文件上传

#pragma mark - uploadFile
- (void)uploadFileToServerUrl:(NSString *)urlString fromlocalPath:(NSString *)filepath HTTPHeaderField:(NSDictionary *)dict success:(void(^)(NSURLResponse *response, NSData *data))success failure:(void(^)(NSError *error))failure{
  
    NSInputStream *inputFile = [NSInputStream inputStreamWithFileAtPath:filepath];
    [self uploadFileToServerUrl:urlString inputStream:inputFile HTTPHeaderField:dict success:success failure:failure];

}

- (void)uploadFileToServerUrl:(NSString *)urlString fileData:(NSData *)fileData HTTPHeaderField:(NSDictionary *)dict success:(void(^)(NSURLResponse *response, NSData *data))success failure:(void(^)(NSError *error))failure {
    
    NSInputStream *inputFile = [NSInputStream inputStreamWithData:fileData];
    [self uploadFileToServerUrl:urlString inputStream:inputFile HTTPHeaderField:dict success:success failure:failure];
    
}

- (void)uploadFileToServerUrl:(NSString *)urlString inputStream:(NSInputStream *)inputStream HTTPHeaderField:(NSDictionary *)dict success:(void(^)(NSURLResponse *response, NSData *data))success failure:(void(^)(NSError *error))failure {
    NSURL *url = [NSURL URLWithString:urlString];
    
    NSMutableURLRequest *mutableRequest = [NSMutableURLRequest new];
    mutableRequest = [NSMutableURLRequest requestWithURL:url];
    [mutableRequest setHTTPMethod:@"POST"];
    [mutableRequest setHTTPBodyStream:inputStream];
    
    for (NSString *key in dict) {
        [mutableRequest setValue:dict[key] forHTTPHeaderField:key];
    }
    
    NSURLRequest *request = mutableRequest.copy;
    
    NSOperationQueue *queue=[NSOperationQueue mainQueue];
    [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
        if (connectionError) {
            failure(connectionError);
            return ;
        }
        else {
            success(response, data);
        }
        
    }];
}

调用：

NSData *imgData = UIImageJPEGRepresentation(image, 1.0);
    NSString *lengthStr = [NSString stringWithFormat:@"%lu",(unsigned long)imgData.length];
    
    NSDictionary *httpHeaderField = @{@"Content-Type" : @"image/jpeg", @"Content-Length" : lengthStr};
    
    [self uploadFileToServerUrl:serverURL fileData:imgData HTTPHeaderField:httpHeaderField success:^(NSURLResponse *response, NSData *data) {
        
        NSDictionary *dict = [data JSONValue];
        
        if (![dict[@"returnCode"] isEqualToString:@"000000"] || dict == nil) {
            LYYLog(@"上传失败");
            dispatch_async(dispatch_get_main_queue(), ^{
                [SVProgressHUD showErrorWithStatus:@"上传失败"];
            });
            return ;
        }
        
        NSMutableString *str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding].mutableCopy;
        LYYLog(@"livenessDetectorFinished%@", str);
        [SVProgressHUD showSuccessWithStatus:@"上传成功"];
        
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            NSString *js = [NSString stringWithFormat:@"livenessDetectorFinished('%@')",str];
            
            [self evaluateJSWithString:js];
        });
 
    } failure:^(NSError *error) {
        
        LYYLog (@"%s,error:%@", __FUNCTION__, error.localizedDescription);
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [SVProgressHUD showErrorWithStatus:@"上传失败"];
        });
    }];