多种方式读文件内容: 1、按字节读取文件内容 2、按字符读取文件内容 3、按行读取文件内容 4、随机读取文件内容-A variety of ways to read the file contents: 1, read the contents of the file in bytes 2 and 3 by the characters read file contents, press OK to read the contents of the documents 4, ra