UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(30, 90, 150, 50)];
NSMutableDictionary *attributes = [NSMutableDictionary dictionary];
attributes[NSStrokeColorAttributeName] = [UIColor blueColor];
attributes[NSStrokeWidthAttributeName] = @6;
NSShadow *shadow = [[NSShadow alloc] init];
shadow.shadowColor = [UIColor redColor];
shadow.shadowBlurRadius = 5;
shadow.shadowOffset = CGSizeMake(10, 10);
attributes[NSShadowAttributeName] = shadow;
label.attributedText = [[NSAttributedString alloc] initWithString:@"我的地盘" attributes:attributes];
[self.view addSubview:label];