DZNEmptyDataSet 当没有数据时tableview，collection的显示

#import "UIScrollView+EmptyDataSet.h"

<DZNEmptyDataSetSource,DZNEmptyDataSetDelegate>

    _tableView.emptyDataSetSource = self;
    _tableView.emptyDataSetDelegate = self；

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return 0;
}

#pragma mark - DZNEmptyDataSetSource Methods
/**< 题目 >*/
- (NSAttributedString *)titleForEmptyDataSet:(UIScrollView *)scrollView {
    
    NSMutableDictionary *attribute = [[NSMutableDictionary alloc] init];
    attribute[NSFontAttributeName] = [UIFont systemFontOfSize:20];
    attribute[NSForegroundColorAttributeName] = [UIColor greenColor];
    return [[NSAttributedString alloc] initWithString:@"title title" attributes:attribute];
}

/**< 描述 >*/
- (NSAttributedString *)descriptionForEmptyDataSet:(UIScrollView *)scrollView {
    
    NSMutableDictionary *attribute = [[NSMutableDictionary alloc] init];
    attribute[NSFontAttributeName] = [UIFont systemFontOfSize:12];
    attribute[NSForegroundColorAttributeName] = [UIColor yellowColor];
    
    /**< 段落 >*/
    NSMutableParagraphStyle *patagraph = [[NSMutableParagraphStyle alloc] init];
    patagraph.lineBreakMode = NSLineBreakByWordWrapping;
    patagraph.alignment = NSTextAlignmentCenter;
    patagraph.lineSpacing = 4.0;
    attribute[NSParagraphStyleAttributeName] = patagraph;
    NSMutableAttributedString *attstr = [[NSMutableAttributedString alloc] initWithString:@"描述性文本，描述信息，描述" attributes:attribute];
    
    return attstr;
    
}
/**< 图片 >*/
- (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView {
    return [UIImage imageNamed:@"[白眼]"];
}
/**< 图片填充色 >*/
- (UIColor *)imageTintColorForEmptyDataSet:(UIScrollView *)scrollView {
    return [UIColor blueColor];
}

/**< 图片动画？暂时不知道 >*/
- (CAAnimation *)imageAnimationForEmptyDataSet:(UIScrollView *)scrollView {
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform"];
    animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];
    animation.toValue = [NSValue valueWithCATransform3D: CATransform3DMakeRotation(M_PI_2, 0.0, 0.0, 1.0) ];
    animation.duration = 0.25;
    animation.cumulative = YES;
    animation.repeatCount = MAXFLOAT;
    return animation;
}
/**< 按钮，文字 >*/
- (NSAttributedString *)buttonTitleForEmptyDataSet:(UIScrollView *)scrollView forState:(UIControlState)state {
    NSMutableDictionary *attribute = [[NSMutableDictionary alloc] init];
    attribute[NSFontAttributeName] = [UIFont systemFontOfSize:15];
    attribute[NSForegroundColorAttributeName] = [UIColor brownColor];
    return [[NSAttributedString alloc] initWithString:@"button title" attributes:attribute];
}

/**< 按钮，图片 >*/
- (UIImage *)buttonBackgroundImageForEmptyDataSet:(UIScrollView *)scrollView forState:(UIControlState)state {
    return [UIImage imageNamed:@"[白眼]"];
}

#pragma mark - DZNEmptyDataSetDelegate Methods
/**< 按钮点击事件代理 >*/
- (void)emptyDataSet:(UIScrollView *)scrollView didTapButton:(UIButton *)button {
    
}

 

使用：   pod 'DZNEmptyDataSet', :path => '../../'

一个区的时候可以，两个区以上的？？

链接： https://github.com/dzenbot/DZNEmptyDataSet

链接： http://j.news.163.com/docs/99/2015072119/AV2PUI3V9001UI40.html