UITableView 上拉刷新，下拉刷新

也许是过去的一段时间一直很忙，今天把过去的一些东西总结总结。 发几片菜鸟博客装装X。

一直在开发，经常会用到TableView的拉提刷新操作(iOS6以下的版本。 iOS6+的用苹果自己的)。 网上有很多版本，大同小异。不过用的过程中都比较繁琐（个人意见）。

所以自己稍微做了点修改，以尽可能自己用的方便。

自己在使用TableView的时候不怎么喜欢子类化UITableViewController，一般都直接AddSubView  所以这套使用方式是按照我的代码习惯来的。

不废话，直接上代码：

RefreshTableView.h

////  RefreshTableView.h//  TableViewRefresh////  Created by 王 尧 on 13-5-18.////#import <UIKit/UIKit.h>#import "EGORefreshTableHeaderView.h"#import "EGORefreshTableFooterView.h"#import "EGOViewCommon.h"@protocol RefreshTableViewDelegate <NSObject>/** * @desc   TODO: 触发操作-->下拉刷新 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)beginLoadData_PullDown;/** * @desc   TODO: 触发操作-->上拉刷新 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)beginLoadData_PullUp;@end@interface RefreshTableView : UITableView{BOOL _reloading;}@property (nonatomic, retain) EGORefreshTableHeaderView *refreshHeaderView;@property (nonatomic, retain) EGORefreshTableFooterView *refreshFooterView;//用来告知调用类需要执行刷新回调-->不实现该回调的统统切JJ@property (nonatomic, assign) id<RefreshTableViewDelegate> pullActionDelegate;/** * @desc   TODO: 配置是否显示头部及底部的刷新栏 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)configHeaderUsing:(BOOL)useHeader footer:(BOOL)useFooter;// create/remove footer/header view, reset the position of the footer/header views-(void)setFooterView;-(void)removeFooterView;-(void)createHeaderView;-(void)removeHeaderView;// overide methods-(void)beginToReloadData:(EGORefreshPos)aRefreshPos;-(void)finishReloadingData;// force to refresh-(void)showRefreshHeader:(BOOL)animated;@end

RefreshTableView.m

////  RefreshTableView.m//  TableViewRefresh////  Created by 王 尧 on 13-5-18.////#import "RefreshTableView.h"@interface RefreshTableView ()<EGORefreshTableDelegate,UIScrollViewDelegate>@end@implementation RefreshTableView- (void)dealloc{    if (_refreshHeaderView) {        [_refreshHeaderView release];        _refreshHeaderView = nil;    }        if (_refreshFooterView) {        [_refreshFooterView release];        _refreshFooterView = nil;    }        self.pullActionDelegate = nil;        [super dealloc];}- (void)configRefreshTableView{    self.contentInset = UIEdgeInsetsMake(0, 0, 10.0, 0);    // set header}/** * @desc   TODO: 配置是否显示头部及底部的刷新栏 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)configHeaderUsing:(BOOL)useHeader footer:(BOOL)useFooter{    if (useHeader) {        [self createHeaderView];    }    if (useFooter) {        [self setFooterView];    }}- (id)initWithFrame:(CGRect)frame style:(UITableViewStyle)style{    self = [super initWithFrame:frame style:style];    if (self) {        [self configRefreshTableView];    }    return self;}- (id)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        [self configRefreshTableView];    }    return self;}- (void)awakeFromNib{    [self configRefreshTableView];}#pragma mark-==============================上拉  下拉  刷新  ======================#pragma mark#pragma methods for creating and removing the header view-(void)createHeaderView{    if (_refreshHeaderView && [_refreshHeaderView superview]) {        [_refreshHeaderView removeFromSuperview];    }_refreshHeaderView = [[EGORefreshTableHeaderView alloc] initWithFrame:                          CGRectMake(0.0f, 0.0f - self.bounds.size.height,                                     self.frame.size.width, self.bounds.size.height)];    _refreshHeaderView.delegate = self;    [self addSubview:_refreshHeaderView];        [_refreshHeaderView refreshLastUpdatedDate];}-(void)removeHeaderView{    if (_refreshHeaderView && [_refreshHeaderView superview]) {        [_refreshHeaderView removeFromSuperview];    }    _refreshHeaderView = nil;}-(void)setFooterView{    // if the footerView is nil, then create it, reset the position of the footer    CGFloat height = MAX(self.contentSize.height, self.frame.size.height);    if (_refreshFooterView && [_refreshFooterView superview]) {        // reset position        _refreshFooterView.frame = CGRectMake(0.0f,                                              height,                                              self.frame.size.width,                                              self.bounds.size.height);    }else {        // create the footerView        _refreshFooterView = [[EGORefreshTableFooterView alloc] initWithFrame:                              CGRectMake(0.0f, height,                                         self.frame.size.width, self.bounds.size.height)];        _refreshFooterView.delegate = self;        [self addSubview:_refreshFooterView];    }        if (_refreshFooterView) {        [_refreshFooterView refreshLastUpdatedDate];    }}-(void)removeFooterView{    if (_refreshFooterView && [_refreshFooterView superview]) {        [_refreshFooterView removeFromSuperview];    }    _refreshFooterView = nil;}#pragma mark-#pragma mark force to show the refresh headerView-(void)showRefreshHeader:(BOOL)animated{if (animated){[UIView beginAnimations:nil context:NULL];[UIView setAnimationDuration:0.2];self.contentInset = UIEdgeInsetsMake(60.0f, 0.0f, 0.0f, 0.0f);        // scroll the table view to the top region        [self scrollRectToVisible:CGRectMake(0, 0.0f, 1, 1) animated:NO];        [UIView commitAnimations];}else{self.contentInset = UIEdgeInsetsMake(60.0f, 0.0f, 0.0f, 0.0f);[self scrollRectToVisible:CGRectMake(0, 0.0f, 1, 1) animated:NO];}        [_refreshHeaderView setState:EGOOPullRefreshLoading];}#pragma mark -#pragma mark data reloading methods that must be overide by the subclass-(void)beginToReloadData:(EGORefreshPos)aRefreshPos{//  should be calling your tableviews data source model to reload_reloading = YES;        if (aRefreshPos == EGORefreshHeader) {        // pull down to refresh data        // overide, the actual loading data operation is done in the subclass        //下拉刷新        if (self.pullActionDelegate && [self.pullActionDelegate respondsToSelector:@selector(beginLoadData_PullDown)]) {            [self.pullActionDelegate performSelector:@selector(beginLoadData_PullDown)];        }    }else if(aRefreshPos == EGORefreshFooter){        // pull up to load more data        if (self.pullActionDelegate && [self.pullActionDelegate respondsToSelector:@selector(beginLoadData_PullUp)]) {            //上拉刷新            [self.pullActionDelegate performSelector:@selector(beginLoadData_PullUp)];        }    }}#pragma mark -#pragma mark method that should be called when the refreshing is finished- (void)finishReloadingData{//  model should call this when its done loading_reloading = NO;    if (_refreshHeaderView) {        [_refreshHeaderView egoRefreshScrollViewDataSourceDidFinishedLoading:self];    }        if (_refreshFooterView) {        [_refreshFooterView egoRefreshScrollViewDataSourceDidFinishedLoading:self];        [self setFooterView];    }        // overide, the actula reloading tableView operation and reseting position operation is done in the subclass}#pragma mark -#pragma mark EGORefreshTableDelegate Methods- (void)egoRefreshTableDidTriggerRefresh:(EGORefreshPos)aRefreshPos{[self beginToReloadData:aRefreshPos];}- (BOOL)egoRefreshTableDataSourceIsLoading:(UIView*)view{return _reloading; // should return if data source model is reloading}// if we don't realize this method, it won't display the refresh timestamp- (NSDate*)egoRefreshTableDataSourceLastUpdated:(UIView*)view{return [NSDate date]; // should return date data source was last changed}@end

使用：

重点：在初始化TableView后  一定要调用配置函数：

[self.infoTableView configHeaderUsing:YES footer:YES];

self.infoTableView.pullActionDelegate = self;

设置是否使用上拉 HeaderUsing    是否使用下拉 footer   设置上拉下拉的代理 pullActionDelegate

self.infoTableView = [[[RefreshTableView alloc] initWithFrame:self.bounds style:UITableViewStylePlain] autorelease];    [self.infoTableView configHeaderUsing:YES footer:YES];    [self.infoTableView setBackgroundColor:[UIColor clearColor]];    self.infoTableView.delegate = self;    self.infoTableView.dataSource = self;    self.infoTableView.pullActionDelegate = self;    [self addSubview:self.infoTableView];

实现回调：

#pragma mark-===============================UIScrollViewDelegate==================- (void)scrollViewDidScroll:(UIScrollView *)scrollView{if (self.infoTableView.refreshHeaderView) {        [self.infoTableView.refreshHeaderView egoRefreshScrollViewDidScroll:scrollView];    }if (self.infoTableView.refreshFooterView) {        [self.infoTableView.refreshFooterView egoRefreshScrollViewDidScroll:scrollView];    }}- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{if (self.infoTableView.refreshHeaderView) {        [self.infoTableView.refreshHeaderView egoRefreshScrollViewDidEndDragging:scrollView];    }if (self.infoTableView.refreshFooterView) {        [self.infoTableView.refreshFooterView egoRefreshScrollViewDidEndDragging:scrollView];    }}#pragma mark-==============================上拉  下拉  刷新  ======================#pragma mark/** * @desc   TODO: 触发操作-->下拉刷新 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)beginLoadData_PullDown{    self.currentPage = -1;    [self loadListData];}/** * @desc   TODO: 触发操作-->上拉刷新 * @author Wangyao * @param  N/A * @return N/A * @since  N/A */- (void)beginLoadData_PullUp{    [self loadListData];}

ok，就这样。，，  

=================14年 11月 21日 修改 ==================================

之前的代码存在bug。 今天难得有空， 把一年前的代码拿出来，重新改了改。  

先的下载地址如下：

源码下载： 点击打开链接  http://download.csdn.net/detail/stackhero/8182673