WKWebView 禁止跳转链接

//设置代理
self.wkWebView.navigationDelegate = self;

#pragma mark - wkWebViewDelegate
//禁止链接跳转
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {

NSLog(@"navigationAction = %@, request = %@",navigationAction,navigationAction.request.URL);

if ([navigationAction.request.URL.scheme containsString:@"http"]) {
decisionHandler(WKNavigationActionPolicyCancel);
} else {
decisionHandler(WKNavigationActionPolicyAllow);
}
}