7.21按钮的文字在图片正下方，循环创建

for (int i =0; i<2; i++) {

_btn=[[UIButton alloc] initWithFrame:CGRectMake(((SCREEN_WIDTH-260*SCREEN_WIDTH/375)/2+1)*i, 0, (SCREEN_WIDTH-260*SCREEN_WIDTH/375)/2, 49)];

[_btn setTitle:_titleArray[i]  forState:UIControlStateNormal];

//            [btn setImage:[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@",self.imagebtnAry[i]]]]] forState:UIControlStateNormal];

[_btn setImage:[UIImage imageNamed:self.imageArray[i]] forState:UIControlStateNormal];

[_btn setTitleColor:[UIColor colorWithHexString:@"#9c9c9c"] forState:UIControlStateNormal];

[_btn addTarget:self action:@selector(btnAction:) forControlEvents:UIControlEventTouchUpInside];

_btn.titleLabel.font=[UIFont systemFontOfSize:10];

_btn.tag = i;

if (_btn.tag == 0) {

[_btn setImage:[UIImage imageNamed:@"未收藏"] forState:UIControlStateNormal];

[_btn setImage:[UIImage imageNamed:@"收藏"] forState:UIControlStateSelected];

NSLog(@"++++++shoucang");

}

CGFloat totalHeight = (_btn.imageView.frame.size.height + _btn.titleLabel.frame.size.height);

_btn.backgroundColor = [UIColor whiteColor];

//设置按钮的图片和文字的

_btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;//使图片和文字水平居中显示

[_btn setTitleEdgeInsets:UIEdgeInsetsMake(1.3*_btn.imageView.frame.size.height ,-_btn.imageView.frame.size.width, 0.0,0.0)];//文字距离上边框的距离增加imageView的高度，距离左边框减少imageView的宽度，距离下边框和右边框距离不变

[_btn setImageEdgeInsets:UIEdgeInsetsMake(-1.3*(totalHeight - _btn.imageView.frame.size.height), 0.0,0.0, -_btn.titleLabel.bounds.size.width)];//图片距离右边框距离减少文字的宽度，其它不边

[self.bottomView addSubview:_btn];

}