如何去List<实体>里面实体某个属性相同的数据public class A{ public string Name { get; set; } public string Age { get; se

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private class AAA { public string name { get; set; } public string arg { get; set; } }List<AAA> aaa = new List<AAA>();            AAA fff = new AAA();            fff.name = "张三";            fff.arg = "12";            aaa.Add(fff);            fff = new AAA();            fff.name = "李四";            fff.arg = "12";            aaa.Add(fff);            fff = new AAA();            fff.name = "张三";            fff.arg = "13";            aaa.Add(fff);            fff = new AAA();            fff.name = "王五";            fff.arg = "13";            aaa.Add(fff);            fff = new AAA();            fff.name = "张三";            fff.arg = "14";            aaa.Add(fff);            var ccc = aaa.Where(aa => aa.name == "张三");            Console.WriteLine(string.Join(" ", ccc.Select(aa => aa.name + " " + aa.arg).ToArray()));

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