AFN上传

//不推荐 -(void)upload { //1.创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; //2.1url NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/upload"]; //2.2创建请求对象 NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; //2.3 设置请求方法 request.HTTPMethod = @"POST"; //2.4 设请求头信息 [request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",Kboundary] forHTTPHeaderField:@"Content-Type"]; //3.发送请求上传文件 NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromData:[self getBodyData] progress:^(NSProgress * _Nonnull uploadProgress) { NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/ uploadProgress.totalUnitCount); } completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) { NSLog(@"%@",responseObject); }]; //4.执行task [uploadTask resume]; } -(void)upload2 { //1.创建会话管理者 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; // NSDictionary *dictM = @{} //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:constructingBodyWithBlock 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 _Nonnull formData) { UIImage *image = [UIImage imageNamed:@"Snip20160227_128"]; 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"]; //[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xiaomage/Desktop/Snip20160227_128.png"] name:@"file" fileName:@"123.png" mimeType:@"image/png" error:nil]; [formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/xiaomage/Desktop/Snip20160227_128.png"] 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]; //5.1 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]; //5.2 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]; //5.3 结尾标识 /* --分隔符-- */ [fileData appendData:[[NSString stringWithFormat:@"--%@--",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]]; return fileData; }