Java 在Webview-Android中打开本地Html文件

Java 在Webview-Android中打开本地Html文件,java,android,Java,Android,我在根文件夹中保存了一个文件,正在尝试在webview中打开它 这是我的保存代码: OutputStream outstream = null; outstream = openFileOutput(fileName ,MODE_WORLD_READABLE); /// if file the available for writing if (outstream != null) { /// prepare the file for writi

我在根文件夹中保存了一个文件,正在尝试在webview中打开它

这是我的保存代码:

    OutputStream outstream = null;
    outstream = openFileOutput(fileName ,MODE_WORLD_READABLE);

    /// if file the available for writing
    if (outstream != null) {
        /// prepare the file for writing
        OutputStreamWriter outputreader = new OutputStreamWriter(outstream);
        BufferedWriter buffwriter = new BufferedWriter(outputreader);

        /// write the result into the file
        buffwriter.write(result);
    }

    /// close the file
    outstream.close();

} catch (java.io.FileNotFoundException e) {
    System.out.println("File not found in the writing...");
} catch (IOException e) {
    System.out.println("In the writing...");
}
这是我调用文件的代码:

                    fileView.getSettings().setJavaScriptEnabled(true);
            fileView.loadUrl("file:///" + name); <---
fileView.getSettings().setJavaScriptEnabled(true);

加载URL(“文件://”+名称) 假设未命中异常,则路径是错误的

file:///告诉浏览器查找/name

openFileOutput(fileName)告诉应用程序写入()+文件.separator+文件名

WebView mWebView=(WebView)findViewById(R.id.mWebView);

            mWebView.loadUrl("file:///book.html");
            mWebView.getSettings().setJavaScriptEnabled(true);
            mWebView.getSettings().setSaveFormData(true);
            mWebView.getSettings().setBuiltInZoomControls(true);
            mWebView.setWebViewClient(new MyWebViewClient());

private class MyWebViewClient extends WebViewClient 
{ 
    @Override 
    //show the web page in webview but not in web browser
    public boolean shouldOverrideUrlLoading(WebView view, String url) { 
        view.loadUrl (url); 
        return true;
    }
}

当您使用
file:///...

然后,这意味着您应该将文件保存在assets目录下(比如test.html)。 现在假设您必须访问test.html文件,您需要这样编写

loadURL("file:///android_asset/test.html');
        BufferedReader read = null; 
StringBuilder data = new StringBuilder(); 
try {
            read = new BufferedReader(new InputStreamReader(getAssets().open("htmlFile.html"), "UTF-8")); 
            String webData;
            while ((mLine = read.readLine()) != null) {
               data.append(mline);
            } 
    } catch (IOException e) {
             log(",e.getmessage()) } finally {
            if (reader != null) {
                 try {
                     reader.close();
                 } catch (IOException e) {
                     log(",e.getmessage())
                 }
            } 
    }

对于将与应用程序捆绑的文件,您可以在项目浏览器中右键单击应用程序,然后选择

新建=>文件夹=>资产文件夹

将HTML文件添加到资产文件夹,然后通过以下方式加载:

fileView.loadUrl("file:///android_asset/"+name);

可以在HTML中使用相同的URL链接到其他HTML或CSS文件。

您可以先读取资产文件,然后通过asd将其显示在webview上 像这样

loadURL("file:///android_asset/test.html');
        BufferedReader read = null; 
StringBuilder data = new StringBuilder(); 
try {
            read = new BufferedReader(new InputStreamReader(getAssets().open("htmlFile.html"), "UTF-8")); 
            String webData;
            while ((mLine = read.readLine()) != null) {
               data.append(mline);
            } 
    } catch (IOException e) {
             log(",e.getmessage()) } finally {
            if (reader != null) {
                 try {
                     reader.close();
                 } catch (IOException e) {
                     log(",e.getmessage())
                 }
            } 
    }
然后在webview中加载此数据

webview.loadData(data, "text/html", "UTF-8");

我正在考虑开始为android制作游戏。理论上,我是否可以创建一个html5画布和javascript游戏,在android手机上本地存储文件,然后用webview打开它们,让玩家玩游戏?我想从test.html导航到page1.html,我在test.html中使用
,因为两者都在同一目录中,但不起作用