IO流中的字符流-InputStreamReader和OutputStreamWriter中编码和解码以及乱码的问题.
一:InputStreamReader不乱码的形式publicstaticvoidmain(String[]args)throwsException{//这里指的UTF-8是指用从a.txt中读取字节然后通过utf-8解码成字符InputStreamReaderisr=newInputStreamReader(neMFileInputStream(name:"a.txt"),charsetName