ios WKWebView链接跳转方式的设置

1、使用WKWebView的时候，点击链接不让其跳转到系统自带的Safar浏览器的设置方法：

 - (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {

    if (navigationAction.navigationType == WKNavigationTypeLinkActivated) {//跳转别的应用如系统浏览器
        // 对于跨域，需要手动跳转
        [[UIApplication sharedApplication] openURL:navigationAction.request.URL];
        // 不允许web内跳转
        decisionHandler(WKNavigationActionPolicyCancel);
    } else {//应用的web内跳转
        decisionHandler (WKNavigationActionPolicyAllow);
    }
    return ;//不添加会崩溃

}

2、使用WKWebView的时候，点击链接让其跳转到系统自带的Safar浏览器的设置方法：

- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
  WKNavigationActionPolicy actionPolicy = WKNavigationActionPolicyAllow;

    NSString * urlStr = navigationAction.request.URL.absoluteString;
   BOOL  linkBool  =  [JCCommonTool isLinkAddressLinkValueTo:urlStr];//自己封装的验证是否是链接的方法
    if (linkBool == YES) {     
  actionPolicy = WKNavigationActionPolicyCancel;
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlStr]];
    }
    decisionHandler(actionPolicy);
}

3、是否是链接的判断方法

- （void)isLinkUrl:(NSString * )linkStr{
 NSString*emailRegex = @"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\-.]+(?::(\\d+))?(?:(?:/[a-zA-Z0-9\\-._?,'+\\&%$=~*!():@\\\\]*)+)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)";
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES  %@",emailRegex];
    return [predicate evaluateWithObject:linkStr];
}

ios WKWebView链接跳转方式的设置

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