Spring+Mybatis配置

1、创建数据库表结构如下

帐户表

字段名称	类型	中文	长度	是否主键	是否自增	备注
id	Int			Y	Y
account	Varchar	帐号	255
password	varchar	密码	255
coupon	Int	游戏点券

2、使用spring整合mybatis技术，完成对表中数据的增加和显示

3、使用spring整合mybatis技术，完成用户登录处理

 

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>springFramework</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>day_06_job</artifactId>

    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
        <spring.version>5.3.15</spring.version>
    </properties>
    <dependencies>
        <!-- spring上下文环境 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- spring事务 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!--druid数据源-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.8</version>
        </dependency>
        <!--mysql驱动-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.28</version>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.22</version>
        </dependency>
        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.9</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.7</version>
        </dependency>
    </dependencies>
    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>
</project>

 

jdbc.url=jdbc:mysql://localhost:3306/mybatis?serverTimezone=GMT%2B8&useSSL=false
jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.username=root
jdbc.password=zengyu1234

package com.xzit.mapper;

import com.xzit.entity.Account;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface AccountMapper {
    void addAccount(Account account);
    List<Account> selectAccount();
    Account LoginAccount(Account account);
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.xzit.mapper.AccountMapper">
    <insert id="addAccount" parameterType="Account">
        insert into day_06_account values (null,#{account},#{password},#{coupon})
    </insert>
    <select id="selectAccount" resultType="Account">
        select * from day_06_account
    </select>
    <select id="LoginAccount" resultType="Account" parameterType="Account">
        select * from day_06_account d where d.account = #{account} and d.password = #{password}
    </select>
</mapper>

package com.xzit.service;

import com.xzit.entity.Account;

import java.util.List;

public interface AccountService {
    void addAccount(Account account);
    List<Account> selectAccount();
    Account LoginAccount(Account account);
}

package com.xzit.service;

import com.xzit.entity.Account;
import com.xzit.mapper.AccountMapper;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

@Service
public class AccountServiceImpl implements AccountService {
    @Resource
    private AccountMapper mapper;

    @Override
    public void addAccount(Account account) {
        mapper.addAccount(account);
    }

    @Override
    public List<Account> selectAccount() {
        return mapper.selectAccount();
    }

    @Override
    public Account LoginAccount(Account account) {
        Account account1 = null;
        try {
            account1 = mapper.LoginAccount(account);
        }catch (Exception e) {
            e.printStackTrace();
        }finally {
            if (account1 == null)
                System.out.println("登录失败,用户名或密码错误");
        }
        return account1;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
    <!--对应db.properties文件-->
    <context:property-placeholder location="classpath:db.properties"></context:property-placeholder>
    <!-- 自动扫描 -->
    <context:component-scan base-package="com.xzit"></context:component-scan>
    <!-- 数据源 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="url" value="${jdbc.url}"></property>
        <property name="username" value="${jdbc.username}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>
    <!-- 配置SqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="configLocation" value="classpath:SqlMapConfig.xml"></property>
    </bean>
    <!-- 对Mapper的扫描 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        <!-- 配置Mapper文件的基准包 -->
        <property name="basePackage" value="com.xzit.mapper"></property>
    </bean>
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <typeAliases>
        <package name="com.xzit.entity"/>
    </typeAliases>
    <mappers>
        <package name="com.xzit.mapper"/>
    </mappers>
</configuration>

package com.xzit.test;

import com.alibaba.druid.sql.ast.statement.SQLPrivilegeItem;
import com.xzit.entity.Account;
import com.xzit.service.AccountService;
import com.xzit.service.AccountServiceImpl;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.List;

public class Test {
    public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml");
        Account account = new Account();
        account.setAccount("曾誉").setPassword("1234").setCoupon(5000);

        AccountService service = context.getBean(AccountServiceImpl.class);
        /*service.addAccount(account);*/
        /*List<Account> list = service.selectAccount();
        list.forEach(System.out::println);*/

        Account account1 = service.LoginAccount(account);
        System.out.println(account1.getAccount()+"登录成功,您的余额为"+account1.getCoupon());

    }
}

package com.xzit.entity;

import lombok.Data;
import lombok.experimental.Accessors;

@Data
@Accessors(chain = true)
public class Account {
    private int id;
    private String account;
    private String password;
    private int coupon;
}