webView = (WebView) findViewById(R.id.webview);
        WebSettings wSet = webView.getSettings();
        //从ListView中获得URL
        String url = getIntent().getStringExtra("content_url");
        //加载URL
        webView.loadUrl(url);
        //开启JavaScript的功能
        wSet.setJavaScriptEnabled(true);
        //开启缓存，无网络时加载本地内容
        wSet.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
        //关闭打开第三方浏览器
        webView.setWebViewClient(new WebViewClient(){
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
                view.loadUrl(request.getUrl().toString());
                return true;
            }
        });