IOS tableview下拉刷新上拉加载分页

- (void)viewDidLoad{    [super viewDidLoad];    //获取数据    [self firstLoadRefresData];    //下拉刷新    self.refreshControl = [[UIRefreshControl alloc]init];    self.refreshControl.tintColor=[UIColor blueColor];    [self.refreshControl addTarget:self action:@selector(controlEventValueChanged:) forControlEvents:UIControlEventValueChanged];    // 集成上拉加载控件    [self setupRefresh];
}/** *  集成刷新控件 */

- (void)setupRefresh{    [self.tableView addFooterWithTarget:self action:@selector(footerRereshing)];    self.tableView.footerPullToRefreshText = @"上拉可以加载更多数据了";    self.tableView.footerReleaseToRefreshText = @"松开马上加载更多数据了";    self.tableView.footerRefreshingText = @"MJ哥正在帮你加载中,不客气";}- (void)footerRereshing{    // 1.添加假数据    if ([self.docs hasNextPage]) {        [self setData:[[self.docs page]intValue]+1];    }    // 2.2秒后刷新表格UI    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{        // 刷新表格        [self.tableView reloadData];        // (最好在刷新表格后调用)调用endRefreshing可以结束刷新状态        [self.tableView footerEndRefreshing];    });}

-(void)controlEventValueChanged:(id)sender{    if (self.refreshControl.refreshing) {        self.refreshControl.attributedTitle=[[NSAttributedString alloc]initWithString:@"刷新中"];        [self performSelector:@selector(refreshData) withObject:nil afterDelay:0.5];    }}-(void)refreshData{    //请求数据    [self firstLoadRefresData];    //刷新表格    [self.tableView reloadData];    //完成刷新    [self.refreshControl endRefreshing];    self.refreshControl.attributedTitle=[[NSAttributedString alloc]initWithString:@"下拉刷新"];}

-(void)setData:(int) p {    NSString *string = [NSString stringWithFormat:@"%@p=%d&ps=10", BaseURLString,p];    NSURL *url = [NSURL URLWithString:string];    NSURLRequest *request = [NSURLRequest requestWithURL:url];    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];    operation.responseSerializer = [AFJSONResponseSerializer serializer];    [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {        self.docs=(NSMutableDictionary *)responseObject;        NSMutableArray *doclist=[[NSMutableArray alloc]initWithCapacity:10];        [doclist addObjectsFromArray:self.infos];        [doclist addObjectsFromArray:[self.docs info]];        self.infos=doclist;        [self.tableView reloadData];    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"                                                            message:[error localizedDescription]                                                           delegate:nil                                                  cancelButtonTitle:@"Ok"                                                  otherButtonTitles:nil];        [alertView show];    }];    [operation start];}