string[] array = { "a", "b", "c", "d", "e", "f" };
var result = array.Where(item => item == "a");
如何一次查出item为a,b,c的元素?
类似SQL中select id from table where id in (1,2,3)
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C# Where() Lamba语句如何实现SQL中的where t.id in (1,2,3)
string[] array = { "a", "b", "c", "d", "e", "f" }; var result = array.Where(item => item == "a"); 如何一次查出item为a,b,c的元素? 类似SQL中select id from table where id in (1,2,3)