SVPullToRefresh[第三方]下拉刷新上拉加载使用

最新推荐文章于 2021-05-27 16:54:08 发布

竞寂

最新推荐文章于 2021-05-27 16:54:08 发布

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本文介绍如何在iOS应用中实现下拉刷新和上拉加载更多的功能。通过使用SVPullToRefresh库，可以轻松地为UITableView添加这两种交互方式，并自定义提示文案。文中详细展示了如何设置和触发刷新及加载操作。

首先:导入第三方类,并导入头文件

#import "SVPullToRefresh.h"

//0.刚进入界面触发刷新

-(void)viewWillAppear:(BOOL)animated
{

    [self.table_view triggerPullToRefresh];

}

//1 使用下拉刷新的功能
//2 上拉加载更多

- (void)viewDidLoad
{
    [super viewDidLoad];  
    __weak ViewController *weakSelf = self;

    //1 使用下拉刷新的功能

    [self.table_view addPullToRefreshWithActionHandler:^{
        //这个block里面，就可以执行想要完成的任务

        [weakSelf refresh];

    }];

//    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 44)];
//    
//    view.backgroundColor = [UIColor redColor];
//    
//    [self.table_view.pullToRefreshView setCustomView:view forState:SVPullToRefreshStateAll];

    //修改内容标题

    [self.table_view.pullToRefreshView setTitle:@"下拉刷新" forState:SVPullToRefreshStateStopped];

    [self.table_view.pullToRefreshView setTitle:@"释放开始刷新" forState:SVPullToRefreshStateTriggered];
    [self.table_view.pullToRefreshView setTitle:@"加载中..." forState:SVPullToRefreshStateLoading];

    [self.table_view.pullToRefreshView setSubtitle:@"啥玩意" forState:SVPullToRefreshStateAll];

    //2 上拉加载更多

    [self.table_view addInfiniteScrollingWithActionHandler:^{

        [weakSelf loadmore];

    }];


}

//1 用来刷新数据的方法

-(void)refresh{

    count ++;

    [self performSelector:@selector(finish) withObject:nil afterDelay:3];

}

//2 用来加载更多数据的方法

-(void)loadmore{
    count+=5;
    [self performSelector:@selector(finish) withObject:nil afterDelay:3];
}

//刷新数据之后的操作

-(void)finish{

    [self.table_view reloadData];
    //停止刷新界面
    [self.table_view.pullToRefreshView stopAnimating];
    //停止上拉加载

    [self.table_view.infiniteScrollingView stopAnimating];

}