iOS-GET請求詳細操作-GET佈建要求頭

iOS-GET請求詳細操作-GET佈建要求頭

難得一次備忘相當詳細的原生GET網路請求操作,強迫症一樣記錄下來和大家分享… 也備複製用

-(void)getResult{    _MB = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];    //介面路徑    NSString *path = @"http://a.apix.cn/apixlife/phone/phone";    //路徑-+參數    NSString *pathWithPhoneNum = [NSString stringWithFormat:@"%@?phone=%@",path,_phoneNumFD.text];    //中文編碼    NSString *urlPath = [pathWithPhoneNum stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];    //URL    NSURL *phoneURL = [NSURL URLWithString:urlPath];    //請求對象    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:phoneURL];    //請求方式    [request setHTTPMethod:@"GET"];    //要求標頭    [request setValue:@"92b5787ecd17417b718a2aaedc7e6ce8" forHTTPHeaderField:@"apix-key"];    //網路設定    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];    //網路會話    NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration];    //任務    NSURLSessionDataTask *sessionTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {        //回到主線程更新UI -> 撤銷遮罩        dispatch_async(dispatch_get_main_queue(), ^{            [_MB hide:YES];        });        if (error) {            NSLog(@"請求失敗... %@",error);            //提示使用者請求失敗!            UIAlertController *AV = [UIAlertController alertControllerWithTitle:@"提示" message:@"抱歉,伺服器錯誤,請稍後重試..." preferredStyle:UIAlertControllerStyleActionSheet];            [AV addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {                //點擊OK,進行相應操作,可置nil                NSLog(@"您點擊了OK..");            }]];            [self presentViewController:AV animated:YES completion:nil];        }else{            //JSON 解析 蘋果原生效率最高            NSDictionary *result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];            if ([[result objectForKey:@"message"] isEqualToString:@"success"]) {                //擷取資料->主線程更新UI                dispatch_async(dispatch_get_main_queue(), ^{                    NSDictionary *data = [result objectForKey:@"data"];                    NSString *city = [data objectForKey:@"city"];                    NSString *province = [data objectForKey:@"province"];                    NSString *belong = [NSString stringWithFormat:@"%@ · %@",province,city];                    [_resultLB setText:belong];                });            }else{                NSLog(@"未查到資訊....");            }            NSLog(@"請求成功... %@",result);        }    }];    //開始任務    [sessionTask resume];}