1 #import "RootViewController.h"
2 #import "MJRefresh.h"
3 @interface RootViewController ()<UITableViewDataSource,UITableViewDelegate,MJRefreshBaseViewDelegate>
4 {
5 UITableView *_tableView ;
6 NSMutableArray *datas;
7 MJRefreshHeaderView *headerView;
8 MJRefreshFooterView *footerView;
9 }
10 @end
11
12 @implementation RootViewController
13
14 - (void)dealloc
15 {
16 [headerView free];
17 [footerView free];
18 }
19
20 - (void)viewDidLoad {
21 [super viewDidLoad];
22 //初始化tableView
23 [self initializeTableView];
24 // 初始化数据
25 [self initializeData];
26 }
27
28 - (void)initializeTableView
29 {
30 _tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] bounds] style:UITableViewStylePlain];
31 _tableView.dataSource = self;
32 [self.view addSubview:_tableView];
33 // 初始化刷新控件
34 [self initializeRefreshView];
35 }
36
37
38 - (void)initializeRefreshView
39 {
40 // 下拉刷新
41 headerView = [MJRefreshHeaderView header];
42 headerView.scrollView = _tableView;
43 headerView.delegate = self;
44
45 // 上拉加载更多
46 footerView = [MJRefreshFooterView footer];
47 footerView.delegate = self;
48 footerView.scrollView = _tableView;
49 }
50
51 /**
52 * 刷新控件进入开始刷新状态的时候调用
53 */
54 - (void)refreshViewBeginRefreshing:(MJRefreshBaseView *)refreshView
55 {
56 if ([refreshView isKindOfClass:[MJRefreshHeaderView class]]) {
57 //下拉刷新
58 [self loadNewData];
59 }else{
60 [self loadMoreData];
61 }
62 }
63 /*
64 * 刷新数据
65 */
66 - (void)loadNewData
67 {
68 static int count = 1;
69 NSMutableArray *array = [NSMutableArray array];
70 //每次刷新五条数据
71 for (int i = 0; i < 5; i++) {
72 NSString *str = [NSString stringWithFormat:@"第%d次刷新",count];
73 [array addObject:str];
74 }
75 // 把新数据加到datas前面
76 NSMutableArray *newArray = [[NSMutableArray alloc] initWithArray:array];
77 [newArray addObjectsFromArray:datas];
78 datas = newArray;
79 [_tableView reloadData];
80 [headerView endRefreshing];
81 count++;
82 }
83
84 /*
85 * 加载更多数据
86 */
87 - (void)loadMoreData
88 {
89 static int count = 1;
90 NSMutableArray *array = [NSMutableArray array];
91 for (int j = 0; j < 5; j++) {
92 NSString *str = [NSString stringWithFormat:@"第%d次加载更多",count];
93 [array addObject:str];
94 }
95 [datas addObjectsFromArray:array];
96 [_tableView reloadData];
97 [footerView endRefreshing];
98 count++;
99 }
100
101 - (void)initializeData
102 {
103 datas = [NSMutableArray arrayWithObjects:@"A",@"B", @"C", @"D", @"E", @"F", @"G", @"H", @"I", @"J", @"K", @"L", @"M", @"N", @"O", @"P", @"Q", @"R", @"S", @"T", @"U", @"V", @"W", @"X", @"Y", @"Z", nil];
104 }
105
106 #pragma mark -配置UITableViewDataSource数据
107 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
108 {
109 return [datas count];
110 }
111
112 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
113 {
114 static NSString *identify = @"cell";
115 UITableViewCell *cell = [_tableView dequeueReusableCellWithIdentifier:identify];
116 if (!cell) {
117 cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identify];
118
119 }
120 cell.textLabel.text = datas[indexPath.row];
121 return cell;
122 }
123
124 @end