先来两张图片压压惊。。。。

2C585AF22652AD42B9D20135E656CB06.jpg

617927F5D6166D63B6505B321341F8D5.jpg

好了，不要沉浸在美景中，重点来了。

我用的是第三方DZNEmptyDataSet，非常方便。非常实用。先看一下效果图。O(∩∩)O

2016-12-08 17_06_13.gif

//
//  ViewController.m
//  DZNEmptyDataSetUserForMe
//
//  Created by mibo02 on 16/12/8.
//  Copyright © 2016年 mibo02. All rights reserved.
//

#import "ViewController.h"
#import "UIScrollView+EmptyDataSet.h"
#import "NewTableViewController.h"
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource,DZNEmptyDataSetSource,DZNEmptyDataSetDelegate>
@property (nonatomic, strong)UITableView *tableview;

@property (nonatomic, getter=isLoading)BOOL loading;

@end

@implementation ViewController


- (void)setLoading:(BOOL)loading
{
    if (self.loading == loading) {
        return;
    }
    _loading = loading;
    [self.tableview reloadEmptyDataSet];
}

- (IBAction)NextAction:(UIBarButtonItem *)sender {
    NewTableViewController *new = [NewTableViewController new];
    [self.navigationController pushViewController:new animated:YES];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.tableview = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width,self.view.frame.size.height) style:(UITableViewStylePlain)];
    self.tableview.delegate =self;
    self.tableview.dataSource = self;
    self.tableview.emptyDataSetSource = self;
    self.tableview.emptyDataSetDelegate = self;
    [self.view addSubview:self.tableview];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return 0;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *str = @"cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:str];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:(UITableViewCellStyleDefault) reuseIdentifier:str];
        
    }
    return cell;
}

//上标题（返回标题）
- (NSAttributedString *)titleForEmptyDataSet:(UIScrollView *)scrollView
{
    NSString *text = @"峰峰 和 蓉蓉";
    UIFont *font = [UIFont systemFontOfSize:17];
    UIColor *color = [UIColor redColor];
    NSMutableDictionary *attribult = [NSMutableDictionary new];
    [attribult setObject:font forKey:NSFontAttributeName];
    [attribult setObject:color forKey:NSForegroundColorAttributeName];
    return [[NSAttributedString alloc] initWithString:text attributes:attribult];
}
//详情标题（返回详情标题）
- (NSAttributedString *)descriptionForEmptyDataSet:(UIScrollView *)scrollView
{
    NSString *text = @"点击重新加载";
    
    NSMutableDictionary *attributes = [NSMutableDictionary new];
    NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init];
    paragraph.lineBreakMode = NSLineBreakByWordWrapping;
    paragraph.alignment = NSTextAlignmentCenter;
    [attributes setObject:[UIFont systemFontOfSize:17] forKey:NSFontAttributeName];
    [attributes setObject:[UIColor greenColor] forKey:NSForegroundColorAttributeName];
    [attributes setValue:paragraph forKey:NSParagraphStyleAttributeName];
    NSMutableAttributedString *attributeString = [[NSMutableAttributedString alloc] initWithString:text attributes:attributes];
    return attributeString;
}
//返回单张图片
- (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView
{
    if (self.isLoading) {
        return [UIImage imageNamed:@"loading_imgBlue_78x78"];
    } else {
        return [UIImage imageNamed:@"placeholder_kickstarter"];
    }
}
//让图片进行旋转
- (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;
}

#pragma mark - DZNEmptyDataSetDelegate Methods
- (BOOL)emptyDataSetShouldAnimateImageView:(UIScrollView *)scrollView
{
    return self.isLoading;
}
//点击view加载三秒后停止
- (void)emptyDataSet:(UIScrollView *)scrollView didTapView:(UIView *)view
{
    self.loading = YES;
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        self.loading = NO;
    });
}




- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

//
//  NewTableViewController.m
//  DZNEmptyDataSetUserForMe
//
//  Created by mibo02 on 16/12/8.
//  Copyright © 2016年 mibo02. All rights reserved.
//

#import "NewTableViewController.h"
#import "UIScrollView+EmptyDataSet.h"
@interface NewTableViewController ()<DZNEmptyDataSetSource,DZNEmptyDataSetDelegate>

@property (nonatomic, getter=isLoading)BOOL loading;


@end

@implementation NewTableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.tableView.emptyDataSetSource = self;
    self.tableView.emptyDataSetDelegate = self;
}
- (void)setLoading:(BOOL)loading
{
    if (self.loading == loading) {
        return;
    }
    _loading = loading;
    [self.tableView reloadEmptyDataSet];
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return 0;
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *str = @"reuseIdentifier";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:str];
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:(UITableViewCellStyleDefault) reuseIdentifier:str];
    }
    
    return cell;
}


#pragma mark - DZNEmptyDataSetSource Methods

//按钮
- (NSAttributedString *)buttonTitleForEmptyDataSet:(UIScrollView *)scrollView forState:(UIControlState)state
{
    NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
    [dic setValue:[UIColor redColor] forKey:NSForegroundColorAttributeName];
    [dic setValue:[UIFont systemFontOfSize:20] forKey:NSFontAttributeName];
    return [[NSAttributedString alloc] initWithString:@"点击重新加载..." attributes:dic];
}

//设置Button 的 图片
//- (UIImage *)buttonBackgroundImageForEmptyDataSet:(UIScrollView *)scrollView forState:(UIControlState)state
//{
//    return [UIImage imageNamed:@"placeholder_kickstarter"];
//}
//背景颜色(当没有数据的时候设置背景颜色)
- (UIColor *)backgroundColorForEmptyDataSet:(UIScrollView *)scrollView
{
    return [UIColor lightGrayColor];
}



- (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView
{
    if (self.isLoading) {
        return [UIImage imageNamed:@"loading_imgBlue_78x78"];
    }
    else {
       
        
        return [UIImage imageNamed:@"placeholder_kickstarter"];
    }
}

- (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;
}
//返回loading的状态
- (BOOL)emptyDataSetShouldAnimateImageView:(UIScrollView *)scrollView
{
    return self.isLoading;
}
- (void)emptyDataSet:(UIScrollView *)scrollView didTapButton:(UIButton *)button
{
    self.loading = YES;
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        self.loading = NO;
    });
}
/*
// Override to support conditional editing of the table view.
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    // Return NO if you do not want the specified item to be editable.
    return YES;
}
*/

/*
// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
    } else if (editingStyle == UITableViewCellEditingStyleInsert) {
        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
    }   
}
*/

/*
// Override to support rearranging the table view.
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
}
*/

/*
// Override to support conditional rearranging of the table view.
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
    // Return NO if you do not want the item to be re-orderable.
    return YES;
}
*/

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end

DEMO在这里 https://github.com/fengfengaima/DZNEmptyDemo.git

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