uibutton设置
UIButton *selectMore = [UIButton buttonWithType:UIButtonTypeCustom];
selectMore.frame = CGRectMake(0, __kScreenHeight - 42, __kScreenWidth / 2, 42);
// UIButton *selectMore = [[UIButton alloc] initWithFrame:CGRectMake(0, __kScreenHeight - 42, __kScreenWidth / 2, 42)];
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"selectMore" ofType:@"png"];
// [selectMore setBackgroundImage:[UIImage imageWithContentsOfFile:filePath] forState:UIControlStateNormal];
[selectMore setBackgroundColor:__kColorWithRGB(240, 241, 243, 1)];
[selectMore setTitle:@"选择更多商品" forState:UIControlStateNormal];
[selectMore setTitle:@"选择更多商品" forState:UIControlStateHighlighted];
selectMore.titleLabel.font = [UIFont boldSystemFontOfSize:22];
//selectMore.titleLabel.textColor = [UIColor greenColor];
[selectMore setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[selectMore addTarget:self action:@selector(moreClick:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:selectMore];
_selectMoreBtn = selectMore;