AFNetWorking设置HTTPRequestHeaders的坑

今天在项目中要封装一个请求头但是用如下方法总是失败:

AFNetWorking设置HTTPRequestHeaders的坑

求其原因不知道:

于是乎改用了属性对象后居然成功了。。:

//

//  RequestManager.m

//  获取天气demo

//

//  Created by ios on 16/9/13.

//  Copyright © 2016年 ios. All rights reserved.

//

#import "RequestManager.h"

#import "AFNetworking/AFNetworking.h"

@interface RequestManager()

@property (nonatomic,strong) AFHTTPSessionManager *manager;

@end

@implementation RequestManager

static id _manager=nil;

// 单例

static id shareInstace=nil;

+(RequestManager *)shareInstasnce{

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

shareInstace=[[self alloc] init];

});

return shareInstace;

}

- (instancetype)init

{

self = [super init];

if (self) {

AFHTTPSessionManager *manager=[AFHTTPSessionManager manager];

AFSecurityPolicy *securityPolicy = [AFSecurityPolicy defaultPolicy];

securityPolicy.allowInvalidCertificates = YES;

securityPolicy.validatesDomainName = NO;

manager.securityPolicy=securityPolicy;

manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/html", @"text/plain", @"text/json", @"text/javascript", nil];

_manager=manager;

}

return self;

}

-(void)GET:(NSString *)url params:(NSMutableDictionary *)params success:(void (^)(id))success failure:(void (^)(NSError *))failure{

NSLog(@"%@",_manager.requestSerializer.HTTPRequestHeaders);

[_manager GET:url parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

success(responseObject);

} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

failure(error);

}];

}

-(void)setHttpRequestheader:(NSDictionary *)headerFieldValueDictionary{

_manager.requestSerializer.timeoutInterval=10.0f;

if (headerFieldValueDictionary != nil) {

for (id httpHeaderField in headerFieldValueDictionary.allKeys) {

id value = headerFieldValueDictionary[httpHeaderField];

if ([httpHeaderField isKindOfClass:[NSString class]] && [value isKindOfClass:[NSString class]]) {

[_manager.requestSerializer setValue:(NSString *)value forHTTPHeaderField:(NSString *)httpHeaderField];//这种情况设置就成功了。。

} else {

NSLog(@"Error, class of key/value in headerFieldValueDictionary should be NSString.");

}

}

}

}

@end

AFNetworking的坑真不少。。

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