AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  [manager POST:urlString parameters:params constructingBodyWithBlock:^(id_Nonnull formData) {//使用日期生成圖片名稱NSDateFormatter *formatter = [[NSDateFormatter alloc] init];formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";NSString *fileName = [NSString stringWithFormat:@"%@.png",[formatter stringFromDate:[NSDate date]]];[formData appendPartWithFileData:imageData name:@"uploadFile" fileName:fileName mimeType:@"image/png"];} success:^(AFHTTPRequestOperation * _Nonnull operation, id _Nonnull responseObject) {//上傳圖片成功執行回調completion(responseObject,nil);} failure:^(AFHTTPRequestOperation * _Nonnull operation, NSError * _Nonnull error) {//上傳圖片失敗執行回調completion(nil,error);}];

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  [manager POST:urlString parameters:params constructingBodyWithBlock:^(id_Nonnull formData) {NSInteger imgCount = 0;for (NSData *imageData in imageDatas) {NSDateFormatter *formatter = [[NSDateFormatter alloc] init];formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss:SSS";NSString *fileName = [NSString stringWithFormat:@"%@%@.png",[formatter stringFromDate:[NSDate date]],@(imgCount)];[formData appendPartWithFileData:imageData name:[NSString stringWithFormat:@"uploadFile%@",@(imgCount)] fileName:fileName mimeType:@"image/png"];imgCount++;}} success:^(AFHTTPRequestOperation * _Nonnull operation, id _Nonnull responseObject) {completion(responseObject,nil);} failure:^(AFHTTPRequestOperation * _Nonnull operation, NSError * _Nonnull error) {completion(nil,error);}];