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bestswifterbestswifter
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用于刷新的item和model
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‎KtTableView/KtTableView.xcodeproj/project.pbxproj‎

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E1DCC9F81CE5A81000CDC83D /* KtBaseItem.m in Sources */ = {isa = PBXBuildFile; fileRef = E1DCC9F71CE5A81000CDC83D /* KtBaseItem.m */; };
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E1DCC9FB1CE5A99C00CDC83D /* KtMainTableItem.m in Sources */ = {isa = PBXBuildFile; fileRef = E1DCC9FA1CE5A99C00CDC83D /* KtMainTableItem.m */; };
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E1EE5C9D1CBE811C0095688B /* KtBaseTableView.m in Sources */ = {isa = PBXBuildFile; fileRef = E1EE5C9C1CBE811C0095688B /* KtBaseTableView.m */; };
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E1F64E7E1CECB048005800E4 /* KtBaseListModel.m in Sources */ = {isa = PBXBuildFile; fileRef = E1F64E7D1CECB048005800E4 /* KtBaseListModel.m */; };
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E1F64E811CECB067005800E4 /* KtBaseListItem.m in Sources */ = {isa = PBXBuildFile; fileRef = E1F64E801CECB067005800E4 /* KtBaseListItem.m */; };
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/* End PBXBuildFile section */
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/* Begin PBXContainerItemProxy section */
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E1DCC9FA1CE5A99C00CDC83D /* KtMainTableItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = KtMainTableItem.m; sourceTree = "<group>"; };
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E1EE5C9B1CBE811C0095688B /* KtBaseTableView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = KtBaseTableView.h; sourceTree = "<group>"; };
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E1EE5C9C1CBE811C0095688B /* KtBaseTableView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = KtBaseTableView.m; sourceTree = "<group>"; };
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E1F64E7C1CECB048005800E4 /* KtBaseListModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = KtBaseListModel.h; sourceTree = "<group>"; };
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E1F64E7D1CECB048005800E4 /* KtBaseListModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = KtBaseListModel.m; sourceTree = "<group>"; };
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E1F64E7F1CECB067005800E4 /* KtBaseListItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = KtBaseListItem.h; sourceTree = "<group>"; };
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E1F64E801CECB067005800E4 /* KtBaseListItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = KtBaseListItem.m; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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E1DCC9EC1CE5A5FA00CDC83D /* KtBaseModel */ = {
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isa = PBXGroup;
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children = (
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E1F64E7B1CECB02E005800E4 /* KtBaseListModel */,
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E1DCC9ED1CE5A61A00CDC83D /* KtBaseModel.h */,
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E1DCC9EE1CE5A61A00CDC83D /* KtBaseModel.m */,
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E1DCC9F61CE5A81000CDC83D /* KtBaseItem.h */,
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path = KtBaseModel;
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sourceTree = "<group>";
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};
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E1F64E7B1CECB02E005800E4 /* KtBaseListModel */ = {
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isa = PBXGroup;
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children = (
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E1F64E7F1CECB067005800E4 /* KtBaseListItem.h */,
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E1F64E801CECB067005800E4 /* KtBaseListItem.m */,
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E1F64E7C1CECB048005800E4 /* KtBaseListModel.h */,
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E1F64E7D1CECB048005800E4 /* KtBaseListModel.m */,
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);
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path = KtBaseListModel;
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sourceTree = "<group>";
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};
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F71B31402A7F180F563A44F9 /* Frameworks */ = {
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isa = PBXGroup;
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children = (
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E108B2AB1CBE14C300191E0B /* KtTableViewDataSource.m in Sources */,
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E108B2B71CBE1F6500191E0B /* KtTableViewBaseItem.m in Sources */,
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E108B2B11CBE191300191E0B /* KtBaseTableViewCell.m in Sources */,
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E1F64E811CECB067005800E4 /* KtBaseListItem.m in Sources */,
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E1DCC9EF1CE5A61A00CDC83D /* KtBaseModel.m in Sources */,
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E1DCC9F21CE5A6A000CDC83D /* KtBaseServerAPI.m in Sources */,
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E1621E081CBDF267003D9438 /* KTMainViewController.m in Sources */,
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E1DCC9FB1CE5A99C00CDC83D /* KtMainTableItem.m in Sources */,
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E1F64E7E1CECB048005800E4 /* KtBaseListModel.m in Sources */,
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E1EE5C9D1CBE811C0095688B /* KtBaseTableView.m in Sources */,
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E1621E051CBDF267003D9438 /* AppDelegate.m in Sources */,
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E108B2AE1CBE15D800191E0B /* KtTableViewSectionObject.m in Sources */,

‎KtTableView/KtTableView/KtBaseModel/KtBaseListModel/KtBaseListItem.h‎

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//
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// KtBaseListItem.h
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// KtTableView
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//
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// Created by baidu on 16/5/18.
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// Copyright © 2016年 zxy. All rights reserved.
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//
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#import "KtBaseItem.h"
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@interface KtBaseListItem : KtBaseItem
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//@property (nonatomic, assign) int hasNext;
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//@property (nonatomic, assign) int hasPrev;
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@property (nonatomic, assign) int pageNumber; // 为了简化问题，我们让客户端直接传这个值，其实应该用上面两个。
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@end

‎KtTableView/KtTableView/KtBaseModel/KtBaseListModel/KtBaseListItem.m‎

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//
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// KtBaseListItem.m
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// KtTableView
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//
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// Created by baidu on 16/5/18.
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// Copyright © 2016年 zxy. All rights reserved.
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//
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#import "KtBaseListItem.h"
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@implementation KtBaseListItem
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- (id)initWithData:(NSDictionary *)data {
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if (self = [super initWithData:data]) {
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self.pageNumber = [[NSString stringWithFormat:@"%@", [data objectForKey:@"page_number"]] intValue];
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}
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return self;
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}
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@end

‎KtTableView/KtTableView/KtBaseModel/KtBaseListModel/KtBaseListModel.h‎

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//
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// KtBaseListModel.h
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// KtTableView
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//
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// Created by baidu on 16/5/18.
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// Copyright © 2016年 zxy. All rights reserved.
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//
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#import "KtBaseModel.h"
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#import "KtBaseListItem.h"
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@protocol KtBaseListModelProtocol <NSObject>
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@required
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- (void)refreshRequestDidSuccess;
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- (void)loadRequestDidSuccess;
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- (void)didLoadLastPage;
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- (void)handleAfterRequestFinish; // 请求结束后的操作，刷新tableview或关闭动画等。
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@optional
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- (void)didLoadFirstPage;
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@end
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@interface KtBaseListModel : KtBaseModel
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@property (nonatomic, strong) KtBaseListItem *listItem;
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@property (nonatomic, weak) id<KtBaseListModelProtocol> delegate;
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@property (nonatomic, assign) BOOL isRefresh; // 如果为是，表示刷新，否则为加载。
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- (void)loadPage:(int)pageNumber;
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- (void)loadNextPage;
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- (void)loadPreviousPage;
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@end

‎KtTableView/KtTableView/KtBaseModel/KtBaseListModel/KtBaseListModel.m‎

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//
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// KtBaseListModel.m
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// KtTableView
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//
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// Created by baidu on 16/5/18.
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// Copyright © 2016年 zxy. All rights reserved.
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//
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#import "KtBaseListModel.h"
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@interface KtBaseListModel ()
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@property (nonatomic, assign) int currentPage;
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@property (nonatomic, strong) NSCache *cache; // 目前先用系统的缓存来代替
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@end
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@implementation KtBaseListModel
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- (id)initWithAddress:(NSString *)address {
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self = [super initWithAddress:address];
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if (self) {
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self.currentPage = 0;
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self.cache = [[NSCache alloc] init];
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}
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return self;
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}
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- (void)setDelegate:(id<KtBaseListModelProtocol>)delegate {
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_delegate = delegate;
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__weak typeof(self)wself = self;
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[self setCompletionBlock:^(KtBaseModel *model) {
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typeof(self)sself = wself;
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if (sself.isRefresh && [sself.delegate respondsToSelector:@selector(refreshRequestDidSuccess)]) {
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[sself.delegate refreshRequestDidSuccess];
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}
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else if (!sself.isRefresh && [sself.delegate respondsToSelector:@selector(refreshRequestDidSuccess)]) {
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[sself.delegate loadRequestDidSuccess];
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}
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[sself.delegate handleAfterRequestFinish];
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sself.isRefresh = NO;
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}];
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}
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- (void)handleParsedData:(KtBaseItem *)parsedData {
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if ([parsedData isKindOfClass:[KtBaseListItem class]]) {
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self.listItem = (KtBaseListItem *)parsedData;
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[self.cache setObject:self.listItem forKey:[NSString stringWithFormat:@"%d", self.currentPage]];
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}
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}
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- (void)loadPage:(int)pageNumber {
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NSMutableDictionary *newDic = [NSMutableDictionary dictionaryWithDictionary:self.params];
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[newDic setObject:@(pageNumber) forKey:@"nextPage"];
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self.params = newDic;
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self.currentPage = pageNumber;
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KtBaseListItem *cachedItem = [self.cache objectForKey:[NSString stringWithFormat:@"%d", self.currentPage]];
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if (cachedItem) {
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[self handleParsedData:cachedItem];
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self.completionBlock(self);
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}
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else {
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[self loadWithShortConnection];
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}
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}
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- (void)loadNextPage {
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self.isRefresh = NO;
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if (self.currentPage < self.listItem.pageNumber) {
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++self.currentPage;
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[self loadPage:self.currentPage];
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}
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else {
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// 没有更多了。
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[self.delegate didLoadLastPage];
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}
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}
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- (void)loadPreviousPage {
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self.isRefresh = NO;
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if (self.currentPage > 0) {
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--self.currentPage;
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[self loadPage:self.currentPage];
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}
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else {
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[self refresh]; // 如果现在是第一页，就只刷新
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}
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}
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- (void)refresh {
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self.isRefresh = YES;
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[self loadPage:0];
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}
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@end

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