摘要：
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance 阅读全文
摘要：
元注解 @Target(value = {ElementType.TYPE}) @Retention(value = RetentionPolicy.RUNTIME) public @interface Component { String value(); } 实体类 @Component("us 阅读全文