148 lines
4.1 KiB
Objective-C
148 lines
4.1 KiB
Objective-C
//
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// CustomTableView.m
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// HD wallpaper
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#import "CustomTableView.h"
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@interface CustomTableView () <UITableViewDataSource, UITableViewDelegate>
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@property (nonatomic, strong) UIView *loadMoreFooterView;
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@property (nonatomic, assign) BOOL isLoadingMore;
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@end
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@implementation CustomTableView
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- (instancetype)initWithFrame:(CGRect)frame style:(UITableViewStyle)style {
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self = [super initWithFrame:frame style:style];
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if (self) {
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[self commonInit];
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}
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return self;
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}
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- (void)awakeFromNib {
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[super awakeFromNib];
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[self commonInit];
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}
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- (void)commonInit {
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self.dataSource = self;
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self.delegate = self;
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// 添加刷新控制
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self.refreshControl = [[UIRefreshControl alloc] init];
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[self.refreshControl addTarget:self action:@selector(refreshTable) forControlEvents:UIControlEventValueChanged];
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[self addSubview:self.refreshControl];
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// 添加加载更多视图
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self.loadMoreFooterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width, 44)];
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UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
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activityIndicator.center = self.loadMoreFooterView.center;
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[activityIndicator startAnimating];
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[self.loadMoreFooterView addSubview:activityIndicator];
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self.tableFooterView = self.loadMoreFooterView;
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self.isLoadingMore = NO;
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}
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- (void)refreshTable {
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if (self.onRefresh) {
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self.onRefresh();
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}
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}
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- (void)endRefreshing {
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[self.refreshControl endRefreshing];
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}
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- (void)endLoadingMore {
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self.isLoadingMore = NO;
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self.tableFooterView.hidden = YES;
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}
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#pragma mark - UITableViewDataSource & UITableViewDelegate
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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// 你需要实现的数据源方法
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return 0;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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// 你需要实现的数据源方法
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return [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"Cell"];
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}
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- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
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if (scrollView.contentOffset.y + scrollView.frame.size.height > scrollView.contentSize.height - 100) {
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if (!self.isLoadingMore && self.onLoadMore) {
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self.isLoadingMore = YES;
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self.tableFooterView.hidden = NO;
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self.onLoadMore();
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}
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}
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}
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@end
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//#import "CustomTableView.h"
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//
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//@interface ViewController ()
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//
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//@property (nonatomic, strong) CustomTableView *tableView;
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//@property (nonatomic, strong) NSMutableArray *data;
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//
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//@end
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//
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//@implementation ViewController
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//
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//- (void)viewDidLoad {
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// [super viewDidLoad];
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//
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// self.data = [NSMutableArray array];
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// [self loadData];
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//
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// self.tableView = [[CustomTableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
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// [self.view addSubview:self.tableView];
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//
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// __weak typeof(self) weakSelf = self;
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// self.tableView.onRefresh = ^{
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// [weakSelf refreshData];
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// };
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// self.tableView.onLoadMore = ^{
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// [weakSelf loadMoreData];
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// };
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//}
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//
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//- (void)loadData {
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// // 加载数据
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// for (int i = 0; i < 20; i++) {
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// [self.data addObject:[NSString stringWithFormat:@"Item %d", i]];
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// }
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// [self.tableView reloadData];
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//}
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//
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//- (void)refreshData {
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// // 模拟刷新
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// dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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// [self.data removeAllObjects];
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// [self loadData];
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// [self.tableView endRefreshing];
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// });
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//}
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//
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//- (void)loadMoreData {
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// // 模拟加载更多
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// dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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// NSInteger currentCount = self.data.count;
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// for (int i = 0; i < 20; i++) {
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// [self.data addObject:[NSString stringWithFormat:@"Item %ld", currentCount + i]];
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// }
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// [self.tableView reloadData];
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// [self.tableView endLoadingMore];
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// });
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//}
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//
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//@end
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