/// <summary>
/// createDBByCopy: 通过复制模版数据库文件来创建数据库
/// </summary>
/// <param name="_DBName">新建数据库名</param>
/// <param name="_sourcePath">模版数据库名</param>
/// <param name="_targetPath">新建数据库路径</param>
/// <param name="_targetPath">模版数据库路径</param>
public string createDBByCopy(string _DBName, string _DBTemplate, string _targetPath, string _sourcePath)
{
string _return = String.Empty;
try
{
string _tPath = _targetPath + "\\" + _DBName, _sPath = _sourcePath + "\\Fily";
helper.execNonQuery(@"
use master;if exists (select * from sysdatabases where name='{0}') drop database {0};
exec sp_dboption '{1}', 'offline', 'True';alter database {1} set single_user with rollback IMMEDIATE;
", _DBName, _DBTemplate);
MFile.createFile(_tPath);
MFile.copy(_sPath + "\\" + _DBTemplate + ".mdf", _tPath + "\\" + _DBName + ".mdf", true);
MFile.copy(_sPath + "\\" + _DBTemplate + "_log.ldf", _tPath + "\\" + _DBName + "_log.ldf", true);
helper.execNonQuery(@"
use master; exec sp_dboption '{1}', 'offline', 'False';alter database {1} set multi_user;
CREATE DATABASE {0} ON (FILENAME = '{2}\\0}.mdf'), (FILENAME = '{2}\\{0}_log.ldf') FOR ATTACH;
", _DBName, _DBTemplate, _tPath);
}
catch (Exception ex) {
_return = Native.getErrorMsg(ex.Message);
}
return(_return);
}
