spring annotation

​@ComponentScan​  过滤以com.zyxk.sl开头的包，以ForTest结构的类

@ComponentScan(basePackages = {"com.zyxk.sl.forumservice","com.zyxk.sl.ctcomponent"},
        excludeFilters={
                @ComponentScan.Filter(type=FilterType.REGEX,pattern={"com.zyxk.sl..*ForTest"})
        } )

​@Conditional​

public class MySqlDriverPresentsCondition implements Condition {
    @Override
    public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {

        try {
            Class.forName("com.mysql.jdbc.Driver");
            return true;
        } catch (ClassNotFoundException e) {
            return false;
        }

    }
}

@Configuration  配置

@ContextConfiguration(classes=AConfig.class)