AFN 请求数据https

第一步：

导入afn库

第二步：

在pch中添加

#import <SystemConfiguration/SystemConfiguration.h>

#import <MobileCoreServices/MobileCoreServices.h>

#define AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES

第三步：

       AFSecurityPolicy *securityPolicy = [AFSecurityPolicy defaultPolicy];

        securityPolicy.allowInvalidCertificates = YES;

        AFHTTPRequestOperationManager *manger = [AFHTTPRequestOperationManager manager];

        manger.securityPolicy = securityPolicy;

        [manger POST:urlString parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {

   

        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

            

        }];