網(wǎng)絡(luò)請求封裝

有很多人面試時(shí)候都被問到皆警,你是怎么封裝網(wǎng)絡(luò)請求的昵拦宣??

所以來聊聊信姓,如何封裝網(wǎng)絡(luò)請求

//// ?HTTPTool.h// ?HTTPNetworking//// ?Created by Evan on 16/7/3.// ?Copyright ? 2016年 Evan. All rights reserved.//

#importtypedef NS_ENUM(NSInteger, HTTPRequestType) { // 請求類型

HTTPRequestTypeGET = 0,

HTTPRequestTypeHEAD,

HTTPRequestTypePOST,

HTTPRequestTypePUT,

HTTPRequestTypePATCH,

HTTPRequestTypeDELETE,

};

// 使用Block來進(jìn)行回調(diào)恢着,看后臺返回的數(shù)據(jù)進(jìn)行回調(diào)

typedef void(^HTTPRequestSuccess)(NSURLSessionDataTask *task, id responseObject);// 成功回調(diào)

typedef void(^HTTPRequestFailure)(NSURLSessionDataTask *task, NSError *error);// 失敗回調(diào)

typedef void(^HTTPRequestAllCompletion)();// 所有回調(diào)

@class HTTPTool;

@interface HTTPTool : NSObject

+ (HTTPTool *)defaultHTTPHelper;

/**

* ?HTTP請求

*

* ?@param type ? ? ? ? ?請求類型

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)requestType:(HTTPRequestType)type URLString:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allcompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?GET請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)GET:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?HEAD請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)HEAD:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?POST請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?PUT請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)PUT:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?PATCH請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)PATCH:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

/**

* ?DELETE請求

*

* ?@param URLString ? ? 請求路徑

* ?@param parameters ? ?請求參數(shù)

* ?@param success ? ? ? 成功回調(diào)

* ?@param failure ? ? ? 失敗回調(diào)

* ?@param allCompletion 完成回調(diào)

*/

- (NSURLSessionDataTask *)DELETE:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion;

@end



實(shí)現(xiàn)網(wǎng)絡(luò)請求方法

//

// ?HTTPTool.m

// ?HTTPNetworking

//

// ?Created by Evan on 16/7/3.

// ?Copyright ? 2016年 Evan. All rights reserved.

//

#import "HTTPTool.h"

#import "AFNetworking.h"

@interface HTTPTool ()

@property (nonatomic, strong) AFHTTPSessionManager *manager;

@end

@implementation HTTPTool

- (instancetype)init

{

self = [super init];

if (self)

{

self.manager = [AFHTTPSessionManager manager];

self.manager.requestSerializer.timeoutInterval = 10;

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

self.manager.responseSerializer = [AFJSONResponseSerializer serializerWithReadingOptions:NSJSONReadingAllowFragments];

}

return self;

}

+ (HTTPTool *)defaultHTTPHelper;// 創(chuàng)建一個(gè)單例來管理

{

static HTTPTool *instances = nil;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

instances = [[self alloc] init];

});

return instances;

}

- (NSURLSessionDataTask *)requestType:(HTTPRequestType)type URLString:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allcompletion:(HTTPRequestAllCompletion)allCompletion

{

switch (type) {// 判斷是什么類型的網(wǎng)絡(luò)請求,然后做出以下操作

case HTTPRequestTypeGET:

return [self GET:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

case HTTPRequestTypeHEAD:

return [self HEAD:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

case HTTPRequestTypePOST:

return [self POST:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

case HTTPRequestTypePUT:

return [self PUT:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

case HTTPRequestTypePATCH:

return [self PATCH:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

case HTTPRequestTypeDELETE:

return [self DELETE:URLString parameters:parameters success:success failure:failure allCompletion:allCompletion];

default:

return nil;

break;

}

}

- (NSURLSessionDataTask *)GET:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return ?[self.manager GET:URLString parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {

} success:^(NSURLSessionDataTask * _Nonnull task, id ?_Nullable responseObject) {

!success?:success(task,responseObject);// 這里使用三目運(yùn)算來輸出結(jié)果

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

- (NSURLSessionDataTask *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return [self.manager POST:URLString parameters:parameters progress:^(NSProgress * _Nonnull downloadProgress) {

} success:^(NSURLSessionDataTask * _Nonnull task, id ?_Nullable responseObject) {

!success?:success(task,responseObject);

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

- (NSURLSessionDataTask *)PATCH:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return [self.manager PATCH:URLString parameters:parameters success:^(NSURLSessionDataTask * _Nonnull task, id ?_Nullable responseObject) {

!success?:success(task,responseObject);

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

- (NSURLSessionDataTask *)HEAD:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return [self.manager HEAD:URLString parameters:parameters success:^(NSURLSessionDataTask * _Nonnull task) {

!success?:success(task,nil);

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

- (NSURLSessionDataTask *)PUT:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return [self.manager PUT:URLString parameters:parameters success:^(NSURLSessionDataTask * _Nonnull task, id ?_Nullable responseObject) {

!success?:success(task,nil);

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

- (NSURLSessionDataTask *)DELETE:(NSString *)URLString parameters:(NSDictionary *)parameters success:(HTTPRequestSuccess)success failure:(HTTPRequestFailure)failure allCompletion:(HTTPRequestAllCompletion)allCompletion

{

return [self.manager DELETE:URLString parameters:parameters success:^(NSURLSessionDataTask * _Nonnull task, id ?_Nullable responseObject) {

!success?:success(task,nil);

!allCompletion?:allCompletion();

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

!failure?:failure(task,error);

!allCompletion?:allCompletion();

}];

}

@end


Demo:https://github.com/EvanYeShao/HTTPNetworking-

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