设计某单位职工工资管理系统，功能如下：对于每位职工存储以下信息：职工编号、基本工资、津贴、岗位津贴、应发数、个人所得税、应扣数、实发数。
（1）创建某存储职工工资信息的存储文件；
（2）添加某职工的工资信息；
（3）删除某职工的工资信息；
（4）修改某职工的部分工资信息（当月开始增加或减少某些项工资或扣款数变化）；
（5）输出给定编号职工的工资信息（查询用）；
（6）输出全体职工的工资信息（发工资用）。(The design of a unit wage management system, functions as follows: for each employee to store the following information: the number of employees, basic salary, allowance, post allowance, the number should be issued, personal income tax should be withheld, the number of real number. The calculation method of personal income tax is:
(1) create a storage file of payroll information for storage workers;
(2) add the wage information of an employee;
(3) delete the wage information of an employee;
(4) modify part of the wage information of a worker (the beginning of the month to increase or reduce the amount of wages or deductions);
(5) output the wage information of a given number of workers (for enquiry);
(6) output the wage information of all staff and workers.)