spring6-与juint和mybatis的集成
spring对junit的支持主要是自动从spring容器中获取bean。不用手动获取了。
spring对junit4的支持
1.引入spring和junit4的依赖
org.springframework spring-context 6.0.4 org.springframework spring-test 6.0.4 junit junit 4.13.2 test2.编写测试类
@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()); }}spring对junit5的支持
[*]引入依赖
org.springframework spring-context 6.0.4 org.springframework spring-test 6.0.4 org.junit.jupiter junit-jupiter 5.9.2 test 2.编写测试类
@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()); }}spring集成mybatis
[*]引入依赖
org.springframework spring-context 6.0.21 org.springframework spring-jdbc 7.0.2 mysql mysql-connector-java 8.0.30 org.mybatis mybatis 3.5.19 org.mybatis mybatis-spring 4.0.0 com.alibaba druid 1.1.20 junit junit 4.13.2 test
[*]创建三层架构需要的包：mapper、pojo、service
[*]编写pojo类
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; }}
[*]编写mapper接口
// 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 getAllAccount();}
[*]编写mapper配置文件
insert into t_act(actno, balance) values(#{actno}, #{balance}) delete from t_act where actno = #{actno} update t_act set name= #{name}, money = #{money} where actno = #{actno} select actno, balance from t_act where actno = #{actno} select actno, balance from t_act
[*]编写service和service的实现类
public interface AccountService { int addAccount(Account account); int updateAccount(Account account); int deleteAccount(String actno); Account getAccount(String actno); List getAllAccount();}@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 getAllAccount() { return accountMapper.getAllAccount(); }}
[*]编写jdbc.properties配置文件
jdbc.driver=com.mysql.cj.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3306/spring6?useSSL=false&serverTimezone=UTCjdbc.username=rootjdbc.password=yourpassword
[*]编写mybaits-config.xml配置文件
[*]编写spring.xml配置文件
在spring配置文件中引入子配置文件
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