C Language small commodity management system

Topic 4 small commodity management system
Small commodity management system
1． The design requirements :
Store the commodity information in the form of file in the computer , Use the program to find commodities 、 increase 、 Delete 、 Modification and maintenance work .
2. Basic function
1) Before using the system , Log in first .
Users are divided into 2 class :
a. Administrators ( You can use all permissions , You can create ordinary users , And assign permissions to ordinary users ).
b. Ordinary users （ Before use , The administrator is required to register the user information , And open corresponding permissions )
2) User management . Only administrators can use this function .
Include :
Open a new user , Delete user , User permission Settings .
User rights include :
a. You can only query 、 Browse product information ;
You can edit product information （ increase 、 modify 、 Delete )

3) Commodity information management . increase 、 modify 、 Delete product information .
Each product information shall at least include : Product id 、 name 、 Various price elements （ Purchase price 、 The sale price 、 discount price )e4） Commodity information query . According to different keywords , Query and display product information .

3. Expand functions :
1） The items are displayed by some sort of keyword
2） Increase inventory of goods 、 Monthly sales volume and other information for the first half of the year , Value of existing goods 、 Statistical analysis of sales and other information
3） Other custom extension functions .

Source download

link ：https://pan.baidu.com/s/1JJs9vbZahUCB6cQvXLgAVg?pwd=1111
Extraction code ：1111