我想在Swift中为密码实现正则表达式验证?我试过以下正则表达式,但没有成功
([(0-9)(A-Z)(!@#$%ˆ&*+-=<>)]+)([a-z]*){6,15}
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我的要求如下:密码必须超过6个字符,至少有一个大写字母,数字或特殊字符
我正在构建一个浏览器应用程序.我希望iOS将其检测为浏览器.我尝试添加http到URL Schemes但是徒劳无功.
我试过这个答案.
有没有办法将视频保存在缓存中,然后在需要时将其恢复?
NSCache *memoryCache; //assume there is a memoryCache for images or videos
NSString *urlString = @"http://blog.jimdo.com/wp-content/uploads/2014/01/tree-247122.jpg";
NSString *path = [[NSBundle mainBundle] pathForResource:[NSString stringWithFormat:@"A"] ofType:@"mov"];
NSURL *url = [NSURL fileURLWithPath:path];
NSData *downloadedData = [NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^
{
if (downloadedData)
{
// STORE IN FILESYSTEM
NSString* path = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
NSString *file = [path stringByAppendingPathComponent:@"B.mov"];
[downloadedData writeToFile:file options:NSDataWritingAtomic error:nil];
NSLog(@"Cache File : %@", file);
// STORE IN MEMORY
[memoryCache setObject:downloadedData forKey:@"B.mov"];
}
// NOW YOU CAN CREATE …Run Code Online (Sandbox Code Playgroud) 是否可以使用SLRequest共享视频?
我可以使用相同的方式共享图像
SLRequest *postRequest = [SLRequest requestForServiceType:SLServiceTypeTwitter requestMethod:SLRequestMethodPOST URL:requestURL parameters:message];
if (isImage)
{
NSData *data = UIImagePNGRepresentation(imgSelected);
[postRequest addMultipartData:data withName:@"media" type:@"image/png" filename:@"TestImage.png"];
}
postRequest.account = account;
[postRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error)
{
if (!error)
{
NSLog(@"Upload Sucess !");
}
}];
Run Code Online (Sandbox Code Playgroud) 我正在尝试在我的项目中集成应用内购买。我使用了第三方库SwiftyStoreKit作为 IAP 助手。
我正在尝试获取我的应用内产品的信息,但总是得到响应 Invalid Product Identifiers
我所有的协议都有效(付费和免费)。此外,我的应用内产品状态显示Waiting for Upload。我的应用程序尚未发布,因此我正在沙盒模式下对其进行测试。
在我的代码中遵循:
import UIKit
import StoreKit
import SwiftyStoreKit
override func viewDidLoad() {
super.viewDidLoad()
}
override func viewDidAppear(_ _animated: Bool) {
super.viewDidAppear(_animated)
if dataModel.lists.count >= 2 {
getInfo()
}
}
func getInfo() {
NetworkActivityIndicatorManager.NetworkOperationStarted()
SwiftyStoreKit.retrieveProductsInfo([productIdentifier], completion: { result in
NetworkActivityIndicatorManager.networkOperationFinished()
self.showAlert(alert: self.alertForProductRetrievalInfo(result: result))
})
}
Run Code Online (Sandbox Code Playgroud) 我想在 iOS Swift 中使用DES-ECB-PKCS5Padding执行加密/解密。
我有一些来自服务器端的代码(很可能在 ActionScript 中)可以提供帮助,如下所示:
private static const type:String='simple-des-ecb';
public static function encrypt(txt:String, salt:String): String
{
var key:ByteArray = Hex.toArray(Hex.fromString(salt));
var data:ByteArray = Hex.toArray(Hex.fromString(txt));
var pad:IPad = new PKCS5;
var mode:ICipher = Crypto.getCipher(type, key, pad);
pad.setBlockSize(mode.getBlockSize());
mode.encrypt(data);
data.position = 0;
return Base64.encodeByteArray(data);
}
public static function decrypt(txt:String, salt:String): String
{
var key:ByteArray = Hex.toArray(Hex.fromString(salt));
var data:ByteArray = Base64.decodeToByteArray(txt);
var pad:IPad = new PKCS5;
var mode:ICipher = Crypto.getCipher(type, key, pad);
pad.setBlockSize(mode.getBlockSize());
try
{
mode.decrypt(data);
} …Run Code Online (Sandbox Code Playgroud) 以下是否正确?
var z1=^[0-9]*\d$;
{
if(!z1.test(enrol))
{
alert('Please provide a valid Enrollment Number');
return false;
}
}
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它目前没有在我的系统上工作.
当我开始在SearchBar中键入搜索文本时,我收到以下错误
Assertion failure in -[UISearchResultsTableView _configureCellForDisplay:forIndexPath:]
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我的cellForRowAtIndexPath代码Search Display Controller如下:
if(tableView == self.searchDisplayController.searchResultsTableView)
{
static NSString *CellIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if(cell == nil)
{
cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
}
cell.textLabel.text = [search objectAtIndex:indexPath.row];
return cell;
}
Run Code Online (Sandbox Code Playgroud) ios ×7
swift ×3
objective-c ×2
xcode ×2
browser ×1
caching ×1
cryptography ×1
encryption ×1
javascript ×1
regex ×1
storekit ×1
swift4 ×1
twitter ×1
uisearchbar ×1
validation ×1
video ×1