NSURLSession请求网络-01-网络

  1 //
  2 //  ViewController.m
  3 //  01-NSURLSession请求网络
  4 //
  5 //
  6 
  7 #import "ViewController.h"
  8 
  9 @interface ViewController ()
 10 
 11 @end
 12 
 13 @implementation ViewController
 14 
 15 - (void)viewDidLoad {
 16     [super viewDidLoad];
 17 
 18 }
 19 
 20 - (IBAction)getAction:(id)sender {
 21     
 22     /*
 23      网络请求的流程：
 24      1.构造NSURL连接地址
 25      2.构造NSURLRequest请求对象，包含请求头和请求体信息。
 26      3.构造NSURLSessionConfiguration，可选
 27      4.构造NSURLSession会话对象
 28      5.创建请求任务
 29      6.发送网络请求
 30      
 31      */
 32     
 33     NSURL *url = [NSURL URLWithString:@"http://piao.163.com/m/cinema/list.html?app_id=1&mobileType=iPhone&ver=2.6&channel=appstore&deviceId=9E89CB6D-A62F-438C-8010-19278D46A8A6&apiVer=6&city=110000"];
 34     
 35     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
 36     
 37     request.timeoutInterval = 15;
 38     request.HTTPMethod = @"GET";
 39     //请求头的设置
 40 //    request.allHTTPHeaderFields = @{
 41 //                                    
 42 //                                    };
 43 //    request setValue:<#(nullable NSString *)#> forHTTPHeaderField:<#(nonnull NSString *)#>
 44     
 45     NSURLSession *session = [NSURLSession sharedSession];
 46     
 47 
 48     NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
 49         //网络请求完成，获取响应数据后会回调的block
 50         //data表示获取的数据，response表示请求对象，error表示请求错误
 51         NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
 52         //获取状态码
 53         NSLog(@"statusCode:%li", httpResponse.statusCode);
 54         
 55         //获取响应头
 56         NSDictionary *responseHeader = httpResponse.allHeaderFields;
 57         NSLog(@"responseHeader:%@", responseHeader);
 58 
 59         NSError *jsonError = nil;
 60         
 61         NSDictionary *result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&jsonError];
 62         
 63         if (!jsonError) {
 64             
 65             //显示我们的数据,如果要更新UI则需要回到主线程完成。
 66             NSLog(@"%@", result);
 67             
 68         }
 69         
 70         
 71         
 72     }];
 73     
 74     //发送网络请求
 75     [task resume];
 76     
 77     
 78 }
 79 
 80 - (IBAction)postAction:(id)sender {
 81     
 82     NSURL *url = [NSURL URLWithString:@"http://piao.163.com/m/cinema/schedule.html?app_id=1&mobileType=iPhone&ver=2.6&channel=appstore&deviceId=9E89CB6D-A62F-438C-8010-19278D46A8A6&apiVer=6&city=110000"];
 83     
 84     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
 85     
 86     request.timeoutInterval = 15;
 87     request.HTTPMethod = @"POST";
 88     
 89     NSString *bodyString = @"cinema_id=1533";
 90     NSData *bodyData = [bodyString dataUsingEncoding:NSUTF8StringEncoding];
 91     //POST请求的请求参数加在请求体中。
 92     request.HTTPBody = bodyData;
 93     
 94     NSURLSession *session = [NSURLSession sharedSession];
 95     
 96     
 97     NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
 98         
 99     
100         NSError *jsonError = nil;
101         
102         NSDictionary *result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&jsonError];
103         
104         if (!jsonError) {
105             
106             //显示我们的数据,如果要更新UI则需要回到主线程完成。
107             NSLog(@"%@", result);
108             
109         }
110         
111         
112     }];
113     
114     [task resume];
115     
116 }
117 @end