# 超市管理系统 -- SMBMS
# 0x01 项目搭建及准备工作
1. 搭建一个maven项目
2. 配置Tomcat
3. 测试项目是否能够跑起来
4. 导入jar包:servlet-api、jsp-api、mysql-connector-java等
5. 创建项目包结构
6. 编写实体类
ORM映射:表-类
7. 编写基础公共类
1. 数据库配置文件
```text
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306?useUnicode=true&characterEncoding=utf-8
user=root
password=666666
```
2. 编写数据库的公共类
3. 编写字符编码过滤器
8. 导入静态资源
# 0x02 登录功能
![img.png](static/loginFlow.png)
1. 编写前端页面
2. 设置首页
```xml
<!--设置欢迎页面(首页)-->
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
```
3. 编写Dao层用户登录的接口和实现类
4. 编写业务层接口和实现类
5. 编写LoginServlet
# 0x03 登录功能优化
1. 实现退出功能,移除session
2. 加入过滤器,进行权限控制
# 0x04 密码修改
1. 导入前端页面
2. DAO层
3. service层
4. servlet层
5. 提取方法,实现servlet复用
![img.png](static/servlet_fuyong.png)
6. 使用ajax优化
# 0x03 用户管理实现
1. 导入分页的工具类PageSupport.java
2. 用户列表页面导入
userlist.jsp
![img.png](static/3-userManager.png)
## 3.1 获取用户数量
1. UserDao
2. UserDaoImpl
3. UserService
4. UserServiceImpl
## 3.2 获取用户列表
1. UserDao
2. UserDaoImpl
3. UserService
4. UserServiceImpl
## 3.3 获取角色列表
1. RoleDao
2. RoleDaoImpl
3. RoleService
4. RoleServiceImpl
## 3.4 编写Servlet
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温馨提示
基于Javaweb的超市管理系统毕业设计项目源码 搭建一个maven项目 配置Tomcat 测试项目是否能够跑起来 导入jar包:servlet-api、jsp-api、mysql-connector-java等 创建项目包结构 编写实体类 ORM映射:表-类 编写基础公共类 数据库配置文件 driver=com.mysql.jdbc.Driver url=jdbc:mysql://localhost:3306?useUnicode=true&characterEncoding=utf-8 user=root password=666666 编写数据库的公共类 编写字符编码过滤器 导入静态资源
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