/// <summary>
/// 构造DbContext(自定义连接字符串)
/// </summary>
/// <param name="teacherBusinessId"></param>
public UserDbContext(IUserDbSetting dbSetting) : base(CreateDbConnection(dbSetting), false)
{
var dbConnection = CreateDbConnection(dbSetting);
_connectionString = dbConnection.ConnectionString;
//this.Configuration.LazyLoadingEnabled = false;
}
/// <summary>
/// 动态创建连接
/// </summary>
/// <param name="teacherBusinessId"></param>
/// <returns></returns>
public static DbConnection CreateDbConnection(IUserDbSetting dbSetting)
{
if (dbSetting == null)
{
throw new NullReferenceException("未提供有效的数据库配置.");
}
string teacherDbFilePath = dbSetting.GetFullDbPath();
DbConnection connection = SQLiteProviderFactory.Instance.CreateConnection();
connection.ConnectionString = $"Data Source={teacherDbFilePath}";
return(connection);
}
