利用MJRefresh下拉刷新上拉加载

导入第三方MJRefresh 

这里的MJ是 ARC 

需MRC改过来就可以 (-fobjc-arc)

引入头文件  "MJRefresh.h"      "MJRefreshHeaderView"      "MJRefreshFooterView"

// 在刷新加载主体处加一句话，例 : tableView

     [self setupRefresh];

 复制第三方中部分到工程中，如下

- (void)setupRefresh

{

    // 1.下拉刷新(进入刷新状态就会调用self的headerRereshing)

    

    [self.tableView addHeaderWithTarget:self action:@selector(headerRereshing)];

//#warning 自动刷新(一进入程序就下拉刷新)

    

    [self.tableView headerBeginRefreshing];

    

    // 2.上拉加载更多(进入刷新状态就会调用self的footerRereshing)

    [self.tableView addFooterWithTarget:self action:@selector(footerRereshing)];

}

#pragma mark开始进入刷新状态

- (void)headerRereshing

{

  //  下拉刷新的内容

    NSString *str = @"http://iphone.myzaker.com/zaker/v3.0/worldcup_topic_new.php?_appid=iphone&_bsize=640_1136&_dev=iPhone%2C7.1.1&_v=4.4&_version=4.4";

    NetworkHandler *network = [[NetworkHandler alloc] init];

    [network getDataWithURLString:str completion:^(id result) {

        [self.array removeAllObjects];

        for (int i = 0; i < [[[[[result objectForKey:@"data"] objectForKey:@"articles"] objectAtIndex:0] objectForKey:@"list"] count]; i++) {

            ResArticle *article = [[[ResArticle alloc] init] autorelease];

            [article setValuesForKeysWithDictionary:[[[[[result objectForKey:@"data"] objectForKey:@"articles"] objectAtIndex:0] objectForKey:@"list"] objectAtIndex:i]];

            

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"auther_name"] forKey:@"auther_name"];

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"thumbnail_medias"]forKey:@"thumbnail_medias"];

            

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"weburl"] forKey:@"weburl"];

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"thumbnail_medias"][0][@"url"] forKey:@"url"];

            [article setValue:result[@"data"][@"articles"][0][@"more_url"] forKey:@"more_url"];

            [self.array addObject:article];

            

        }

        

        [self.tableView reloadData];

        [self.tableView headerEndRefreshing];

    }];

}

- (void)footerRereshing

{

    

    // 上拉加载的内容

    ResArticle *www = [self.array lastObject];

    NSString *str = www.more_url;

    NetworkHandler *net = [[NetworkHandler alloc] init];

    [net getDataWithURLString:str completion:^(id result) {

    

        for (int i = 0; i < [[[[[result objectForKey:@"data"] objectForKey:@"articles"] objectAtIndex:0] objectForKey:@"list"] count]; i++) {

            

            ResArticle *article = [[[ResArticle alloc] init] autorelease];

            [article setValuesForKeysWithDictionary:[[[[[result objectForKey:@"data"] objectForKey:@"articles"] objectAtIndex:0] objectForKey:@"list"] objectAtIndex:i]];

            

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"auther_name"] forKey:@"auther_name"];

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"thumbnail_medias"]forKey:@"thumbnail_medias"];

            

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"weburl"] forKey:@"weburl"];

            [article setValue:result[@"data"][@"articles"][0][@"list"][i][@"article"][@"thumbnail_medias"][0][@"url"] forKey:@"url"];

            [article setValue:result[@"data"][@"articles"][0][@"more_url"] forKey:@"more_url"];

            [self.array addObject:article];

        }

        

        [self.tableView reloadData];

        [self.tableView footerEndRefreshing];

    }];

}