其实一行代码就可以了,不用写那么多循环,先看看老外写的代码
using
System;
class Program
{
static void Main()
{
string [] array = { " cat " , " dot " , " perls " };
// Use Array.Exists in different ways.
bool a = Array.Exists(array, element => element == " perls " );
bool b = Array.Exists(array, element => element == " python " );
bool c = Array.Exists(array, element => element.StartsWith( " d " ));
bool d = Array.Exists(array, element => element.StartsWith( " x " ));
// Output.
Console.WriteLine(a);
Console.WriteLine(b);
Console.WriteLine(c);
Console.WriteLine(d);
}
class Program
{
static void Main()
{
string [] array = { " cat " , " dot " , " perls " };
// Use Array.Exists in different ways.
bool a = Array.Exists(array, element => element == " perls " );
bool b = Array.Exists(array, element => element == " python " );
bool c = Array.Exists(array, element => element.StartsWith( " d " ));
bool d = Array.Exists(array, element => element.StartsWith( " x " ));
// Output.
Console.WriteLine(a);
Console.WriteLine(b);
Console.WriteLine(c);
Console.WriteLine(d);
}
string[] SetSelectIds = string[] { "aa", "bb", "cc" };
string id = string "bb";
if (Array.Exists(SetSelectIds, element => element.Equals(id)))
Array.IndexOf(SetSelectIds, id) >= 0;
本文转自 jirigala 51CTO博客，原文链接：http://blog.51cto.com/2347979/1197369，如需转载请自行联系原作者
