/// <summary>
/// 查询 list
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="unitOfWork"></param>
/// <param name="sql"></param>
/// <returns></returns>
public static async Task <List <T> > Query <T>(IUnitOfWork unitOfWork, Expression <Func <T, bool> > whereLambda, SqlQuery sql = null) where T : class
{
var db = unitOfWork.DbConnection;
if (sql == null)
{
sql = SqlQuery <T> .Builder(unitOfWork);
}
sql._Sql = new StringBuilder(LambdaToSqlHelper <T> .GetWhereByLambda(whereLambda, unitOfWork.DbType));
var result = await db.QueryAsync <T>(sql.QuerySql, sql.Param);
return(result.ToList());
}
public static async Task <DataTable> QueryDataTable <T>(IUnitOfWork unitOfWork, Expression <Func <T, bool> > whereLambda, SqlQuery sql = null) where T : class
{
var db = unitOfWork.DbConnection;
if (sql == null)
{
sql = SqlQuery <T> .Builder(unitOfWork);
}
sql._Sql = new StringBuilder(LambdaToSqlHelper <T> .GetWhereByLambda(whereLambda, unitOfWork.DbType));
DataTable dataTable = new DataTable();
var result = await unitOfWork.DbConnection.ExecuteReaderAsync(sql.QuerySql, sql.Param);
dataTable.Load(result);
return(dataTable);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="unitOfWork"></param>
/// <param name="whereLambda"></param>
/// <param name="sql"></param>
/// <returns></returns>
public static async Task <T> SingleOrDefault <T>(IUnitOfWork unitOfWork, Expression <Func <T, bool> > whereLambda, SqlQuery sql = null) where T : class
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
var db = unitOfWork.DbConnection;
if (sql == null)
{
sql = SqlQuery <T> .Builder(unitOfWork);
}
sql._Sql = new StringBuilder(LambdaToSqlHelper <T> .GetWhereByLambda(whereLambda, unitOfWork.DbType));
var result = await db.QueryFirstOrDefaultAsync <T>(sql.QuerySql);
return(result);
}
/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="unitOfWork"></param>
/// <param name="sql"></param>
/// <returns></returns>
public static async Task <int> Delete <T>(IUnitOfWork unitOfWork, Expression <Func <T, bool> > whereLambda, SqlQuery sql = null) where T : class
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
var db = unitOfWork.DbConnection;
if (sql == null)
{
sql = SqlQuery <T> .Builder(unitOfWork);
}
sql._Sql = new StringBuilder(LambdaToSqlHelper <T> .GetWhereByLambda(whereLambda, unitOfWork.DbType));
var result = await db.ExecuteAsync(sql.DeleteSql, sql.Param);
stopwatch.Stop();
return(result);
}