xib自定义uiview

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1.设置view的 custom class （非files owner）

2.初始化
(1) 外部加载xib

XpView *xp = [[[NSBundle mainBundle]loadNibNamed:@"XpView" owner:self options:nil] lastObject];
xp.frame = CGRectMake(0, 300, 375, 150);
[self.view addSubview:xp];

(2)内部加载xib

+ (instancetype)shareXpView {
    return [[[NSBundle mainBundle] loadNibNamed:@"XpView" owner:self options:nil] lastObject];
}

3.自定义属性

- (void)awakeFromNib {
    [super awakeFromNib];
    NSLog(@"%s", __func__);
    [self setup];
}