2015 iOS TableView上拉加载下拉刷新

// // MJRefreshBaseView.h // MJRefresh // // Created by mj on 13-3-4. // Copyright (c) 2013年 itcast. All rights reserved. #import <UIKit/UIKit.h> /** 枚举 */ // 控件的刷新状态 typedef enum { MJRefreshStatePulling = 1, // 松开就可以进行刷新的状态 MJRefreshStateNormal = 2, // 普通状态 MJRefreshStateRefreshing = 3, // 正在刷新中的状态 MJRefreshStateWillRefreshing = 4 } MJRefreshState; // 控件的类型 typedef enum { MJRefreshViewTypeHeader = -1, // 头部控件 MJRefreshViewTypeFooter = 1 // 尾部控件 } MJRefreshViewType; @class MJRefreshBaseView; /** 回调的Block定义 */ // 开始进入刷新状态就会调用 typedef void (^BeginRefreshingBlock)(MJRefreshBaseView *refreshView); // 刷新完毕就会调用 typedef void (^EndRefreshingBlock)(MJRefreshBaseView *refreshView); // 刷新状态变更就会调用 typedef void (^RefreshStateChangeBlock)(MJRefreshBaseView *refreshView, MJRefreshState state); /** 代理的协议定义 */ @protocol MJRefreshBaseViewDelegate <NSObject> @optional // 开始进入刷新状态就会调用 - (void)refreshViewBeginRefreshing:(MJRefreshBaseView *)refreshView; // 刷新完毕就会调用 - (void)refreshViewEndRefreshing:(MJRefreshBaseView *)refreshView; // 刷新状态变更就会调用 - (void)refreshView:(MJRefreshBaseView *)refreshView stateChange:(MJRefreshState)state; @end /** 类的声明 */ @interface MJRefreshBaseView : UIView { // 父控件一开始的contentInset UIEdgeInsets _scrollViewInitInset; // 父控件 __weak UIScrollView *_scrollView; // 子控件 __weak UILabel *_lastUpdateTimeLabel; __weak UILabel *_statusLabel; __weak UIImageView *_arrowImage; __weak UIActivityIndicatorView *_activityView; // 状态 MJRefreshState _state; } // 构造方法 - (instancetype)initWithScrollView:(UIScrollView *)scrollView; // 设置要显示的父控件 @property (nonatomic, weak) UIScrollView *scrollView; // 内部的控件 @property (nonatomic, weak, readonly) UILabel *lastUpdateTimeLabel; @property (nonatomic, weak, readonly) UILabel *statusLabel; @property (nonatomic, weak, readonly) UIImageView *arrowImage; // Block回调 @property (nonatomic, copy) BeginRefreshingBlock beginRefreshingBlock; @property (nonatomic, copy) RefreshStateChangeBlock refreshStateChangeBlock; @property (nonatomic, copy) EndRefreshingBlock endStateChangeBlock; // 代理 @property (nonatomic, weak) id<MJRefreshBaseViewDelegate> delegate; // 是否正在刷新 @property (nonatomic, readonly, getter=isRefreshing) BOOL refreshing; // 开始刷新 - (void)beginRefreshing; // 结束刷新 - (void)endRefreshing; // 不静止地结束刷新 //- (void)endRefreshingWithoutIdle; // 结束使用、释放资源 - (void)free; /** 交给子类去实现 和 调用 */ - (void)setState:(MJRefreshState)state; - (int)totalDataCountInScrollView; @end