iphone--UIScrollView使用加载图片

bigImgScroll=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, self.frame.size.width,self.frame.size.height-35)];

bigImgScroll.delegate=self;

bigImgScroll.pagingEnabled=YES;//remember

bigImgScroll.contentSize=CGSizeMake(self.frame.size.width*7, self.frame.size.height);//remain

[bigImgScroll setScrollEnabled:YES];

[self addSubview:bigImgScroll];

[self sendSubviewToBack:bigImgScroll];