背景:
因爲項目中需要指定spring託管的bean名稱,需要使用nameGenerator 配置自己重寫方法
但是按照如下: 配置後,nameGenerator不能生效。
@SpringBootApplication(
scanBasePackages = "com.tjbsl"
)
@ComponentScan(
nameGenerator = com.tjbsl.frbase.AnnotationBeanNameGeneratorDef.class
)
public class FrBaseApplication {
public static void main(String[] args) {
SpringApplication.run(FrBaseApplication.class, args);
}
}
調查原因:
分析@SpringBootApplication源碼,在@SpringBootApplication中可以通過scanBasePackages配置,指定@ComponentScan的配置basePackages的配置
如果這種情況則是在項目啓動類上面指定了兩次@ComponentScan,等同於下面的形式:
@SpringBootApplication
@ComponentScan(
basePackages = "com.tjbsl"
)
@ComponentScan(
nameGenerator = com.tjbsl.frbase.AnnotationBeanNameGeneratorDef.class
)
public class FrBaseApplication {
public static void main(String[] args) {
SpringApplication.run(FrBaseApplication.class, args);
}
}
懷疑配置多份會存在衝突問題,將兩份合併修改爲一份後,解決問題,nameGenerator 生效
最終效果:
@SpringBootApplication
@ComponentScan(
basePackages = "com.tjbsl",
nameGenerator = com.tjbsl.frbase.AnnotationBeanNameGeneratorDef.class
)
public class FrBaseApplication {
public static void main(String[] args) {
SpringApplication.run(FrBaseApplication.class, args);
}
}