linq查询中的字符串解析并使用匿名类型

Question

我有很多这样的对象：

 var obj4 = new Data { name = "person", date = DateTime.Now.AddDays(1), data = "pr-214-2-20151224-word2-word3" };

我想编写一个结果如下的 linq 查询：

result=[name=person, date=04/09/2016 12:00:00 AM, data=[2,3]]//2 and 3 are the numbers after word

到目前为止我试过这个：

   var listak=new List<Data>{obj,obj2,obj3,obj4};
    var u = listak.OrderByDescending(s => s.date).TakeWhile(s => s.date > DateTime.Now).Select(s=>new
    {
        name=s.name,
        date=s.date,
        data=s.data.Split(new []{"-"},StringSplitOptions.None).Select(m=>new
        {
            word = m.Where(c=>m.StartsWith("word")).Select(c=>m.Remove(0,4))//this line is incorrect, i dont know how to correct this part
        })

    });

但是我得不到我想要的，我该如何实现？

Answer 1

你可以试试这个：

   var obj4 = new { name = "person", date = DateTime.Now.AddDays(1), data = "pr-214-2-20151224-word2-word3" };
   var listak = new[] { obj4 }.ToList();
   var u = listak.OrderByDescending(s => s.date).TakeWhile(s => s.date > DateTime.Now).Select(s => new
   {
        name = s.name,
        date = s.date,
        data = s.data.Split(new[] { "-" }, StringSplitOptions.None).Where(c => c.StartsWith("word")).Select(m => m.Remove(0, 4))
    });

    Console.Write(u);

linq查询中的字符串解析并使用匿名类型

string parsing in linq query and use anonymous type

c#

linq

anonymous-types

string-parsing