android 打开浏览器 WebView

showWV = (WebView) findViewById(R.id.showWV);
  showWV.getSettings().setJavaScriptEnabled(true);
  showWV.requestFocus();
  showWV.setWebViewClient(new WebViewClient(){

   @Override
   public boolean shouldOverrideUrlLoading(WebView view, String url) {
    view.loadUrl(url);
    return true;
   }
   
  });
  showWV.loadUrl("http://www.dilong.org/m/login.aspx");