iOS巅峰之背景添加毛玻璃

self.blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];

self.diaryStartEditingBlurView = [[UIVisualEffectView alloc] initWithEffect:self.blurEffect];

self.diaryStartEditingBlurView.frame = CGRectMake(0, 0, kScreenWidth, kScreenHeight);

[self addSubview:self.diaryStartEditingBlurView];