UIImageView

//UIImageView

//初始化

UIImageView * BGimageView = [[UIImageView alloc]initWithFrame:self.view.bounds];//布满全屏

具体位置

//CGRectMake(SCREEN_WIDTH * 0.3, SCREEN_HEIGHT * 0.4, 200, 50);

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//自定义图片

[BGimageView setImage:[UIImage imageNamed:@"IU2"]];

[self.view addSubview:BGimageView];