WebView webView = (WebView) findViewById(R.id.webwiew_info);Pattern p = Pattern.compile("
    
     ]+src\\s*=\\s*['\"]([^'\"]+)['\"][^>]*>");Matcher m = p.matcher(data);while(m.find()){String img = "
     ";            data = data.replaceAll(m.group(), img);            Log.w("img = ",m.group() + "-------------↓↓↓↓↓↓");        }private void initWebView(String data) {        mHandler = new Handler();        webViewSetting();        webView.loadDataWithBaseURL("", data, "text/html", "UTF-8", "");        webView.setWebViewClient(new WebViewClient() {            @Override            public boolean shouldOverrideUrlLoading(WebView view, String url) {                // 返回值是true的时候控制去WebView打开，为false调用系统浏览器或第三方浏览器                view.loadUrl(url);                return true;            }        });    }    private void webViewSetting() {        WebSettings webSettings = webView.getSettings();        webSettings.setJavaScriptEnabled(true);        //自适应屏幕        webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);        webSettings.setUseWideViewPort(true);// 设置此属性，可任意比例缩放        webSettings.setSupportZoom(true);// 支持缩放        webSettings.setLoadWithOverviewMode(true);        webSettings.setBuiltInZoomControls(true);        webSettings.setDefaultFontSize(18);//        DocumentsContract.Document doc_Dis = Jsoup.parse(htmlContent);//        Elements ele_Img = doc_Dis.getElementsByTag("img");//        if (ele_Img.size() != 0){//            for (Element e_Img : ele_Img) {//                e_Img.attr("style", "width:100%");//            }//        }//        String newHtmlContent=doc_Dis.toString();//        webView.loadDataWithBaseURL("", newHtmlContent, "text/html", "UTF-8", "");    }    // 改写物理按键——返回的逻辑    @Override    public boolean onKeyDown(int keyCode, KeyEvent event) {        if (keyCode == KeyEvent.KEYCODE_BACK) {            if (webView.canGoBack()) {                webView.goBack();// 返回上一页面                Log.e("onKeyDown", "onKeyDown111111");                return true;            } else {                Log.e("onKeyDown", "onKeyDown000000");                // System.exit(0);// 退出程序                GraphicInfoActivity.this.finish();                GraphicInfoActivity.this.onDestroy();            }        }        return super.onKeyDown(keyCode, event);    }