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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string[] array = { "111","444" };
List<Test> lstTest = new List<Test>()
{
new Test{ Name="a1",Tag="111,222,333"},
new Test{ Name="a2", Tag="222,333,444"}
};
// var lst = lstTest.Where(x => array.Contains(x.Tag)).ToList();
var lst = lstTest.Where(x => x.Tag.Contains(string.Join(",", array))).ToList();
foreach (var i in lst)
{
Console.Write("Name:{0},Tag:{1}", i.Name, i.Tag);
}
}
}
class Test
{
public string Name { get; set; }
public string Tag { get; set; }
}
}
CHARINDEX('12','123456')>0
array.Any(y=>x.Contains(y))
那就不切割x.Tag.Split(',').Any(y=>array.Contains(y))