我们开发过程中 应该使用mvc 的开发模式
之前有讲过 mvc 不不过设计模式,这里不多解说了,之前的能够看看
数据封装使我们的基本功。在开发其中普遍的使用
我们必须重视
这里为了给刚開始学习的人一个学习的平台。对于知识的解说
我会以一种循序渐进的方式-希望对大家有所帮助
仅仅有分享才会进步
// // QHViewController.h #import <UIKit/UIKit.h> @interface QHViewController : UIViewController @end
// // QHViewController.m #import "QHViewController.h" #import "QHnews.h" #import "NSArray+Ext.h" #import "QHLargeCell.h" #import "QHListCell.h" #import "QHOriginCell.h" #import "QHAppCell.h" @interface QHViewController ()<UITableViewDataSource,UITableViewDelegate> @property(nonatomic,strong)NSArray *newses; @end @implementation QHViewController -(NSArray *)newses { if (_newses == nil) { NSString *path = [[NSBundle mainBundle]pathForResource:@"news.plist" ofType:nil]; NSArray *array = [NSArray arrayWithContentsOfFile:path]; NSMutableArray *objs = [NSMutableArray array]; for(NSDictionary *dic in array) { //封装模型 QHnews *news = [QHnews newsWithDict:dic]; [objs addObject:news]; } _newses = objs; } return _newses; } #pragma mark UITableViewDataSource 代理方法 -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return self.newses.count; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell * cell = [[UITableViewCell alloc]init]; /* if (cell == nil) { cell = [tableView dequeueReusableCellWithIdentifier:cellName]; } cell.textLabel.text = @"test"; */ QHnews *news = self.newses[indexPath.row]; if ([news.category isEqualToString:@"large"]) { QHLargeCell *cell = [QHLargeCell largeCellWithTableView:tableView]; cell.news = self.newses[indexPath.row]; return cell; } if ([news.category isEqualToString:@"list"]) { QHListCell *cell = [QHListCell listCellWithTableView:tableView]; cell.news = self.newses[indexPath.row]; return cell; } if ([news.category isEqualToString:@"origin"]) { QHOriginCell *cell = [QHOriginCell originWithTableView:tableView]; cell.news = self.newses[indexPath.row]; return cell; } if([news.category isEqualToString:@"app"]) { QHAppCell *cell = [QHAppCell appWithTableView:tableView]; cell.news = self.newses[indexPath.row]; return cell; } return cell; } -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { QHnews *news = self.newses[indexPath.row]; if([news.category isEqualToString:@"large"]) { return 150; } if ([news.category isEqualToString:@"list"]) { return 150; } if([news.category isEqualToString:@"origin"]) { return 100; } if ([news.category isEqualToString:@"app"]) { return 120; } return 100; } -(BOOL)prefersStatusBarHidden { return YES; } - (void)viewDidLoad { [super viewDidLoad]; //NSLog(@"%@",self.newses); // Do any additional setup after loading the view. } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end
// // QHnews.h //建立数据模型 #import <Foundation/Foundation.h> @interface QHnews : NSObject /** * 新闻条目分类 */ @property(nonatomic,copy)NSString *category; /** * 记录图片数组 */ @property(nonatomic,strong)NSArray *pics; /** * 数据来源 */ @property(nonatomic,copy)NSString *source; /** * 公布时间 */ @property(nonatomic,copy)NSString *time; /** * 标题 */ @property(nonatomic,copy)NSString *title; /** * 用来记录单张图片 */ @property(nonatomic,copy)NSString *picture; /** * 用来记录推广软件的名称 */ @property(nonatomic,copy)NSString *appname; /** * 推广软件图片 */ @property(nonatomic,copy)NSString *icon; @property(nonatomic,strong)QHnews *news; +(id)newsWithDict:(NSDictionary *)dict; -(id)initWithDict:(NSDictionary *)dict; @end
// // QHnews.m #import "QHnews.h" @implementation QHnews +(id)newsWithDict:(NSDictionary *)dict { return [[self alloc]initWithDict:dict]; } -(id)initWithDict:(NSDictionary *)dict { if (self == [super init]) { [self setValuesForKeysWithDictionary:dict]; } return self; } - (NSString *)description { return [NSString stringWithFormat:@"catefory = %@,source = %@,title = %@", _category,_source,_title]; } @end
时间: 2024-10-03 21:54:18