i 有搜索条码和从互联网上搜索某些信息,然后从圆顶开始使用NSXMLParser,然后以可读的口号显示信息,但在这个过程中,该情报组被阻断,如果想取消搜索,再做一次搜查,就可以,而且我不得不等待信人完成,那么,我的问题是,如果是正确的解决办法,如何在另一条线上进行,如果有必要,则会拒绝寻找另一条查询?
现在我这样做是为了:
[self performSelector:@selector(request:) withObject:searchText afterDelay:0.7];
然后,申请方法从另一个类别开始,与NSXMLParser进行搜查。
为了避免阻挠统一私法,你将使用
[self performSelectorInBackground:@selector(request:) withObject:text];
我有幸与国家安全局开展了许多工作,但从数字中看,你会为这一行动打下一个完成部分,你们可以称之为这样的行动。
[自称“MainThread:@selector(populateMyTable) withObject:nil等 直至Done:NO;
此外,国家安保行动有一个实例方法cancel,似乎可以提供你重新寻找的方法。
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