GDataXML解析

#import "ViewController.h"
#import "UIImageView+WebCache.h"
#import "XMGVideo.h"
#import "MJExtension.h"
#import "GDataXMLNode.h"

// 视频播放
#import <AVKit/AVKit.h>
#import <AVFoundation/AVFoundation.h>

@interface ViewController ()<NSXMLParserDelegate>{
    AVPlayerViewController      *_playerController;
    AVPlayer                    *_player;
    AVAudioSession              *_session;
    NSString                    *_urlString;
}

/*TableView的数据源*/
@property (nonatomic, strong) NSMutableArray *videos;
@end

@implementation ViewController

-(NSMutableArray *)videos
{
    if (_videos == nil) {
        _videos = [NSMutableArray array];
    }
    return _videos;
}
- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [XMGVideo setupReplacedKeyFromPropertyName:^NSDictionary *{
       
        return @{
                 @"ID":@"id"
                 };
    }];
    //1.确定请求路径
    NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/video?type=XML"];
    
    //2.创建请求对象
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    
    //3.发送异步请求
    NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        //4.解析数据
        //4.1 加载整个XML文档
        GDataXMLDocument *doc  = [[GDataXMLDocument alloc]initWithData:data options:kNilOptions error:nil];
        
        //4.2 拿到根元素
        NSArray *eles =  [doc.rootElement elementsForName:@"video"];
        
        for (GDataXMLElement *ele in eles) {
            NSLog(@"%@",ele);
            XMGVideo *video = [[XMGVideo alloc]init];
            
            video.name = [ele attributeForName:@"name"].stringValue;
            video.length = [ele attributeForName:@"length"].stringValue.integerValue;
            video.image = [ele attributeForName:@"image"].stringValue;
            video.url = [ele attributeForName:@"url"].stringValue;
            
            [self.videos addObject:video];
        }
        //5.刷新TableView
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.tableView reloadData];
        });
    }];
    
    [task resume];
}

#pragma mark  TableViewDataSource
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.videos.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *ID = @"video";
    
    //1.创建cell
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
    
    //拿到该行cell对应的数据
//    NSDictionary *videoDict = self.videos[indexPath.row];
    
    XMGVideo *video = self.videos[indexPath.row];
    
    //2.设置cell的数据
    /*
    cell.textLabel.text = videoDict[@"name"];
    NSString *detailStr = [NSString stringWithFormat:@"%@",videoDict[@"length"]];
    
    cell.detailTextLabel.text = detailStr;
    NSString *baseUrl = @"http://120.25.226.186:32812/";
    NSURL *imageUrl =[NSURL URLWithString:[baseUrl stringByAppendingPathComponent:videoDict[@"image"]]];
    
    [cell.imageView sd_setImageWithURL:imageUrl placeholderImage:[UIImage imageNamed:@"123"]];
     */
    
    cell.textLabel.text = video.name;
    NSString *detailStr = [NSString stringWithFormat:@"%zd",video.length];
    
    cell.detailTextLabel.text = detailStr;
    NSString *baseUrl = @"http://120.25.226.186:32812/";
    NSURL *imageUrl =[NSURL URLWithString:[baseUrl stringByAppendingPathComponent:video.image]];
    
    [cell.imageView sd_setImageWithURL:imageUrl placeholderImage:[UIImage imageNamed:@"123"]];
    
    NSLog(@"ID---%@",video.ID);
    //3.返回cell
    return cell;
}

#pragma mark---TableViewDelegate
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    //1.拿到数据
    //     NSDictionary *videoDict = self.videos[indexPath.row];
    
    XMGVideo *video = self.videos[indexPath.row];
    NSString *baseUrl = @"http://120.25.226.186:32812/";
    NSURL *mpUrl = [NSURL URLWithString:[baseUrl stringByAppendingPathComponent:video.url]];
    
    // 初始化播放器并播放
    _session = [AVAudioSession sharedInstance];
    [_session setCategory:AVAudioSessionCategoryPlayback error:nil];
    
    _player = [[AVPlayer alloc] initWithURL:mpUrl];
    // 初始化播放器控制器
    _playerController = [[AVPlayerViewController alloc] init];
    // 赋值播放器
    _playerController.player = _player;
    // 翻转感应 自动适配屏幕大小
    _playerController.videoGravity = AVLayerVideoGravityResizeAspect;
    _playerController.allowsPictureInPicturePlayback = true;    //画中画，iPad可用
    _playerController.showsPlaybackControls = true;
    _playerController.view.translatesAutoresizingMaskIntoConstraints = true;
    // 自动播放
    [_playerController.player play];
    
    [self presentViewController:_playerController animated:YES completion:nil];
}

@end```