//代码如下:
BufferedReader reader = new BufferedReader(new ReaderUTF8(servletContext.getResourceAsStream(path)));
//初始化ReaderUTF8编译异常
Access restriction: The constructor 'ReaderUTF8(InputStream)' is not API (restriction on required library 'C:\Program Files\Java\jre1.8.0_121\lib\rt.jar')