1.5 AFNetworking解析 案列展示

AFNetworking解析 案列展示

#import "ViewController.h"
#import "AFNetworking.h"
#import "LQTableViewCell.h"
#import "Model.h"
#define BASE_URL @"http://iappfree.candou.com:8080/free/applications/limited"
#define qfCell @"qfCell"
@interface ViewController ()
// 界面显示
@property (nonatomic, strong) UITableView *tableView;

// 数据源数组
@property (nonatomic, strong) NSMutableArray *dataSource;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    // 实例化tableView
    [self dataSource];
    [self customTableView];
}


- (void)GET{
    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];
    //无参get的请求
    [manager GET:BASE_URL parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
        // 请求成功的回调
        NSLog(@"%@",responseObject);
        
        
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        //请求错误的回调 （失败的回调）
        
        NSLog(@"%@",error);
    }];
    
    
}
/** 实例化tableView */
- (void)customTableView {
    self.tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
    
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    
    [self.view addSubview:self.tableView];
    
   
    // 自定义cell
    [self.tableView registerClass:[LQTableViewCell class] forCellReuseIdentifier:qfCell];
}


#pragma mark ------ 协议方法 ---------
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    return self.dataSource.count;
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    LQTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:qfCell];
    
    // 每行要显示的数据
    Model *model = self.dataSource[indexPath.row];
    
#warning 这是关键的一步
    // 把要显示的内容, 给视图做显示
    cell.model = model;
    
    
    return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    LQTableViewCell *lqCell = (LQTableViewCell *)[self tableView:tableView cellForRowAtIndexPath:indexPath];
    
    return lqCell.cellHeight;
}


#pragma mark -------- 懒加载 ---------
- (NSMutableArray *)dataSource {
    if (_dataSource == nil) {
        
        _dataSource = [[NSMutableArray alloc] init];
        
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
        
        manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/json"];
        //无参get的请求
        [manager GET:BASE_URL parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
            // 请求成功的回调
            NSLog(@"%@",responseObject);
            NSArray *allData = [responseObject objectForKey:@"applications"];
            
            for (NSDictionary *dict in allData) {
                // 转成模型, 存到数据源数组中
                Model *model = [Model modelWithDict:dict];
                [_dataSource addObject:model];
            }
            NSLog(@"%@",_dataSource);
            [self.tableView reloadData];
            
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
            //请求错误的回调 （失败的回调）
            
            NSLog(@"%@",error);
        }];
        
        
    }
    
    return _dataSource;
}
@end

创建模型

#import 

@interface Model : NSObject

/** 名字 */
@property (nonatomic, copy) NSString *name;

/** 简介 */
@property (nonatomic, copy) NSString *descriptionOne;

/**  */
@property (nonatomic, copy) NSString *categoryName;

+ (Model *)modelWithDict:(NSDictionary *)dict;
@end

#import "Model.h"

@implementation Model

+ (Model *)modelWithDict:(NSDictionary *)dict{
    Model *model = [[Model alloc] init];
    
//    [model setValuesForKeysWithDictionary:dict];
    model.name = dict[@"name"];
    model.descriptionOne = dict[@"description"];
    model.categoryName = dict[@"categoryName"];
    return model;
    
}
@end

#import 

@class Model;
@interface LQTableViewCell : UITableViewCell
@property (nonatomic,strong) Model * model;
@property (nonatomic,assign)CGFloat cellHeight;
@end

自定义cell

#import "LQTableViewCell.h"
#import "UIView+frame.h"
#import "Constant.h"
#import "Model.h"

@interface LQTableViewCell()

@property (nonatomic,strong)UILabel *labelName;

@property (nonatomic,strong)UILabel *labelDescriptionOne;
@property (nonatomic,strong)UIButton * button;
@property (nonatomic,assign)BOOL isHot;
@end


@implementation LQTableViewCell

- (void)setModel:(Model *)model{
    
    self.labelName.text = model.name;
    self.labelDescriptionOne.text = model.descriptionOne;
//    self.button
    CGFloat height = [model.descriptionOne boundingRectWithSize:CGSizeMake(self.labelDescriptionOne.width, FLT_MAX) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:self.labelDescriptionOne.font} context:nil].size.height;
    self.labelDescriptionOne.height = height;
    self.button.y = self.labelDescriptionOne.maxY + 10;
    self.cellHeight = self.button.maxY + 10;
    _model = model;
    
    
}
- (UILabel *)labelName{
    
    if (_labelName == nil){
        
        _labelName = [[UILabel alloc] init];
        
        _labelName.x  = 10;
        _labelName.y = 10;
        
        _labelName.width = [[UIScreen mainScreen] bounds].size.width - 10;
        _labelName.height = 20;
        [self.contentView addSubview:_labelName];
    }
    NSLog(@"打印了名字");
    return _labelName;
    
    
}

- (UILabel *) labelDescriptionOne{
    
    if (_labelDescriptionOne == nil) {
        
//        _labelDescriptionOne = [[UILabel alloc] init];
//        
//        _labelDescriptionOne.x = 10;
//        _labelDescriptionOne.y = self.labelName.maxY + 10;
//        _labelDescriptionOne.width = [[UIScreen mainScreen] bounds].size.width - 20;
//        _labelDescriptionOne.height = 0;
        _labelDescriptionOne = [[UILabel alloc]init];
          _labelDescriptionOne.frame = CGRectMake(self.labelName.frame.origin.x, self.labelName.maxY+10, SCREENWIDTH - 20, 100);
          _labelDescriptionOne.font = [UIFont systemFontOfSize:13];
        
          _labelDescriptionOne.textColor = UIColorRGBA(255, 138, 156, 1.0);
          _labelDescriptionOne.numberOfLines = 0;
        [self.contentView addSubview:_labelDescriptionOne];
        
        
    }
    NSLog(@"打印了内容");
    return _labelDescriptionOne;
    
}

- (UIButton *)button{
    if (_button == nil) {
//        _button = [[UIButton alloc] init];
//        
//        _button.x = 10;
//        _button.width = [[UIScreen mainScreen] bounds].size.width -20;
//        _button.height = 30;
        _button = [[UIButton alloc]initWithFrame:CGRectMake(self.labelName.frame.origin.x, self.labelDescriptionOne.maxY+10, SCREENWIDTH - 20, 30)];
        
        [_button setTitle:@"赞" forState:UIControlStateNormal];
        
        [_button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        [_button setTitleColor:[UIColor lightGrayColor] forState:UIControlStateHighlighted];
        
        _button.backgroundColor = [UIColor redColor];
        
        [_button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
        [self.contentView addSubview:_button];
        NSLog(@"打印了button");
    }
    
    return _button;
}
//
- (void)buttonAction:(UIButton *)button{
    
    NSString *str = [NSString stringWithFormat:@"您已成功为%@点赞",_labelName.text];
    UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:str delegate: self  cancelButtonTitle:@"知道了" otherButtonTitles:nil, nil];
    [alertView show];
    
    
    
}
@end

AFNetworking解析 案列展示.png