GET请求

WangLuoQingQiu.h

#import <Foundation/Foundation.h>
#import "BaseHeader.h"
typedef void(^AFNData)(id block);

typedef void(^AFNDataa)(id BLOCK);

@interface WangLuoQingQiu : NSObject

+ (void)getdataWithString:(NSString *)string block:(AFNData)block BLOCK:(AFNDataa)BLOCK;

@end

WangLuoQingQiu.m

#import "WangLuoQingQiu.h"
@implementation WangLuoQingQiu

+ (void)getdataWithString:(NSString *)string block:(AFNData)block BLOCK:(AFNDataa)BLOCK
{
    AFNetworkReachabilityManager *netWorkingManager = [AFNetworkReachabilityManager sharedManager];
    NSString *url_string = [NSString stringWithFormat:@"%@", string];
    NSURL *URL = [NSURL URLWithString:url_string];
    url_string = [url_string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain", @"text/json", @"application/json", @"text/javascript", @"text/html",  nil];
    [manager GET:URL.absoluteString parameters:nil success:^(NSURLSessionTask *task, id responseObject) {
        [netWorkingManager stopMonitoring];
        block(responseObject);
//        NSLog(@"JSON: %@", responseObject);
    } failure:^(NSURLSessionTask *operation, NSError *error) {
        NSLog(@"Error: %@", error);
        BLOCK (operation);
    }];

}

@end

调用方法

- (void)getData:(NSString *)url
{
    [WangLuoQingQiu getdataWithString:url block:^(id block) {
        //block是请求回来的数据,是个字典或者数组
    } BLOCK:^(id BLOCK) {
        //网络请求失败执行的方法
    }];
}

POST请求

AFNPostBlock.h

#import <Foundation/Foundation.h>
#import <AFNetworking.h>
typedef void(^AFNData)(id block);

@interface AFNPostBlock : NSObject
+(void)getDataWithString:(NSString *)string body:(NSDictionary *)parameters block:(AFNData)block;

@end

AFNPostBlock.m

+ (void)getDataWithString:(NSString *)string body:(NSDictionary *)parameters block:(AFNData)block
{
    AFNetworkReachabilityManager *netWorkManager = [AFNetworkReachabilityManager sharedManager];
    
    NSString *url_string = [NSString stringWithFormat:@"%@",string];
    url_string = [url_string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain",@"text/json",@"application/json",@"text/javascript",@"text/html",nil];
    
    [manager POST:url_string parameters:parameters success:^(NSURLSessionTask *task, id responseObject)  {
        
        [netWorkManager stopMonitoring];

        block(responseObject);
        
    } failure:^(NSURLSessionTask *operation, NSError *error) {

        NSLog(@"失败 === %@",error);
           dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

           NSLog(@"Error: %@", error);
        });
    }];
}

调用方法

- (void)postDateUrl:(NSString *)url body:(NSDictionary *)body
{
    [AFNPostBlock getDataWithString:url body:body block:^(id block) {
//block 是请求回得数据
    }];
}