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通常，当您在网络浏览器上单击“使用 Facebook 注册”按钮时，会弹出一个新选项卡。但是，当您尝试在 a 上做同样的事情时，WebView它不会做任何事情，它会停留在同一个网站上。我怎样才能强制WebView显示对话框？

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2 回答 2

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这可能是您正在寻找的。将它放在你的 AppDelegate.m 中，然后所有外部链接将在默认浏览器中打开：

// Habilita links externos abrirem no navegador padrão
- (WebView *)webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request
{
    // HACK: This is all a hack to get around a bug/misfeature in Tiger's WebKit
    // (should be fixed in Leopard). On Javascript window.open, Tiger sends a null
    // request here, then sends a loadRequest: to the new WebView, which will
    // include a decidePolicyForNavigation (which is where we'll open our
    // external window). In Leopard, we should be getting the request here from
    // the start, and we should just be able to create a new window.

    WebView *newWebView = [[WebView alloc] init];
    //[newWebView setUIDelegate:self];
    [newWebView setPolicyDelegate:self];

    return newWebView;
}

- (void)webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
    if( [sender isEqual:myWebView] ) {
        [listener use];
    }
    else {
        [[NSWorkspace sharedWorkspace] openURL:[actionInformation objectForKey:WebActionOriginalURLKey]];
        [listener ignore];
        //[sender release];
    }
}

- (void)webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request newFrameName:(NSString *)frameName decisionListener:(id<WebPolicyDecisionListener>)listener {
    [[NSWorkspace sharedWorkspace] openURL:[actionInformation objectForKey:WebActionOriginalURLKey]];
    [listener ignore];
}
// -

（sim，eu sou br！）

于 2014-01-19T06:25:45.500 回答
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-webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:在您的委托中实施。如果您还没有实现，您可能还需要实现至少一些 WebUIDelegate 协议方法。

参考：WebPolicyDelegate 协议参考，WebUIDelegate 协议参考

于 2012-10-21T16:36:54.067 回答