iOS 解决WKWebView无法跳转微信支付

- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
    NSString *url = [[navigationAction request].URL.absoluteString stringByRemovingPercentEncoding];
    NSString* scheme = [navigationAction request].URL.scheme;
    if(![url containsString:@"https"] && ![url containsString:@"http"]){
        if ([[UIDevice currentDevice].systemVersion floatValue] <= 10.0) {
            [[UIApplication sharedApplication] openURL:[navigationAction request].URL];
        }else {
            [[UIApplication sharedApplication] openURL:[navigationAction request].URL options:@{} completionHandler:^(BOOL success) {}];
        }
        //不允许跳转
        decisionHandler(WKNavigationActionPolicyCancel);
        return ;
    }
    if ([scheme isEqualToString:self.jsScheme]) {
        self.onJsCallback(url.UTF8String);
        decisionHandler(WKNavigationActionPolicyCancel);
        return;
    }
    if (self.shouldStartLoading && url) {
        if (self.shouldStartLoading(url.UTF8String) )
            decisionHandler(WKNavigationActionPolicyAllow);
        else
            decisionHandler(WKNavigationActionPolicyCancel);
        return;
    }
    
    decisionHandler(WKNavigationActionPolicyAllow);
}