ios开发- 将字符串切割成数组 componentSeparatedByString

将字符串切割成数组

-(void)viewDidLoad
{
    NSString * a = [[NSString alloc]initWithString :@"冬瓜,西瓜,火龙果,大头,小狗"];
    NSArray * b = [a componentsSeparatedByString:@","];
    NSString * a3 = [b objectAtIndex:2];
    NSLog(@"\n b的第三个东东是: %@",a3);
}

打印结果是 2011-07-12 18:45:12.682 Q[8778:207]   b的第三个东东是： 火龙果