释放双眼，带上耳机，听听看~！
1.头文件
#import <Foundation/Foundation.h>
2.宏定义
#define A a
3.枚举/静态变量等
typedef NS_ENUM(NSInteger, AFNetworkReachabilityStatus) {
AFNetworkReachabilityStatusUnknown = -1,
AFNetworkReachabilityStatusNotReachable = 0,
AFNetworkReachabilityStatusReachableViaWWAN = 1,
AFNetworkReachabilityStatusReachableViaWiFi = 2,
};
static dispatch_queue_t http_request_operation_processing_queue() {
static dispatch_queue_t af_http_request_operation_processing_queue;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
af_http_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.http-request.processing", DISPATCH_QUEUE_CONCURRENT);
});
return af_http_request_operation_processing_queue;
}
4.接口
@interface AFNetworkReachabilityManager : NSObject
(1)属性
@property (readonly, nonatomic, assign) AFNetworkReachabilityStatus networkReachabilityStatus;
(2)方法
+ (instancetype)sharedManager;