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# DI 종류는 어떤것이 있고, 이들의 차이는 무엇인가요?
#### 키워드
`@Autowired`, `bean`, `Constructor`, `Field`, `Property`
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## 📌문제의 테스트코드
```java
@SpringBootTest
@Transactional
class BoardServiceTest {
@Autowired
EntityManager em;
@Autowired
private BoardRepository boardRepository;…
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- Use lowercase for package names: https://docs.oracle.com/javase/tutorial/java/package/namingpkgs.html
- Remove sparkling `println`
- Split big methods and name it accordingly:
-- https://github.c…
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最近在学习这个项目中的Spring Security，用其中的代码做了一个自己的项目，在线下用`mvn package`和`java -jar`都运行正常，使用DevOps部署到线上出现了循环依赖的异常。（为了使idea生成下面的图，加了几处`@Autowired`注解）
1. 要生成`userController`，就需要通过自动装配方式使用`userService`
```java
…
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我自定义了个Encryptor，且使用了Spring容器的注入
```java
@Component
public class Encryptor implements IEncryptor {
@Autowired
private PooledPBEStringEncryptor encryptor;
@Autowired
private I…
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单服务（spring boot的项目，版本0.5.7），多个数据源的业务。
下面是我的代码
`@Service("tccTestTryImpl")
@Compensable(
interfaceClass = TccTestService.class,
confirmableKey = "tccTestConfirmImpl",
canc…
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**[Daniel Moses](https://jira.spring.io/secure/ViewProfile.jspa?name=dmoses)** opened **[DATAREST-524](https://jira.spring.io/browse/DATAREST-524?redirect=false)** and commented
See documentation
htt…
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https://github.com/swleon/template/blob/5655f437ca4697445f678046af23214c95310c1e/springboot-web-demo/src/main/java/com/leon/config/interceptor/AllowCrossDomainInterceptor.java#L27
当进入拦截器的preHandle方…
zxyle updated
2 years ago
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### Describe the solution you'd like
https://issues.apache.org/jira/browse/CAMEL-20569
In simple.json there is a new functions that list all the functions you can do on simple. Here is a snippet f…
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1. 配置不同策略的Bean（同一个服务）
```java
@Configuration
public class ReferenceConfiguration {
@Bean
@DubboReference(interfaceClass = IdGeneratorService.Iface.class, version = "1.0", timeout = 5000…