职工的数据，存放在文本文件中，格式自定

1. 可以从键盘输入职工信息，添加到磁盘的文本文件中

2. 可以根据职工的姓名查找

3. 可以排序输出

4. 可以指定删除某个职工信息

-The data stored in the worker of text files, the format

1 from the keyboard input information can be added to the disk, the worker of the text file

2 can according to worker s name lookup

3 can sort the output

4 can delete a worker designated information