更新时间:2023-12-05 16:40:58
很难确定问题出在哪里,所以猜测一下...
Hard to be sure what the issue is here, so a guess...
您要以哪种方式在IB中拖动连接?
Which way are you dragging the connection in IB?
要连接您的出口,您要将其从Inspector中显示的出口拖动到Web视图:
To connect your outlet you want to drag from the outlet shown in the Inspector to the web view:
如果以其他方式拖动,则尝试从Web视图到大纲中的应用程序委托".
If you drag in the other way, from the web view to the App Delegate in the outline you are trying to connect an action.
您的代码中还有一个问题,您的实例变量:
You also have an issue in your code, your instance variable:
@interface AppDelegate : NSObject <NSApplicationDelegate>
{
WebView *myWebView;
//other instance variables
}
您的媒体资源将不会使用它:
will not be used by your property:
@property (retain, nonatomic) IBOutlet WebView *myWebView;
,因为您的属性是自动合成的,因此将创建一个实例变量_myWebView
.您应该会看到一个编译器警告这种情况.
as your property is automatically synthesised and so will create an instance variable _myWebView
. You should see a compiler warning to this effect.
这反过来意味着声明:
[[myWebView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:urlText]]];
不会满足您的期望,因为myWebView
将是nil
,而不是引用您的WebView
.您应该将该属性称为self.myWebView
:
will not do what you expect, as myWebView
will be nil
and not refer to your WebView
. You should refer to the property as self.myWebView
:
[[self.myWebView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:urlText]]];
进行这些更改后,您应该会在网络视图中看到Google.
With those changes you should see Google in your web view.
HTH