iphone - 如何在文本标签而不是键中获取数组的值

Question

我有一个文本标签，当我按下按钮时会改变，标签确实会随着数组的使用而改变，但是我得到的不是数组的值，而是数组的键。

我应该怎么做才能获得价值？

这是代码：

    NSString*path = [[NSBundle mainBundle]pathForResource:@"words" ofType:@"plist"];
    words = [[NSMutableArray alloc]initWithContentsOfFile:path];
    NSString*generateRandomLabel =[NSString stringWithFormat:@"%d", arc4random_uniform([ words count])];
    [self.randomLabel setText:generateRandomLabel]; 

Answer 1

NSString*path = [[NSBundle mainBundle]pathForResource:@"words" ofType:@"plist"];
words = [[NSMutableArray alloc]initWithContentsOfFile:path];
NSString*generateRandomLabel = nil;
if ([words count] >0)
    generateRandomLabel = [NSString stringWithFormat:@"%@", [words objectAtIndex:arc4random_uniform([ words count]-1)]]; // To make sure object is not out of bounds of array add -1
else
    generateRandomLabel = @"No values in array";
[self.randomLabel setText:generateRandomLabel];