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| #import "ILVideosTableViewController.h"
#import "MBProgressHUD+MJ.h"
#import "Video.h"
#import <SDWebImage/SDWebImage.h>
#import <MediaPlayer/MediaPlayer.h>
#import "GDataXMLNode.h"
#define Url(path) [NSURL URLWithString:[NSString stringWithFormat:@"http://localhost:8080/MJServer/%@",path]];
@interface ILVideosTableViewController ()<NSXMLParserDelegate>
@property(nonatomic,strong) NSMutableArray *videos;
@end
@implementation ILVideosTableViewController
-(NSMutableArray *)videos
{
if (_videos==nil) {
_videos=[NSMutableArray array];
}
return _videos;
}
- (void)viewDidLoad {
[super viewDidLoad];
//加载服务器的最新视频信息
//1-创建URL
NSURL *url=Url(@"video?type=XML");
//2-创建请求
NSURLRequest *request=[NSURLRequest requestWithURL:url];
//3-发送请求
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
if (connectionError||data==nil) {
[MBProgressHUD showError:@"请求失败"];
return;
}
//解析XML数据
//1-创建XML解析器- SAX-逐个元素往下解析
NSXMLParser *parser=[[NSXMLParser alloc]initWithData:data];
//2.设置代理
parser.delegate=self;
//3-开始解析
[parser parse]；
//刷新表格
//NSLog(@"---%d",data.length);
[self.tableView reloadData];
}];
}
//解析道文档的开头时会调用那个方法
//elementName-元素名称，attributeDict-属性字典
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict{
//NSLog(@"didStartElement----%@",elementName);
NSLog(@"attributeDict:%@",attributeDict);
if([@"videos" isEqualToString:elementName])return;//vides标签，返回
Video *video=[Video videoWithDict:attributeDict];
[self.videos addObject:video];
}
//解析到文档的结尾时会调用
//elementName-元素名称
-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
//NSLog(@"didEndElement----%@",elementName);
}
#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.videos.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *ID=@"ID";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
if(!cell){
cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
}
Video *video=self.videos[indexPath.row];
cell.textLabel.text=video.name;
cell.detailTextLabel.text=[NSString stringWithFormat:@"时长：%d分钟",video.length];
//NSString *imageUrl=[NSString stringWithFormat:@"http://localhost:8080/MJServer/%@",video.image];
NSURL *url=Url(video.image);
[cell.imageView sd_setImageWithURL:url placeholderImage:[UIImage imageNamed:@"placeholder"]];
return cell;
}
#pragma 代理方法
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
//取出视频模型
Video *video=self.videos[indexPath.row];
NSLog(@"%@",video.name);
//播放视频(调用系统提供的视频播放器)
NSString *videoUrl=[NSString stringWithFormat:@"http://localhost:8080/MJServer/%@",video.url];
//NSURL *url=[NSURL URLWithString:videoUrl];
NSURL *url=Url(video.url);
MPMoviePlayerViewController *player=[[MPMoviePlayerViewController alloc]initWithContentURL:url];
//显示播放器
[self presentViewController:player animated:YES completion:nil];
}
@end
|
