FilesStreamUpload.h 文件内:

#import <Foundation/Foundation.h>

@interface FilesStreamUpload : NSObject

+ (FilesStreamUpload *)shareManager;
/**
 文件流上传图片
 @param infoDic 请求参数体
 @param files   图片数据
 @param url     接口
 @param success_block 上传成功回调
 @param fail_block    上传失败回调
 */
- (void)filesStreamUploadImages:(NSMutableDictionary *)infoDic imageFiles:(NSArray *)files url:(NSString *)url successBlock:(void(^)(NSDictionary *responseDic))success_block failBlock:(void (^)(id obj))fail_block;

@end

FilesStreamUpload.m 文件内:

#import "FilesStreamUpload.h"

static FilesStreamUpload * filesStreamManager = nil;
@implementation FilesStreamUpload

+ (FilesStreamUpload *)shareManager {
    if (!filesStreamManager) {
        static dispatch_once_t onceToken;
        dispatch_once(&onceToken, ^{
            filesStreamManager = [[FilesStreamUpload alloc] init];
        });
    }
    return filesStreamManager;
}

- (void)filesStreamUploadImages:(NSMutableDictionary *)infoDic imageFiles:(NSArray *)files url:(NSString *)url successBlock:(void(^)(NSDictionary *responseDic))success_block failBlock:(void (^)(id obj))fail_block {
    
    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    manager.responseSerializer = [AFHTTPResponseSerializer new];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/html",@"text/json",@"text/javascript",@"text/plain", nil];
    
    NSString *strURL  = [NSString stringWithFormat:@"%@%@",BASE_URL,url];
    NSString *postURL = [strURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    [manager POST:postURL parameters:infoDic constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {
        for (UIImage *image in files) {
            NSData *imageData = UIImageJPEGRepresentation(image, 0.3);
            [formData appendPartWithFileData:imageData name:@"files" fileName:@"files" mimeType:@"image/jpeg"];
        }
    } success:^(AFHTTPRequestOperation * _Nonnull operation, id  _Nonnull responseObject) {
        NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableLeaves error:nil];
        
        if (success_block) {
            success_block(dic);
        }
    } failure:^(AFHTTPRequestOperation * _Nonnull operation, NSError * _Nonnull error) {
        NSLog(@"%@",error.localizedDescription);
        if (fail_block) {
            fail_block(error.localizedDescription);
        }
    }];
}

@end