1.文本文件读写
https://www.cnblogs.com/lvdongjie/p/4817185.html
2.二进制文件读写
https://www.cnblogs.com/lvdongjie/p/4817165.html
详细解决方案
1.文本文件读写
https://www.cnblogs.com/lvdongjie/p/4817185.html
2.二进制文件读写
https://www.cnblogs.com/lvdongjie/p/4817165.html