spring6-与juint和mybatis的集成

全球顶级资深评论员 發表於 2026-2-10 16:26:00

<h1 id="spring对junit的支持">spring对junit的支持</h1>
<p>主要是自动从spring容器中获取bean。不用手动获取了。</p>
<h2 id="spring对junit4的支持">spring对junit4的支持</h2>
<p>1.引入spring和junit4的依赖</p>
<pre><code class="language-xml"><dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>6.0.4</version>
</dependency>

   <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-test</artifactId>
         <version>6.0.4</version>
   </dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</code></pre>
<p>2.编写测试类</p>
<pre><code class="language-java">@RunWith(SpringJUnit4ClassRunner.class)
// 加载spring.xml配置文件加载spring容器
@ContextConfiguration("classpath:spring.xml")
public class SpringJunit4Test {

@Autowired
private Account account;

@Test
public void testSpringJunit4(){
   System.out.println(account.getActno());
}
}
</code></pre>
<h2 id="spring对junit5的支持">spring对junit5的支持</h2>
<ol>
<li>引入依赖</li>
</ol>
<pre><code class="language-xml"><dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-context</artifactId>
         <version>6.0.4</version>
   </dependency>

   <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-test</artifactId>
         <version>6.0.4</version>
   </dependency>
   <dependency>
         <groupId>org.junit.jupiter</groupId>
         <artifactId>junit-jupiter</artifactId>
         <version>5.9.2</version>
         <scope>test</scope>
   </dependency>
</code></pre>
<p>2.编写测试类</p>
<pre><code class="language-java">@ExtendWith(SpringExtension.class)
@ContextConfiguration("classpath:spring.xml")
public class SpringJunit5Test {

@Autowired
private Account account;

@org.junit.jupiter.api.Test
public void testSpringJunit5(){
   System.out.println(account.getActno());
}
}
</code></pre>
<h1 id="spring集成mybatis">spring集成mybatis</h1>
<ol>
<li>引入依赖</li>
</ol>
<pre><code class="language-xml"><dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>6.0.21</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>7.0.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.30</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.19</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.20</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</code></pre>
<ol start="2">
<li>创建三层架构需要的包：mapper、pojo、service</li>
<li>编写pojo类</li>
</ol>
<pre><code class="language-java">public class Account {
private String actno;
private double balance;

@Override
public String toString() {
   return "Account{" +
            "actno='" + actno + '\'' +
            ", balance=" + balance +
            '}';
}

public Account() {
}

public Account(String actno, double balance) {
   this.actno = actno;
   this.balance = balance;
}

public String getActno() {
   return actno;
}

public void setActno(String actno) {
   this.actno = actno;
}

public double getBalance() {
   return balance;
}

public void setBalance(double balance) {
   this.balance = balance;
}
}
</code></pre>
<ol start="4">
<li>编写mapper接口</li>
</ol>
<pre><code class="language-java">// 该接口不需要写实现类，mybatis会根据动态代理机制自动生成实现类
public interface AccountMapper {
int update(Account getAccount);
int insert(Account getAccount);
int delete(String actno);
Account getAccount(String actno);
List<Account> getAllAccount();
}
</code></pre>
<ol start="5">
<li>编写mapper配置文件</li>
</ol>
<pre><code class="language-xml"><?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.ali.mapper.AccountMapper">
<insert id="insert" parameterType="com.ali.pojo.Account">
   insert into t_act(actno, balance) values(#{actno}, #{balance})
</insert>

<delete id="delete" >
   delete
   from t_act
   where actno = #{actno}
</delete>

<update id="update" parameterType="com.ali.pojo.Account">
   update t_act
   set name= #{name},
         money = #{money}
   where actno = #{actno}
</update>

<select id="getAccount"resultType="com.ali.pojo.Account">
   select actno, balance
   from t_act
   where actno = #{actno}
</select>

<select id="getAllAccount" resultType="com.ali.pojo.Account">
   select actno, balance
   from t_act
</select>
</mapper>
</code></pre>
<ol start="6">
<li>编写service和service的实现类</li>
</ol>
<pre><code class="language-java">public interface AccountService {
int addAccount(Account account);
int updateAccount(Account account);
int deleteAccount(String actno);
Account getAccount(String actno);
List<Account> getAllAccount();
}
</code></pre>
<pre><code class="language-java">@Service("accountService")
public class AccountServiceImpl implements com.ali.service.AccountService {

@Autowired
private AccountMapper accountMapper;

@Override
public int addAccount(Account account) {
   return accountMapper.insert(account);
}

@Override
public int updateAccount(Account account) {
   return accountMapper.update(account);
}

@Override
public int deleteAccount(String actno) {
   return accountMapper.delete(actno);
}

@Override
public Account getAccount(String actno) {
   return accountMapper.getAccount(actno);
}

@Override
public List<Account> getAllAccount() {
   return accountMapper.getAllAccount();
}
}
</code></pre>
<ol start="7">
<li>编写jdbc.properties配置文件</li>
</ol>
<pre><code class="language-properties">jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/spring6?useSSL=false&serverTimezone=UTC
jdbc.username=root
jdbc.password=yourpassword
</code></pre>
<ol start="8">
<li>编写mybaits-config.xml配置文件</li>
</ol>
<pre><code class="language-xml"><?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>


<settings>
   <setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>
</configuration>
</code></pre>
<ol start="9">
<li>编写spring.xml配置文件</li>
</ol>
<pre><code class="language-xml"><?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" xmlns:tx="http://www.springframework.org/schema/tx"
   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">


<context:component-scan base-package="com.ali" />

<context:property-placeholder location="jdbc.properties" />

<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="driverClassName" value="${jdbc.driver}" />
</bean>

<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="dataSource" />

<property name="configLocation" value="classpath:mybatis-config.xml" />

<property name="typeAliasesPackage" value="com.ali.pojo" />
</bean>


<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ali.mapper" />
</bean>


<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
   <property name="dataSource" ref="dataSource" />
</bean>

<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
</code></pre>
<h1 id="在spring配置文件中引入子配置文件">在spring配置文件中引入子配置文件</h1>
<pre><code class="language-xml">
<import resource="common.xml" />
</code></pre>

</div>
<div id="MySignature" role="contentinfo">
<p>本文来自博客园，作者：NE_STOP，转载请注明原文链接：https://www.cnblogs.com/alineverstop/p/19600534</p><br><br>
来源：https://www.cnblogs.com/alineverstop/p/19600534

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spring6-与juint和mybatis的集成