window.resolveLocalFileSystemURI不是函数

问题描述

我创建了一个Web应用程序，我需要将其转换为移动应用程序，现在我所拥有的只是html5/js/css文件，这意味着我没有任何www foder没有平台文件夹，没有cordova项目...我首先开始使用cordova命令行构建应用程序，但是我没有，发现很多问题，然后使用 https://build.phonegap.com/，对我来说很好.为了读取文件，我尝试了以下代码:

I created a web application that I need to convert to a mobile application, now all I have is html5/js/css files which means I don't have any www foder no platforms folder, not a cordova project ... I started first to build the app using cordova command lines, but I couldn't, I found many problems on that, I used then https://build.phonegap.com/ , and it works fine for me. In order to read the file, I have tried this code :

    window.resolveLocalFileSystemURI("file:///android_asset/www/data/User.xml", function () {
        alert("Success");
    }, function () {
        alert(" error ");
    });

但是，它没有用.我添加了try catch，例外是:

but, it didn't work. I added a try catch, the exception was :

window.resolveLocalFileSystemURI is not a function

我需要在代码中添加一些内容才能使其正常工作吗?

Do i need to add something to my code to make it work ?

推荐答案

您需要安装一个插件才能正常工作.

You need to install a plugin for this to work.

基本上，在应用程序的根目录中运行"cordova plugin add org.apache.cordova.file".

Basically, run "cordova plugin add org.apache.cordova.file" at your application's root directory.

有关详细说明，请参见访问功能"下的此处: http://docs.phonegap.com/zh-CN/edge/cordova_file_file.md .html#LocalFileSystem

For detailed instructions see here, under "Accessing the Feature":http://docs.phonegap.com/en/edge/cordova_file_file.md.html#LocalFileSystem

UPDATE 2019

添加此插件的正确方法现在是在项目根目录中使用以下命令:

The correct way to add this plugin is now with this command in your project root:

cordova plugin add cordova-plugin-file

这是一个核心的cordova插件. 在npm上找到文件

This is a core cordova plugin. Documentation found here on npm

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