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-