AFNetworking - 强大的 iOS 网络请求库

pod 'AFNetworking', '~> 4.0'

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];[manager GET:@"https://api.example.com/data"   parameters:nil      headers:nil     progress:nil      success:^(NSURLSessionDataTask *task, id responseObject) {        NSLog(@"JSON: %@", responseObject);    }      failure:^(NSURLSessionDataTask *task, NSError *error) {        NSLog(@"Error: %@", error);    }];

NSURL *url = [NSURL URLWithString:@"https://example.com/image.png"];NSURLRequest *request = [NSURLRequest requestWithURL:url];
[imageView setImageWithURLRequest:request                  placeholderImage:nil                           success:^(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {                              imageView.image = image;                          }                           failure:nil];

[[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {    NSLog(@"Reachability: %@", AFStringFromNetworkReachabilityStatus(status));}];[[AFNetworkReachabilityManager sharedManager] startMonitoring];

// AFHTTPSessionManager.h@interface AFHTTPSessionManager : AFURLSessionManager <NSSecureCoding, NSCopying>
@property (readonly, nonatomic, strong) NSURL *baseURL;@property (nonatomic, strong) AFHTTPRequestSerializer <AFURLRequestSerialization> * requestSerializer;@property (nonatomic, strong) AFHTTPResponseSerializer <AFURLResponseSerialization> * responseSerializer;
+ (instancetype)manager;- (instancetype)initWithBaseURL:(nullable NSURL *)url;- (instancetype)initWithBaseURL:(nullable NSURL *)url            sessionConfiguration:(nullable NSURLSessionConfiguration *)configuration;
// HTTP请求方法- (nullable NSURLSessionDataTask *)GET:(NSString *)URLString                            parameters:(nullable id)parameters                               headers:(nullable NSDictionary <NSString *, NSString *> *)headers                              progress:(nullable void (^)(NSProgress *downloadProgress))downloadProgress                               success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success                               failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;// 其他HTTP方法...@end

// AFNetworkReachabilityManager.htypedef NS_ENUM(NSInteger, AFNetworkReachabilityStatus) {    AFNetworkReachabilityStatusUnknown          = -1,    AFNetworkReachabilityStatusNotReachable     = 0,    AFNetworkReachabilityStatusReachableViaWWAN = 1,    AFNetworkReachabilityStatusReachableViaWiFi = 2,};
@interface AFNetworkReachabilityManager : NSObject
@property (readonly, nonatomic, assign) AFNetworkReachabilityStatus networkReachabilityStatus;@property (readonly, nonatomic, assign, getter = isReachable) BOOL reachable;@property (readonly, nonatomic, assign, getter = isReachableViaWWAN) BOOL reachableViaWWAN;@property (readonly, nonatomic, assign, getter = isReachableViaWiFi) BOOL reachableViaWiFi;
+ (instancetype)sharedManager;+ (instancetype)manager;+ (instancetype)managerForDomain:(NSString *)domain;+ (instancetype)managerForAddress:(const void *)address;
- (instancetype)initWithReachability:(SCNetworkReachabilityRef)reachability;
- (void)startMonitoring;- (void)stopMonitoring;
- (void)setReachabilityStatusChangeBlock:(nullable void (^)(AFNetworkReachabilityStatus status))block;
@end