编辑代码

using System;



public class HelloWorld
{
    public static void Main()
    {
       int arr[]={85,63,52,34,25,17,6};
        int keyPos=searchArray(8,arr,7);
        if(keyPos!=1){
        Console.WriteLine("元素6存在，索引值为");
        }else{
        Console.WriteLine("元素6不存在");
        }
    }
    int searchArray(int searchKey, int array[100], int arrLen)
{
	int keyPos = -1;
	int i; 
	for (i = 0; i < arrLen; i++)
	{
		if (array[i] == searchKey)
		{
			keyPos = i;
            return keyPos;
		}
	}
    return keyPos;
}

}