这个封装类包含了GET请求，POST请求，上传图片，上传多张图片，下载图片，判断网络是否可用等功能。

#import <Foundation/Foundation.h>@interface HttpUtil : NSObjecttypedef NS_ENUM(NSInteger, NetworkReachabilityStatus) { NetworkReachabilityStatusUnknown = -1, NetworkReachabilityStatusNotReachable = 0, NetworkReachabilityStatusReachableViaWWAN = 1, NetworkReachabilityStatusReachableViaWiFi = 2,};// GET请求+ (void)getWithURLString:(NSString *)URLString parameters:(id)parameters success:(void (^)(id))success failure:(void (^)(NSError * error))failure;// POST请求+ (void)postWithURLString:(NSString *)URLString parameters:(id)parameters success:(void (^)(id))success failure:(void (^)(NSError *))failure;// 上传图片+ (void)uploadWithURLString:(NSString *)URLString parameters:(id)parameters uploadData:(NSData *)uploadData uploadName:(NSString *)uploadName success:(void (^)())success failure:(void (^)(NSError *))failure;// 上传多张图片+ (void)uploadMostImageWithURLString:(NSString *)URLString parameters:(id)parameters uploadDatas:(NSArray *)uploadDatas uploadName:(NSString *)uploadName success:(void (^)())success failure:(void (^)(NSError *))failure;+(void)DownLoadWithUrlString:(NSString *)URLString parameters:(id)parameters progress:(void (^)(id))progress success:(void(^)(NSURL *filePath))success;+(void)setReachabilityStatusChangeBlock:(void(^)(NetworkReachabilityStatus status))block;+(void)stopMonitoring;+(Boolean)JudgeNetisConnect;@end#import "HttpUtil.h"#import "AFNetworking.h"@implementation HttpUtil#pragma mark -- GET请求 --+ (void)getWithURLString:(NSString *)URLString parameters:(id)parameters success:(void (^)(id))success failure:(void (^)(NSError * error))failure { AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; manager.requestSerializer.timeoutInterval = 10; manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json", @"text/plain", @"text/html", nil]; [manager GET:URLString parameters:parameters progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { if (responseObject) { success(responseObject); } } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { if (error) { failure(error); } }];}#pragma mark -- POST请求 --+ (void)postWithURLString:(NSString *)URLString parameters:(id)parameters success:(void (^)(id))success failure:(void (^)(NSError *))failure { AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];// manager.requestSerializer.HTTPMethodsEncodingParametersInURI = [NSSet setWithArray:@[@"POST", @"GET", @"HEAD"]]; manager.requestSerializer.timeoutInterval = 10; manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json", @"text/plain", @"text/html", nil]; [manager POST:URLString parameters:parameters progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { if (success) { success(responseObject); } } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { if (failure) { failure(error); } }];}#pragma mark -- 上传图片 --+ (void)uploadWithURLString:(NSString *)URLString parameters:(id)parameters uploadData:(NSData *)uploadData uploadName:(NSString *)uploadName success:(void (^)())success failure:(void (^)(NSError *))failure { AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json", @"text/plain", @"text/html", nil]; [manager POST:URLString parameters:parameters constructingBodyWithBlock:^(id< AFMultipartFormData > _Nonnull formData) { [formData appendPartWithFileData:uploadData name:uploadName fileName:uploadName mimeType:@"image/png"]; } progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { if (success) { success(responseObject); } } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { if (failure) { failure(error); } }];}// 上传多张图片 uploadDatas 图片的data集合// uploadName 文件名称 最好以xxx1 xxx2 表示 image1 image2+ (void)uploadMostImageWithURLString:(NSString *)URLString parameters:(id)parameters uploadDatas:(NSArray *)uploadDatas uploadName:(NSString *)uploadName success:(void (^)())success failure:(void (^)(NSError *))failure{ AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json", @"text/plain", @"text/html", nil]; [manager POST:URLString parameters:parameters constructingBodyWithBlock:^(id< AFMultipartFormData > _Nonnull formData) { for (int i=0; uploadDatas.count; i++) { NSString *imageName = [NSString stringWithFormat:@"%@[%i]", uploadName, i]; [formData appendPartWithFileData:uploadDatas[i] name:uploadName fileName:imageName mimeType:@"image/png"]; } } progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { if (success) { success(responseObject); } } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { if (failure) { failure(error); } }];}+(void)DownLoadWithUrlString:(NSString *)URLString parameters:(id)parameters progress:(void (^)(id))progress success:(void(^)(NSURL *filePath))success{ //1.创建管理者对象 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; URLString=[self DownLoadUrlWithParams:URLString WithNSDictionaryParams:parameters]; NSLog(@"DownLoadFileUrl %@",URLString); NSURL *url = [NSURL URLWithString:URLString]; //3.创建请求对象 NSURLRequest *request = [NSURLRequest requestWithURL:url]; //下载任务 NSURLSessionDownloadTask *task = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) { if (progress) { progress(downloadProgress); } } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) { // //下载地址 // //设置下载路径，通过沙盒获取缓存地址，最后返回NSURL对象 NSString *filePath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)lastObject]; filePath=[filePath stringByAppendingPathComponent:@"DFU.zip"]; return [NSURL fileURLWithPath:filePath]; } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) { if (success) { success(filePath); } }]; //开始启动任务 [task resume];}//因为下载的方法不能够直接填写dict参数进去，所以只有使用这种方法拼接参数进去+(NSString *)DownLoadUrlWithParams:(NSString*)url WithNSDictionaryParams:(NSDictionary *)params{ // 初始化参数变量 NSString *body=@""; // 快速遍历参数数组 NSString* appendUrl; for(id key in params) { NSLog(@"key :%@ value :%@", key, [params objectForKey:key]); body = [body stringByAppendingString:key]; body = [body stringByAppendingString:@"="]; body = [body stringByAppendingString:[params objectForKey:key]]; body = [body stringByAppendingString:@"&"]; } // 处理多余的&以及返回含参url if (body.length > 1) { // 去掉末尾的& body = [body substringToIndex:body.length - 1]; // 返回含参url } appendUrl=[url stringByAppendingString:body]; return appendUrl;}+(void)setReachabilityStatusChangeBlock:(void(^)(NetworkReachabilityStatus status))block{ //监测网络状态 AFNetworkReachabilityManager *netMan = [AFNetworkReachabilityManager sharedManager]; [netMan setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) { switch (status) { // 未知网络 case AFNetworkReachabilityStatusUnknown: if (block) { block(NetworkReachabilityStatusUnknown); } break; // 没有网络 case AFNetworkReachabilityStatusNotReachable: if (block) { block(NetworkReachabilityStatusNotReachable); } break; // 手机自带网络 case AFNetworkReachabilityStatusReachableViaWWAN: if (block) { block(NetworkReachabilityStatusReachableViaWWAN); } break; // WIFI case AFNetworkReachabilityStatusReachableViaWiFi: if (block) { block(NetworkReachabilityStatusReachableViaWiFi); } break; } }]; [netMan startMonitoring];}+(void)stopMonitoring{ AFNetworkReachabilityManager *netMan = [AFNetworkReachabilityManager sharedManager]; [netMan stopMonitoring];}+(Boolean)JudgeNetisConnect{ NSString *urlstr=WuCheBaseUrl; NSURLRequest *request=[NSURLRequest requestWithURL:[NSURL URLWithString:urlstr] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:5.0]; NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; if (response!=NULL) { return YES; } return NO;}@end

以上这篇iOS AFNetworking各种功能封装类代码就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。