点餐系统
该项目基于USYD_COMP9412_A1作业要求，开发一个餐厅点菜系统，其中包含两类用户类型，消费者和管理人；消费者通过该系统完成查看菜品，添加菜品，修改菜品数量，移除菜品，订单支付和历史订单查询的功能；作为管理人可以修改菜品数据包含名称，价格，描述，配料和类型，删除菜品，添加类型和订单查询以及所有消费者的操作；
该项目无使用任何GUI库，采用命令行字符的形式调用系统功能其组成如下：
| role | command | operation | description |
|---|---|---|---|
| Both | menu | show | Show all items on menu |
| Both | menu | view (itemId) | View item's detail- description, ingredient, weight, price |
| Both | order | add (itemId) | Add the specified item into the order cart |
| Both | order | show | Show all items on current order |
| Both | order | remove (orderItemIndex) | Remove item from order |
| Both | order | update (orderItemIndex) | update the quantity of item |
| Both | order | pay | pay order |
| Both | history | show | |
| Both | history | view (orderId) | |
| Both | sys | role | Show current role |
| Both | sys | login | login |
| Both | sys | help | printout command info |
| Both | sys | reboot | reload data |
| Admin | admin | logout | logout |
| Admin | admin | dashboard | show how many |
| Admin | admin | add | Admin add new category or new item |
| Admin | admin | delete | Admin delete category or item. attention: delete category will destroy all depending items |
| Admin | admin | update | Update item's name, price, description ,etc |
| Both | exit | exit System |
项目实现:
购买轻量化服务器并在其中搭建MySQL数据库和Jenkins。Jenkins通过webhook实现每一次的GitHub中的分支提交后自动进行完成单元测试和代码覆盖率报告。使用Gradle实现项目的初始化和包管理。通过自定义的DAO类并引入JDBC接口完成与数据库的连接和数据操作，通过命令模式的设计模式完成对用户输入字符串的解析和过滤。引入Junit和Jacoco完成单元测试和检测代码覆盖率。
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