C语言 在Objective-C中从类名的NSString创建对象
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Create object from NSString of class name in Objective-C
提问by Sveinn Fannar
I was wondering if i could create a object of some class if i have the name of the class in a NSString. I know this is possible in other languages like ActionScript, C# and PHP...
我想知道如果我在 NSString 中有类的名称，我是否可以创建某个类的对象。我知道这在 ActionScript、C# 和 PHP 等其他语言中是可能的...
Something like this:
像这样的东西：
NSString *className = @"AwesomeViewController";
UIViewController *object = [[className alloc] initWithNibName:className bundle:nil];
回答by kennytm
Classes are first-class objects in Objective-C too. You can get the class object from an NSString with the NSClassFromString function.
类也是 Objective-C 中的一流对象。您可以使用NSClassFromString 函数从 NSString 获取类对象。
[[NSClassFromString(className) alloc] init...]
