.PostedFile.FileName;//定义上传路径
StreamReadersmRead=newStreamReader(path,
System.Text.Encoding.Default);//设置路径
stringline;
while((line=smRead.ReadLine())!=null)
{
string[]arrStr=line.Split('|');//分割符“|”
id1=arrStr[0].ToString();
name=arrStr[1].ToString();
sfz=arrStr[2].ToString();
//birthday=arrStr[3].ToString();
//sex=arrStr[4].ToString();
if(Convert.ToInt32(sfz.Length.ToString())==18)
{
birthday=sfz.Substring(6,8);
DateTimemydt=DateTime.ParseExact(birthday,"yyyyMMdd",null);
birthday=mydt.ToString("yyyy-MM-dd");
}
if(Convert.ToInt32(sfz.Length.ToString())==15)
{
birthday="19"+sfz.Substring(6,6).ToString();
DateTimemydt=DateTime.ParseExact(birthday,"yyyyMMdd",null);
birthday=mydt.ToString("yyyy-MM-dd");
}
if(Convert.ToInt32(sfz.Length.ToString())==18)
{
if(((Convert.ToInt16(sfz.Substring(16,1).ToString()))%2==0))
{
sex="0";
}
else              //C#读取TXT文件
{
sex="1";
}
}
if(Convert.ToInt32(sfz.Length.ToString())==15)
{
if(((Convert.ToInt16(sfz.Substring(13,1).ToString()))%2==0))
{
sex="0";
}
else
{
sex="1";
}
}
stringConnStr="server=localhost;uid=sa;pwd=sa;database=GAC";
con.ConnectionString=ConnStr;
con.Open();
SqlCommandcmd=newSqlCommand();
cmd.CommandText="insertintotxt(name,birthday,sex,sfz)
VALUES(@name,@birthday,@sex,@sfz)";
cmd.Connection=con;
cmd.Parameters.Clear();
//cmd.Parameters.Add("@id1",SqlDbType.Int);
//cmd.Parameters["@id1"].Value=Convert.ToInt32(id1);
cmd.Parameters.Add("@name",SqlDbType.VarChar,50);
cmd.Parameters["@name"].Value=name.ToString();
cmd.Parameters.Add("@sfz",SqlDbType.VarChar,20);
cmd.Parameters["@sfz"].Value=sfz.ToString();
cmd.Parameters.Add("@birthday",SqlDbType.VarChar,50);
if(birthday.Length﹥0)
{
cmd.Parameters["@birthday"].Value=birthday.ToString();
}
else{
cmd.Parameters["@birthday"].Value=DBNull.Value;
}
cmd.Parameters.Add("@sex",SqlDbType.Char,10);
if(sex.Length﹥0)
{
cmd.Parameters["@sex"].Value=Convert.ToInt16(sex.ToString());
}
else
{ //C#读取TXT文件
cmd.Parameters["@sex"].Value=DBNull.Value;
}
cmd.ExecuteNonQuery();
con.Close();
}
}
catch(Exceptionee){}
finally{

}

}
protectedvoidButton1_Click(objectsender,EventArgse)
{
LeadInsert();
}

protectedvoidButton2_Click(objectsender,EventArgse)
{

}
}
//C#读取TXT文件

usingSystem;
usingSystem.Data;
usingSystem.Configuration;
usingSystem.Collections;
usingSystem.Web;
usingSystem.Web.Security;
usingSystem.Web.UI;
usingSystem.Web.UI.WebControls;
usingSystem.Web.UI.WebControls.WebParts;
usingSystem.Web.UI.HtmlControls;
usingSystem.IO;
usingSystem.Data.SqlClient;

publicpartialclass_Default:System.Web.UI.Page
{
stringid1,name,birthday,str,sfz,sex;
SqlConnectioncon=newSqlConnection();
SqlDataReaderdr=null;
//inti,count=1;
protectedvoidPage_Load(objectsender,EventArgse)
{

}
privatevoidLeadInsert()
{
try
{ //C#读取TXT文件

stringpath=FileUpload2.PostedFile.FileName;
StreamReadersmRead=newStreamReader(path,
System.Text.Encoding.Default);
stringline;
while((line=smRead.ReadLine())!=null)
{
string[]arrStr=line.Split('|');
id1=arrStr[0].ToString();
name=arrStr[1].ToString();
sfz=arrStr[2].ToString();
//birthday=arrStr[3].ToString();
//sex=arrStr[4].ToString();
if(Convert.ToInt32(sfz.Length.ToString())==18)
{
birthday=sfz.Substring(6,8);
DateTimemydt=DateTime.ParseExact(birthday,"yyyyMMdd",null);
birthday=mydt.ToString("yyyy-MM-dd");
}
if(Convert.ToInt32(sfz.Length.ToString())==15)
{
birthday="19"+sfz.Substring(6,6).ToString();
DateTimemydt=DateTime.ParseExact(birthday,"yyyyMMdd",null);
birthday=mydt.ToString("yyyy-MM-dd");
}
if(Convert.ToInt32(sfz.Length.ToString())==18)
{
if(((Convert.ToInt16(sfz.Substring(16,1).ToString()))%2==0))
{
sex="0";
}
else
{ //C#读取TXT文件
sex="1";
}
}
if(Convert.ToInt32(sfz.Length.ToString())==15)
{
if(((Convert.ToInt16(sfz.Substring(13,1).ToString()))%2==0))
{
sex="0";
}
else
{
sex="1";
}
}
stringConnStr="server=localhost;uid=sa;pwd=sa;database=GAC";
con.ConnectionString=ConnStr;
con.Open();
SqlCommandcmd=newSqlCommand();
cmd.CommandText="insertintotxt(name,birthday,sex,sfz)VALUES(@name,@birthday,@sex,@sfz)";
cmd.Connection=con;
cmd.Parameters.Clear();
//cmd.Parameters.Add("@id1",SqlDbType.Int);
//cmd.Parameters["@id1"].Value=Convert.ToInt32(id1);
cmd.Parameters.Add("@name",SqlDbType.VarChar,50);
cmd.Parameters["@name"].Value=name.ToString();
cmd.Parameters.Add("@sfz",SqlDbType.VarChar,20);
cmd.Parameters["@sfz"].Value=sfz.ToString();
cmd.Parameters.Add("@birthday",SqlDbType.VarChar,50);
if(birthday.Length﹥0)
{
cmd.Parameters["@birthday"].Value=birthday.ToString();
}
else{
cmd.Parameters["@birthday"].Value=DBNull.Value;
}
cmd.Parameters.Add("@sex",SqlDbType.Char,10);
if(sex.Length﹥0)
{
cmd.Parameters["@sex"].Value=Convert.ToInt16(sex.ToString());
}
else
{ //C#读取TXT文件
cmd.Parameters["@sex"].Value=DBNull.Value;
}
cmd.ExecuteNonQuery();
con.Close();
}
}
catch(Exceptionee){}
finally{

}

}
protectedvoidButton1_Click(objectsender,EventArgse)
{
LeadInsert();
}

protectedvoidButton2_Click(objectsender,EventArgse)
{

}
}