数据源的自动配置

分析自动配置

• 扩展配置项 spring.datasource.druid
• DruidSpringAopConfiguration.class, 监控SpringBean的；配置项：spring.datasource.druid.aop-patterns

• DruidStatViewServletConfiguration.class, 监控页的配置：spring.datasource.druid.stat-view-servlet；默认开启
• DruidWebStatFilterConfiguration.class, web监控配置；spring.datasource.druid.web-stat-filter；默认开启

• DruidFilterConfiguration.class}) 所有Druid自己filter的配置

•     private static final String FILTER_STAT_PREFIX = "spring.datasource.druid.filter.stat";
      private static final String FILTER_CONFIG_PREFIX = "spring.datasource.druid.filter.config";
      private static final String FILTER_ENCODING_PREFIX = "spring.datasource.druid.filter.encoding";
      private static final String FILTER_SLF4J_PREFIX = "spring.datasource.druid.filter.slf4j";
      private static final String FILTER_LOG4J_PREFIX = "spring.datasource.druid.filter.log4j";
      private static final String FILTER_LOG4J2_PREFIX = "spring.datasource.druid.filter.log4j2";
      private static final String FILTER_COMMONS_LOG_PREFIX = "spring.datasource.druid.filter.commons-log";
      private static final String FILTER_WALL_PREFIX = "spring.datasource.druid.filter.wall";