这有效:
var list = conn.Query<int>(
"select Id from Person where Id in @ids",
new { ids = new int[] { 1, 2, 3 } }
);
这会抛出“不存在从对象类型 System.Int32[] 到已知托管提供程序本机类型的映射。”:
DynamicParameters parameters = new DynamicParameters(
new { ids = new int[] { 1, 2, 3 } }
);
var list2 = conn.Query<int>(
"select Id from Person where Id in @ids",
parameters
);
有任何想法吗?