C# 利用*.SQL文件自动建库建表等的类

时间:2023-02-06 09:25:04
 /// <summary>
/// 自动建库建表
/// </summary>
public class OperationSqlFile
{
SqlConnection sqlCon;
SqlCommand sqlCom;
String _varFileName = "";
String _conn = "";
String _database = "";
/// <summary>
/// 实例化 ExecuteSqlFile FileName:SQL文件路径 conn:连接数据源字符串 database:数据库名
/// </summary>
/// <param name="FileName">SQL文件路径</param>
/// <param name="conn">连接数据源字符串</param>
/// <param name="database">数据库名</param>
/// <returns></returns>
public OperationSqlFile(String FileName, String Fonn, String Satabase)
{
_varFileName = FileName;
_conn = Conn;
_database = Database;
}
/// <summary>
/// 开始执行
/// </summary>
public void Start()
{
ExecuteSql(_conn, _database, "create database " + _database);//建库
String Conn = _conn + ";Initial Catalog=" + _database;
ExecuteSqlFile(_varFileName, Conn);
}
/// <summary>
/// 执行Sql语句
/// </summary>
/// <param name="connString">连接字符串</param>
/// <param name="DatabaseName">数据库名</param>
/// <param name="sql">SQL语句</param>
/// <returns></returns>
private void ExecuteSql(string connString, string DatabaseName, string sql)
{
sqlCon = new SqlConnection(connString);
sqlCon.Open();
sqlCom = new SqlCommand(sql, sqlCon);
try
{
sqlCom.ExecuteNonQuery();
}
catch (Exception e)
{
}
finally
{
sqlCon.Close();
}
}
/// <summary>
/// 执行Sql文件
/// </summary>
/// <param name="varFileName"></param>
/// <param name="Conn"></param>
/// <returns></returns>
private bool ExecuteSqlFile(string varFileName, String Conn)
{
if (!File.Exists(varFileName))
{
return false;
}
StreamReader sr = File.OpenText(varFileName);
ArrayList alSql = new ArrayList();
string commandText = "";
string varLine = "";
while (sr.Peek() > -)
{
varLine = sr.ReadLine();
if (varLine == "")
{
continue;
}
if (varLine != "GO")
{
commandText += varLine;
commandText += "\r\n";
}
else
{
alSql.Add(commandText);
commandText = "";
}
}
sr.Close();
try
{
ExecuteCommand(alSql, Conn);
}
catch
{
return false;
}
return true;
}
private void ExecuteCommand(ArrayList varSqlList, String Conn)
{
sqlCon = new SqlConnection(Conn);
sqlCon.Open();
SqlTransaction varTrans = sqlCon.BeginTransaction();
sqlCom = new SqlCommand();
sqlCom.Connection = sqlCon;
sqlCom.Transaction = varTrans;
try
{
foreach (string varcommandText in varSqlList)
{
sqlCom.CommandText = varcommandText;
try
{
sqlCom.ExecuteNonQuery();
}
catch (Exception ex)
{
}
}
varTrans.Commit();
}
catch (Exception ex)
{ }
finally
{
sqlCon.Close();
}
}
}
执行
string FNADD = C:/mySql.sql;//SQL文件地址
String Conn = "Data Source=(local);Integrated Security=True";//连接数据库字符串
String DataB = "MyDATA";//要创建的数据库名
OperationSqlFile Ex = new OperationSqlFile(FNADD, Conn , DataB );
Ex.Start();