static DBHelper getDBHelper(DbContext dbContext)
{
var dbConnection = dbContext.Database.GetDbConnection();
var builder = DBConfigRegister.GetInstance();
builder.RegisterDBAccessBuild(dbLocation =>
{
return(new DBAccessBuild(DBType.MSSQL, dbConnection));
});
var dbConnectionTypeName = dbConnection.GetType().Name;
DBType dBType = DBType.MSSQL;
switch (dbConnectionTypeName)
{
case "SqlConnection":
dBType = DBType.MSSQL;
break;
case "MySqlConnection":
dBType = DBType.MYSQL;
break;
case "OracleConnection":
dBType = DBType.ORACLE;
break;
}
var dBAccessBuild = new DBAccessBuild(dBType, dbConnection);
var helper = DBConfigRegister.GetDBHelper(dBAccessBuild);
return(helper);
}
public MongoDBHelper(DBAccessBuild dBAccessBuild)
: base(dBAccessBuild)
{
var _connectionString = dBAccessBuild._connectionString;
var lastIndex = _connectionString.LastIndexOf("/");
var dataBaseName = _connectionString.Substring(lastIndex + 1);//like mongodb://localhost:27017/db1
_dataBaseName = dataBaseName;
}
public DBHelper(DBAccessBuild dBAccessBuild)
{
if (dBAccessBuild._connection != null)
{
AutoCloseConn = false;
currentConn = dBAccessBuild._connection;
return;
}
if (string.IsNullOrEmpty(dBAccessBuild._connectionString))
{
throw new Exception("连接字符串为空");
}
_params = new Dictionary <string, object>();
ConnectionString = dBAccessBuild._connectionString;
}
public OracleHelper(DBAccessBuild dBAccessBuild)
: base(dBAccessBuild)
{
}
/// <summary>
/// 根据参数类型实例化
/// </summary>
/// <param name="_connectionString">内容</param>
public SqlHelper(DBAccessBuild dBAccessBuild)
: base(dBAccessBuild)
{
}