获取字符串内容的宽度，label.text的宽度，以及textField.text的宽度问题

intrinsicContentSize//固有的，内容，尺寸

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake((K_Width-160)/2, 100, 160, 60)];

    label.backgroundColor=[UIColor redColor];

    label.textColor=[UIColor blackColor];

    label.textAlignment=NSTextAlignmentCenter;

    label.numberOfLines=0;

    label.text=@"你好啊，提莫队长，真是个小朋友";

    [self.view addSubview:label];

    

    NSLog(@"--->%.2f",label.intrinsicContentSize.width);

    UITextField *textField=[[UITextField alloc]initWithFrame:CGRectMake((K_Width-160)/2, 200, 160, 60)];

    textField.text=@"伤心伤心伤心伤心1";

    textField.backgroundColor=[UIColor blueColor];

    textField.textAlignment=NSTextAlignmentCenter;

    textField.borderStyle=UITextBorderStyleRoundedRect;

    [self.view addSubview:textField];

    NSLog(@"输入框的内容的宽度-->%.2f",textField.intrinsicContentSize.width);

}