这是我根据小码哥iOS的教学视频做的笔记
// // ViewController.m // AFN // // Created by 谢暘 on 2018/5/11. // Copyright © 2018年 谢暘. All rights reserved. // #import "ViewController.h" #import "AFNetworking.h" #define Kboundary @"----WebKitFormBoundaryjv0UfA04ED44AhWx" #define KNewLine [@"\r\n" dataUsingEncoding:NSUTF8StringEncoding] @interface ViewController () <NSXMLParserDelegate> @end @implementation ViewController -(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self https]; } - (void)get { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送get请求 NSDictionary *paramDict = @{ @"username":@"520it", @"pwd":@"520it", @"type":@"JSON" }; /* 第一个参数:请求路径(不包含参数) 第二个参数:参数字典(发送给服务器的数据) 第三个参数:进度回调 第四个参数:成功回调 task:请求任务 responseObject:响应体信息(已将JSON转为OC对象) 第五个参数:失败回调 error:错误信息 */ //响应头:task.response [manager GET:@"http://120.25.226.186:32812/login" parameters:paramDict progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"%@----%@", [responseObject class], responseObject); } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"请求失败----%@", error); }]; } - (void)post { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送post请求 NSDictionary *paramDict = @{ @"username":@"520it", @"pwd":@"520it", @"type":@"JSON" }; [manager POST:@"http://120.25.226.186:32812/login" parameters:paramDict progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"%@----%@", [responseObject class], responseObject); } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"请求失败----%@", error); }]; } - (void)download { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 下载文件 NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/resources/videos/minion_01.mp4"]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; /* 第一个参数:请求对象 第二个参数:进度回调 第三个参数:目标位置回调 targetPath:临时文件路径 response:响应头信息 第四个参数:下载完成后的回调 filePath:最终的文件路径 */ NSURLSessionDownloadTask *download = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) { //监听下载进度 NSLog(@"%f", 1.0 * downloadProgress.completedUnitCount / downloadProgress.totalUnitCount); } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) { NSString *fullPath = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:response.suggestedFilename]; NSLog(@"targetPath:%@", targetPath); NSLog(@"fullPath:%@", fullPath); return [NSURL fileURLWithPath:fullPath]; } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) { NSLog(@"%@", filePath); }]; [download resume]; } - (void)upload { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送post请求上传文件 /* 第一个参数:请求路径 第二个参数:字典(非文件参数) 第三个参数:处理要上传的文件数据 第四个参数:进度回调 第五个参数:成功回调 responseObject:响应体信息 第六个参数:失败回调 */ [manager POST:@"http://120.25.226.186:32812/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) { //第一种方式: //UIImage *image = [UIImage imageNamed:@"timg"]; //NSData *imageData = UIImagePNGRepresentation(image); //使用formData来拼接数据 /* 第一个参数:二进制数据,要上传的文件参数 第二个参数:服务器规定的 第三个参数:该文件上传到服务器以什么名称保存 */ //[formData appendPartWithFileData:imageData name:@"file" fileName:@"xxxx.png" mimeType:@"image/png"]; //第二种方式 //[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xieyang/Code/AFN/AFN/timg.jpeg"] name:@"file" fileName:@"xxxx.png" mimeType:@"image/png" error:nil]; //第三种方式 [formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xieyang/Code/AFN/AFN/timg.jpeg"] name:@"file" error:nil]; } progress:^(NSProgress * _Nonnull uploadProgress) { NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/uploadProgress.totalUnitCount); } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"上传成功----%@",responseObject); } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"上传失败----%@",error); }]; } -(NSData *)getBodyData { NSMutableData *fileData = [NSMutableData data]; //1 文件参数 /* --分隔符 Content-Disposition: form-data; name="file"; filename="Snip20160225_341.png" Content-Type: image/png(MIMEType:大类型/小类型) 空行 文件参数 */ [fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; //name:file 服务器规定的参数 //filename:Snip20160225_341.png 文件保存到服务器上面的名称 //Content-Type:文件的类型 [fileData appendData:[@"Content-Disposition: form-data; name=\"file\"; filename=\"Sss.png\"" dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; [fileData appendData:[@"Content-Type: image/png" dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; [fileData appendData:KNewLine]; UIImage *image = [UIImage imageNamed:@"Snip20160227_128"]; //UIImage --->NSData NSData *imageData = UIImagePNGRepresentation(image); [fileData appendData:imageData]; [fileData appendData:KNewLine]; //2 非文件参数 /* --分隔符 Content-Disposition: form-data; name="username" 空行 123456 */ [fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; [fileData appendData:[@"Content-Disposition: form-data; name=\"username\"" dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; [fileData appendData:KNewLine]; [fileData appendData:[@"123456" dataUsingEncoding:NSUTF8StringEncoding]]; [fileData appendData:KNewLine]; //3 结尾标识 /* --分隔符-- */ [fileData appendData:[[NSString stringWithFormat:@"--%@--",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]]; return fileData; } - (void)XML { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送get请求 //注意:如果返回的是xml数据,应该修改AFN的解析方案 manager.responseSerializer = [AFXMLParserResponseSerializer serializer]; NSDictionary *paramDict = @{ @"type":@"XML" }; [manager GET:@"http://120.25.226.186:32812/video" parameters:paramDict progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSXMLParser *parser = (NSXMLParser *)responseObject; //设置代理,需遵守协议<NSXMLParserDelegate> parser.delegate = self; //开始解析 [parser parse]; } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"请求失败----%@", error); }]; } - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict { NSLog(@"%@----%@", elementName, attributeDict); } - (void)httpData1 { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送get请求 //注意:如果返回的数据既不是XML也不是JSON,应该修改解析方案为 manager.responseSerializer = [AFHTTPResponseSerializer serializer]; [manager GET:@"http://120.25.226.186:32812/resources/images/minion_01.png" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"%@", responseObject); //UIImage *image = [UIImage imageWithData:responseObject]; } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"请求失败----%@", error); }]; } - (void)httpData2 { //1 创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2 发送get请求 //注意:如果返回的数据既不是XML也不是JSON,应该修改解析方案为 //告诉AFN可以接收text/html类型的数据 manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"]; manager.responseSerializer = [AFHTTPResponseSerializer serializer]; [manager GET:@"http://www.baidu.com" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"%@----%@", [responseObject class], [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding]); //UIImage *image = [UIImage imageWithData:responseObject]; } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"请求失败----%@", error); }]; } - (void)https { AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //更改解析方式 manager.responseSerializer = [AFHTTPResponseSerializer serializer]; //设置对证书的处理方式(允许无效证书) //manager.securityPolicy.allowInvalidCertificates = YES; //manager.securityPolic.validatesDomainName = NO; [manager GET:@"https://kyfw.12306.cn/otn" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSLog(@"sussess----%@", [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding]); } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"error----%@", error); }]; } @end