iOSBodyForm、multipart/form-data视频上传

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+ (void)multiPartMoviePost:(NSDictionary *)dicData andImageNames:(NSArray *)images URL:(NSString *)modelurl success:(void (^)(id _Nonnull))success failure:(void (^)(NSError * _Nonnull))failure {
    NSURL *url = [NSURL URLWithString:modelurl];
    NSMutableData * bodyData = [NSMutableData data];
    for(NSString *key in dicData.allKeys) {
        id value = [dicData objectForKey:key];
        [bodyData appendData:[[NSString stringWithFormat:@"--%@\r\n",@"POST_BOUNDS"] dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key] dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[[NSString stringWithFormat:@"%@\r\n",value] dataUsingEncoding:NSUTF8StringEncoding]];
    }
    for (NSInteger i = 0; i < images.count; i++) {
        
        NSString * contentType;
        NSData * videoData;
        
        videoData = [NSData dataWithContentsOfFile:images[i]];
        contentType = @"video/mp4";
        
        [bodyData appendData:[[NSString stringWithFormat:@"--%@\r\n",@"POST_BOUNDS"] dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"fileArray\"; filename=\"fileArray%ldvideos.mp4\"\r\n",(long)i] dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[[NSString stringWithFormat:@"Content-Type: %@\r\n",contentType] dataUsingEncoding:NSUTF8StringEncoding]];
        
        [bodyData appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:videoData];
        [bodyData appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
        
    }
    // 添加尾部分隔线
    [bodyData appendData:[[NSString stringWithFormat:@"--%@--\r\n",@"POST_BOUNDS"] dataUsingEncoding:NSUTF8StringEncoding]];
    NSMutableURLRequest *request  = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30];
    [request addValue:[NSString stringWithFormat:@"multipart/form-data;boundary=%@",@"POST_BOUNDS"] forHTTPHeaderField:@"Content-Type"];
    [request addValue: [NSString stringWithFormat:@"%zd",bodyData.length] forHTTPHeaderField:@"Content-Length"];
    [request setHTTPMethod:@"POST"];
    [request setHTTPBody:bodyData];
    if ([[MLandModel shareInstance] getUserInfo_MLandModel].token != nil) {
        [request setValue:[[MLandModel shareInstance] getUserInfo_MLandModel].token forHTTPHeaderField:@"token"];
    }
    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    [[manager dataTaskWithRequest:request uploadProgress:^(NSProgress * _Nonnull uploadProgress) {
    } downloadProgress:^(NSProgress * _Nonnull downloadProgress) {
    } completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) {
        NSLogUTF8(@"%@",responseObject);
        success(responseObject);
    }] resume];
}