#import “HMViewController.h”#HMViewController () <ASIHTTPRequestDelegate>@property (nonatomic, strong) ASIHTTPRequest *request;@end@implementation HMViewController- (void)viewDidLoad{[super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.}- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{[self asynGet];}/** * 异步的GET请求 */- (void)asynGet{// 1.URLNSURL *url = [NSURL URLWithString:@”http://localhost:8080/MJServer/video”];// 2.创建一个请求对象ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];request.timeOutSeconds = 15; // 15秒后服务器还没有响应，就算超时// 设置代理request.delegate = self;// 3.开始请求[request startAsynchronous];self.request = request;}- (void)dealloc{// 这句代码为了防止：控制器销毁了，request还回来调用控制器的代理方法，，引发野指针[self.request clearDelegatesAndCancel];}#pragma mark – ASIHTTPRequestDelegate/** * 1.开始发送请求 */- (void)requestStarted:(ASIHTTPRequest *)request{NSLog(@”requestStarted”);}/** * 2.接收到服务器的响应头信息 */- (void)request:(ASIHTTPRequest *)request didReceiveResponseHeaders:(NSDictionary *)responseHeaders{NSLog(@”didReceiveResponseHeaders”);}/** * 3.接收到服务器的实体数据（具体数据） * 只要实现了这个代理方法，responseData\responseString就没有值 *//** * 4.服务器的响应数据接收完毕 */- (void)requestFinished:(ASIHTTPRequest *)request{NSLog(@”requestFinished–%@”, [request responseData]);}/** * 5.请求失败 */- (void)requestFailed:(ASIHTTPRequest *)request{NSLog(@”requestFailed”);}/** * 同步的GET请求 */- (void)synGet{// 1.URLNSURL *url = [NSURL URLWithString:@”http://localhost:8080/MJServer/video”];// 2.创建一个请求对象ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];request.timeOutSeconds = 15; // 15秒后服务器还没有响应，就算超时// 3.开始请求(这行代码会卡主，等待服务器给数据)[request startSynchronous];// 4.请求完毕NSError *error = [request error];if (error) {NSLog(@”请求失败—%@”, error);} else {NSData *data = [request responseData];//NSString *str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];//NSString *str = [request responseString];NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];NSLog(@”请求成功—%@”, dict);}}@end
你并不一定会从此拥有更美好的人生，
