AFNetworking 2.5.x 网络请求的封装
本文共 19402 字，大约阅读时间需要 64 分钟。
AFNetworking 2.5.x 网络请求的封装
源码地址
说明
1. 将block形式的请求转换成用代理来处理
2. 你可以通过继承父类，改写父类的某些方法来达到转换请求字典（加密或者其他事宜等），转换获取结果的目的（加密或者其他事宜等）
3. 支持下载进度
常规请求源码
//// Networking.h// NetworkingCraft//// Created by YouXianMing on 15/6/11.// Copyright (c) 2015年 YouXianMing. All rights reserved.//#import@class Networking;typedef enum : NSUInteger { GET_METHOD, // GET请求 POST_METHOD, // POST请求 } AFNetworkingRequestMethod;typedef enum : NSUInteger { HTTPRequestType = 0x11, // 二进制格式 (不设置的话为默认格式) JSONRequestType, // JSON方式 PlistRequestType, // 集合文件方式 } AFNetworkingRequestType;typedef enum : NSUInteger { HTTPResponseType = 0x22, // 二进制格式 (不设置的话为默认格式) JSONResponseType, // JSON方式 PlistResponseType, // 集合文件方式 ImageResponseType, // 图片方式 CompoundResponseType, // 组合方式 } AFNetworkingResponseType;@protocol NetworkingDelegate @optional/** * 请求成功 * * @param networking Networking实例对象 * @param data 数据 */- (void)requestSucess:(Networking *)networking data:(id)data;/** * 请求失败 * * @param networking Networking实例对象 * @param error 错误信息 */- (void)requestFailed:(Networking *)networking error:(NSError *)error;/** * 用户取消请求 * * @param networking Networking实例对象 * @param error 错误信息 */- (void)userCanceledFailed:(Networking *)networking error:(NSError *)error;@end@interface Networking : NSObject/** * 代理 */@property (nonatomic, weak) id delegate;/** * 标识符 */@property (nonatomic, strong) NSString *flag;/** * 超时时间间隔(设置了才能生效,不设置,使用的是AFNetworking自身的超时时间间隔) */@property (nonatomic, strong) NSNumber *timeoutInterval;/** * 请求的类型 */@property (nonatomic) AFNetworkingRequestType requestType;/** * 回复的类型 */@property (nonatomic) AFNetworkingResponseType responseType;/** * 请求的方法类型 */@property (nonatomic) AFNetworkingRequestMethod RequestMethod;/** * 网络请求地址 */@property (nonatomic, strong) NSString *urlString;/** * 作为请求用字典 */@property (nonatomic, strong) NSDictionary *requestDictionary;/** * * -====== 此方法由继承的子类来重载实现 ======- * * 转换请求字典 * * @return 转换后的字典 */- (NSDictionary *)transformRequestDictionary;/** * * -====== 此方法由继承的子类来重载实现 ======- * * 对返回的结果进行转换 * * @return 转换后的结果 */- (id)transformRequestData:(id)data;/** * 开始请求 */- (void)startRequest;/** * 取消请求 */- (void)cancelRequest;#pragma mark - 便利构造器方法/** * 便利构造器方法 * * @param urlString 请求地址 * @param requestDictionary 请求参数 * @param delegate 代理 * @param timeoutInterval 超时时间 * @param flag 标签 * @param requestMethod 请求方法 * @param requestType 请求类型 * @param responseType 回复数据类型 * * @return 实例对象 */+ (instancetype)networkingWithUrlString:(NSString *)urlString requestDictionary:(NSDictionary *)requestDictionary delegate:(id)delegate timeoutInterval:(NSNumber *)timeoutInterval flag:(NSString *)flag requestMethod:(AFNetworkingRequestMethod)requestMethod requestType:(AFNetworkingRequestType)requestType responseType:(AFNetworkingResponseType)responseType;@end
//// Networking.m// NetworkingCraft//// Created by YouXianMing on 15/6/11.// Copyright (c) 2015年 YouXianMing. All rights reserved.//#import "Networking.h"#import "AFNetworking.h"typedef enum : NSUInteger { DEALLOC_CANCEL, // dealloc取消 USER_CANCEL, // 用户取消 } ECancelType;@interface Networking ()#pragma mark - Private Instance@property (nonatomic, strong) AFHTTPRequestOperationManager *manager;@property (nonatomic, strong) AFHTTPRequestOperation *httpOperation;@property (nonatomic) ECancelType cancelType;#pragma mark - Private Method/** * 默认设置 */- (void)defaultConfig;/** * 根据序列化枚举值返回对应的请求策略 * * @param serializerType 序列化枚举值 * * @return 序列化策略 */+ (AFHTTPRequestSerializer *)requestSerializerWith:(AFNetworkingRequestType)serializerType;/** * 根据序列化枚举值返回对应的回复策略 * * @param serializerType 序列化枚举值 * * @return 序列化策略 */+ (AFHTTPResponseSerializer *)responseSerializerWith:(AFNetworkingResponseType)serializerType;@end@implementation Networking/** * 初始化方法 * * @return 实例对象 */- (instancetype)init { self = [super init]; if (self) { // 默认设置 [self defaultConfig]; } return self;}- (void)defaultConfig { self.manager = [AFHTTPRequestOperationManager manager]; // 设置回复内容信息 self.manager.responseSerializer.acceptableContentTypes = \ [self.manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];}- (void)startRequest { if (self.urlString.length <= 0) { return; } // 设置请求类型 if (self.requestType) { self.manager.requestSerializer = [Networking requestSerializerWith:self.requestType]; } else { self.manager.requestSerializer = [Networking requestSerializerWith:HTTPRequestType]; } // 设置回复类型 if (self.responseType) { self.manager.responseSerializer = [Networking responseSerializerWith:self.responseType]; } else { self.manager.responseSerializer = [Networking responseSerializerWith:HTTPResponseType]; } // 设置超时时间 if (self.timeoutInterval && self.timeoutInterval.floatValue > 0) { [self.manager.requestSerializer willChangeValueForKey:@"timeoutInterval"]; self.manager.requestSerializer.timeoutInterval = self.timeoutInterval.floatValue; [self.manager.requestSerializer didChangeValueForKey:@"timeoutInterval"]; } // 开始执行请求 if (self.RequestMethod == GET_METHOD) { __weak Networking *weakSelf = self; self.httpOperation = [self.manager GET:self.urlString parameters:[weakSelf transformRequestDictionary] success:^(AFHTTPRequestOperation *operation, id responseObject) { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(requestSucess:data:)]) { [weakSelf.delegate requestSucess:weakSelf data:[weakSelf transformRequestData:responseObject]]; } } failure:^(AFHTTPRequestOperation *operation, NSError *error) { if (self.cancelType == USER_CANCEL) { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(userCanceledFailed:error:)]) { [weakSelf.delegate userCanceledFailed:weakSelf error:error]; weakSelf.cancelType = DEALLOC_CANCEL; } } else { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(requestFailed:error:)]) { [weakSelf.delegate requestFailed:weakSelf error:error]; } } }]; } else if (self.RequestMethod == POST_METHOD) { __weak Networking *weakSelf = self; self.httpOperation = [self.manager POST:self.urlString parameters:[weakSelf transformRequestDictionary] success:^(AFHTTPRequestOperation *operation, id responseObject) { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(requestSucess:data:)]) { [weakSelf.delegate requestSucess:weakSelf data:[weakSelf transformRequestData:responseObject]]; } } failure:^(AFHTTPRequestOperation *operation, NSError *error) { if (self.cancelType == USER_CANCEL) { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(userCanceledFailed:error:)]) { [weakSelf.delegate userCanceledFailed:weakSelf error:error]; weakSelf.cancelType = DEALLOC_CANCEL; } } else { if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(requestFailed:error:)]) { [weakSelf.delegate requestFailed:weakSelf error:error]; } } }]; } else { }}- (void)cancelRequest { self.cancelType = USER_CANCEL; [self.httpOperation cancel];}- (void)dealloc { self.cancelType = DEALLOC_CANCEL; [self.httpOperation cancel];}+ (AFHTTPRequestSerializer *)requestSerializerWith:(AFNetworkingRequestType)serializerType { if (serializerType == JSONRequestType) { return [AFJSONRequestSerializer serializer]; } else if (serializerType == HTTPRequestType) { return [AFHTTPRequestSerializer serializer]; } else if (serializerType == PlistRequestType) { return [AFPropertyListRequestSerializer serializer]; } else { return nil; }}+ (AFHTTPResponseSerializer *)responseSerializerWith:(AFNetworkingResponseType)serializerType { if (serializerType == JSONResponseType) { return [AFJSONResponseSerializer serializer]; } else if (serializerType == HTTPResponseType) { return [AFHTTPResponseSerializer serializer]; } else if (serializerType == PlistResponseType) { return [AFPropertyListResponseSerializer serializer]; } else if (serializerType == ImageResponseType) { return [AFImageResponseSerializer serializer]; } else if (serializerType == CompoundResponseType) { return [AFCompoundResponseSerializer serializer]; } else { return nil; }}- (NSDictionary *)transformRequestDictionary { return self.requestDictionary;}- (id)transformRequestData:(id)data { return data;}+ (instancetype)networkingWithUrlString:(NSString *)urlString requestDictionary:(NSDictionary *)requestDictionary delegate:(id)delegate timeoutInterval:(NSNumber *)timeoutInterval flag:(NSString *)flag requestMethod:(AFNetworkingRequestMethod)requestMethod requestType:(AFNetworkingRequestType)requestType responseType:(AFNetworkingResponseType)responseType { Networking *networking = [[[self class] alloc] init]; networking.urlString = urlString; networking.requestDictionary = requestDictionary; networking.delegate = delegate; networking.timeoutInterval = timeoutInterval; networking.flag = flag; networking.RequestMethod = requestMethod; networking.requestType = requestType; networking.responseType = responseType; return networking;}@end 下载请求源码 //// DownloadTask.h// NetworkingCraft//// Created by YouXianMing on 15/6/11.// Copyright (c) 2015年 YouXianMing. All rights reserved.//#import#import @class DownloadTask;@protocol DownloadTaskDelegate @optional/** * 下载任务 * * @param downloadTask 实例对象 * @param progress 进度显示 */- (void)downloadTask:(DownloadTask *)downloadTask withProgress:(CGFloat)progress;/** * 下载失败 * * @param downloadTask 实例对象 * @param error 错误信息 */- (void)downloadTask:(DownloadTask *)downloadTask failedWithError:(NSError *)error;/** * 下载成功 * * @param downloadTask 实例对象 */- (void)downloadTaskSucess:(DownloadTask *)downloadTask;@end@interface DownloadTask : NSObject/** * 代理 */@property (nonatomic, weak) id delegate;/** * 下载地址 */@property (nonatomic, strong) NSString *urlString;/** * 存储的文件路径（不包括文件名字，如果不设置，则默认在/Library/Caches文件夹下） * * -------------------- * /Documents * /Library/Caches * /Library/Preferences * /tmp * -------------------- * */@property (nonatomic, strong) NSString *filePath;/** * 文件名（如果不给文件名，则使用默认的文件名） */@property (nonatomic, strong) NSString *fileName;/** * 绝对文件路径 */@property (nonatomic, strong, readonly) NSString *file;/** * 开始下载 */- (void)startDownload;/** * 停止下载 */- (void)stopDownload;#pragma mark - 便利构造器/** * 便利构造器 * * @param urlString 下载地址 * @param filePath 文件相对目录（可以不设置） * @param fileName 文件名字（可以不设置） * @param delegate 代理对象 * * @return 实例对象 */+ (instancetype)downloadTaskWithUrlString:(NSString *)urlString fileDirectory:(NSString *)filePath fileName:(NSString *)fileName delegate:(id)delegate;@end
//// DownloadTask.m// NetworkingCraft//// Created by YouXianMing on 15/6/11.// Copyright (c) 2015年 YouXianMing. All rights reserved.//#import "DownloadTask.h"#import "AFNetworking.h"@interface DownloadTask ()@property (nonatomic, strong) AFHTTPSessionManager *session;@property (nonatomic, strong) NSURLSessionDownloadTask *downloadTask;@property (nonatomic, strong) NSString *file;@end@implementation DownloadTask- (instancetype)init { self = [super init]; if (self) { [self defaultConfig]; } return self;}- (void)defaultConfig { self.session = [AFHTTPSessionManager manager];}- (void)startDownload { if (self.urlString.length <= 0) { return; } // 定义一个progress指针 NSProgress *progress; // 创建一个URL链接 NSURL *url = [NSURL URLWithString:self.urlString]; // 初始化一个请求 NSURLRequest *request = [NSURLRequest requestWithURL:url]; // 开始下载任务 __weak DownloadTask *weakSelf = self; self.downloadTask = \ [self.session downloadTaskWithRequest:request progress:&progress destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) { // 获取基本路径 NSString *filePath = nil; // 文件路径 if (weakSelf.filePath) { filePath = [weakSelf pathWithSting:self.filePath]; } else { filePath = [weakSelf pathWithSting:@"/Library/Caches"]; } // 文件名字 if (weakSelf.fileName) { filePath = [filePath stringByAppendingPathComponent:weakSelf.fileName]; } else { filePath = [filePath stringByAppendingPathComponent:[response suggestedFilename]]; } // 获取文件绝对路径 weakSelf.file = filePath; NSURL *documentsDirectoryURL = [NSURL fileURLWithPath:filePath]; return documentsDirectoryURL; } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) { if (weakSelf.delegate) { // 结束后移除掉这个progress [progress removeObserver:self forKeyPath:@"fractionCompleted" context:nil]; if (error == nil) { // 成功 if ([weakSelf.delegate respondsToSelector:@selector(downloadTaskSucess:)]) { [weakSelf.delegate downloadTaskSucess:weakSelf]; } } else { // 出错 if ([weakSelf.delegate respondsToSelector:@selector(downloadTask:failedWithError:)]) { [weakSelf.delegate downloadTask:weakSelf failedWithError:error]; } } } }]; // 开始下载 [self.downloadTask resume]; if (self.delegate) { // 给这个progress添加监听任务 [progress addObserver:self forKeyPath:@"fractionCompleted" options:NSKeyValueObservingOptionNew context:nil]; }}- (void)stopDownload { [self.downloadTask cancel];}/** * 获取路径 * * @param string 相对路径 * * @return 绝对路径 */- (NSString *)pathWithSting:(NSString *)string { return [NSHomeDirectory() stringByAppendingPathComponent:string];}- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ([keyPath isEqualToString:@"fractionCompleted"] && [object isKindOfClass:[NSProgress class]]) { NSProgress *progress = (NSProgress *)object; [_delegate downloadTask:self withProgress:progress.fractionCompleted]; }}+ (instancetype)downloadTaskWithUrlString:(NSString *)urlString fileDirectory:(NSString *)filePath fileName:(NSString *)fileName delegate:(id)delegate { DownloadTask *downloadTask = [[[self class] alloc] init]; downloadTask.urlString = urlString; downloadTask.filePath = filePath; downloadTask.fileName = fileName; downloadTask.delegate = delegate; return downloadTask;}@end 使用 
转载地址：http://mltpx.baihongyu.com/
你可能感兴趣的文章
chpter11~函数和函数式编程
查看>>
Hadoop之HDFS的常用命令
查看>>
分布式系统架构解决方案之Dubbo(三)--Dubbo管理端 和 Dubbo综合案例
查看>>
The function getUserId must be used with...解决办法
查看>>
懂得保持平衡的程序员
查看>>
Class yii\base\View
查看>>
我的友情链接
查看>>
我的友情链接
查看>>
使用Unirest发送Json的格式数据
查看>>
亚洲诚信&华为云 | 双11钜惠提前来袭，错过等一年！
查看>>
目前所学的关键字整理
查看>>
我的友情链接
查看>>
Eclipse常用配置
查看>>
VMware/vSphere克隆主机网卡启动失败
查看>>
我的友情链接
查看>>
linux修改IP和DNS
查看>>
我的友情链接
查看>>
WordPress新增Page的模版文件
查看>>
sql 子查询和连接查询
查看>>
WP移动设备压缩与解压控件Xceed Zip for .NET Compact Framework控件下载及详细介绍使用方法...
查看>>