`` plain text
+ - +
Tea stall |
+ - +
/ \
/ \
/ \
+-+/Sequence \+-+
| Waitor | & lt-& gt； | Team Menu |
+ - + \ / + - +
\ /
\ /
+ - +
Injector |
+ - +
```
Data dictionary:
Tea fragrance: different flavors of tea, such as "West Lake Longjing" and "Dongting Robbie".
-Tea: specific tea products, including tea taste and brewing method.
-Brewing tea: brewing tea, including the taste and quantity of tea.
-Teapot cabinet: a cabinet for storing teapots, which is used to keep the quantity of brewed tea.
-TeaClient: specific customers, including the taste of favorite tea.
-Waitor: responsible for the bridge between tea customers and tea makers, receiving orders and passing them on to tea makers.
-Order: the customer's order, including the taste and quantity of tea.
Tea tray: a tray for waiters to put tea cups.
-Cup: A cup for holding tea.
-TeaStallOrderCount: Count the order numbers of teahouses.
-infusedtafavorcount: Count the aroma number of brewed tea.
The DFD diagram of Layer 0 is as follows:
`` plain text
+ - +
Tea stall |
+ - +
/ \
/ \
/ \
+-+/Sequence \+-+
| Waitor | & lt-& gt； | Team Menu |
+ - + \ / + - +
\ /
\ /
+ - +
Injector |
+ - +
```