JAVA springboot ssm b2b2c多用户商城系统源码（六）springboot整合m

<dependency>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-starter<artifactId>
     <version>1.3.0</version>
 </dependency>

<dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.29</version>
        </dependency>

spring.datasource.url=jdbc:mysql://localhost:3306/test spring.datasource.username=root
spring.datasource.password=123456 spring.datasource.driver-class-name=com.mysql.jdbc.Driver

-- create table `account`
# DROP TABLE `account` IF EXISTS
CREATE TABLE `account` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(20) NOT NULL,
  `money` double DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
INSERT INTO `account` VALUES ('1', 'aaa', '1000');
INSERT INTO `account` VALUES ('2', 'bbb', '1000');
INSERT INTO `account` VALUES ('3', 'ccc', '1000');

public class Account { private int id ; private String name ; private double money;

setter… 
getter… 
}

@Mapper public interface AccountMapper {
 
    @Insert("insert into account(name, money) values(#{name}, #{money})") int add(@Param("name") String name, @Param("money") double money);
 
    @Update("update account set name = #{name}, money = #{money} where id = #{id}") int update(@Param("name") String name, @Param("money") double money, @Param("id") int id);
 
    @Delete("delete from account where id = #{id}") int delete(int id);
 
    @Select("select id, name as name, money as money from account where id = #{id}")
    Account findAccount(@Param("id") int id);
 
    @Select("select id, name as name, money as money from account")
    List<Account> findAccountList();
}

@Service public class AccountService {
    @Autowired private AccountMapper accountMapper; public int add(String name, double money) { return accountMapper.add(name, money);
    } public int update(String name, double money, int id) { return accountMapper.update(name, money, id);
    } public int delete(int id) { return accountMapper.delete(id);
    } public Account findAccount(int id) { return accountMapper.findAccount(id);
    } public List<Account> findAccountList() { return accountMapper.findAccountList();
    }
}