Java 语法错误-@PostConstructor注释
我正在学习Spring的教程。在本例中,它创建了一个带有@PostConstruct注释的方法。但是我试图把但是Spring抛出语法错误 然后Spring为我提供3个选项:Java 语法错误-@PostConstructor注释,java,spring,spring-mvc,jpa,annotations,Java,Spring,Spring Mvc,Jpa,Annotations,我正在学习Spring的教程。在本例中,它创建了一个带有@PostConstruct注释的方法。但是我试图把但是Spring抛出语法错误 然后Spring为我提供3个选项: 创建注释 在文件中重命名 修复项目设置 有人知道我该怎么办 package cr.test.jba.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.
- 创建注释
- 在文件中重命名
- 修复项目设置
package cr.test.jba.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import cr.test.jba.entity.Role;
import cr.test.jba.repository.BlogRepository;
import cr.test.jba.repository.ItemRepository;
import cr.test.jba.repository.RoleRepository;
import cr.test.jba.repository.UserRepository;
@Service
public class InitDbService {
@Autowired
private RoleRepository roleRepository;
@Autowired
private UserRepository userRepository;
@Autowired
private BlogRepository blogRepository;
@Autowired
private ItemRepository itemRepository;
@PostConstruct
public void init(){
Role roleUser = new Role();
roleUser.setName("ROLE_USER");
}
和应用程序上下文:
<?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:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.1.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
<context:component-scan base-package="cr.test.jba">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<jdbc:embedded-database type="HSQL" id="datasource" />
<bean class ="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" id="emf">
<property name="packagesToScan" value="cr.test.jba.entity"></property>
<property name="dataSource" ref="datasource"></property>
<property name="jpaProperties">
<props>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">create</prop>
</props>
</property>
<property name="persistenceProvider">
<bean class="org.hibernate.jpa.HibernatePersistenceProvider" />
</property>
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
<bean class="org.springframework.orm.jpa.JpaTransactionManager" id="TransactionManager" >
<property name="dataSource" ref="datasource"></property>
</bean>
<jpa:repositories base-package="cr.test.jba.repository" entity-manager-factory-ref="emf" transaction-manager-ref="TransactionManager" />
</beans>
真的
创造
看起来您尚未导入@PostConstruct
注释。请添加以下导入声明:
import javax.annotation.PostConstruct;
@如果答案有助于你解决问题,请接受答案。对不起,刚才我看到了你的帖子。非常感谢。