文丨清楓

AFNetworking開源庫封裝了原生的方法齐鲤，由于NSURLConnection的棄用彼念，AFNetworking的使用也有一些改變纽谒。

Get請求

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

[manager GET:URL parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {  

}     
 success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {  

 NSLog(@"這里打印請求成功要做的事");  

}

failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull   error) {  

NSLog(@"%@",error);  //這里打印錯(cuò)誤信息

}];

Post請求

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];


NSMutableDictionary *parameters = @{@"":@"",@"":@""};

[manager POST:URL parameters:parameters progress:^(NSProgress * _Nonnull uploadProgress) {


} success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {


} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

}];

Download請求

//創(chuàng)建NSURLSessionConfiguration
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
//創(chuàng)建管理者對象
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

//設(shè)置url
NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"];
//創(chuàng)建請求對象
NSURLRequest *request = [NSURLRequest requestWithURL:URL];

//下載任務(wù)
NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {
        //打印下下載進(jìn)度
        NSLog(@"%lf",1.0 * downloadProgress.completedUnitCount / downloadProgress.totalUnitCount);

    } destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
    //設(shè)置下載路徑
    NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
    return [documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]];
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
  //下載完成
    NSLog(@"File downloaded to: %@", filePath);
}];
//啟動任務(wù)
[downloadTask resume];

Upload請求

//創(chuàng)建NSURLSessionConfiguration
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
//創(chuàng)建管理者對象
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

//設(shè)置url
NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"];
//創(chuàng)建請求對象
NSURLRequest *request = [NSURLRequest requestWithURL:URL];
//文件路徑
NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"];

//上傳任務(wù)
NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromFile:filePath progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
    if (error) {
      //錯(cuò)誤
        NSLog(@"Error: %@", error);
    } else {
      //成功
        NSLog(@"Success: %@ %@", response, responseObject);
    }
}];
//啟動任務(wù)
[uploadTask resume];

網(wǎng)絡(luò)狀態(tài)

//1.創(chuàng)建網(wǎng)絡(luò)監(jiān)測者
   AFNetworkReachabilityManager *manager = [AFNetworkReachabilityManager sharedManager];


   [manager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
       //監(jiān)測網(wǎng)絡(luò)改變
       switch (status) {
           case AFNetworkReachabilityStatusUnknown:
               NSLog(@"未知網(wǎng)絡(luò)狀態(tài)");
               break;
           case AFNetworkReachabilityStatusNotReachable:
               NSLog(@"無網(wǎng)絡(luò)");
               break;

           case AFNetworkReachabilityStatusReachableViaWWAN:
               NSLog(@"蜂窩數(shù)據(jù)網(wǎng)");
               break;

           case AFNetworkReachabilityStatusReachableViaWiFi:
               NSLog(@"WiFi網(wǎng)絡(luò)");

               break;

           default:
               break;
       }

   }] ;
}