完成 druid ad filter 组件

梳理 druid 的配置

src/main/java/cn/iocoder/dashboard/framework/datasource/config/DataSourceConfiguration.java

@@ -1,12 +1,38 @@
 package cn.iocoder.dashboard.framework.datasource.config;
 
+import cn.iocoder.dashboard.framework.datasource.core.filter.DruidAdRemoveFilter;
+import com.alibaba.druid.spring.boot.autoconfigure.properties.DruidStatProperties;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 /**
- * 数据库匹配类
+ * 数据库配置类
+ *
+ * @author 芋道源码
  */
 @Configuration
 @EnableTransactionManagement(proxyTargetClass = true) // 启动事务管理
 public class DataSourceConfiguration {
+
+    /**
+     * 创建 DruidAdRemoveFilter 过滤器，过滤 common.js 的广告
+     */
+    @Bean
+    @ConditionalOnProperty(name = "spring.datasource.druid.web-stat-filter.enabled", havingValue = "true")
+    public FilterRegistrationBean<DruidAdRemoveFilter> druidAdRemoveFilterFilter(DruidStatProperties properties) {
+        // 获取 druid web 监控页面的参数
+        DruidStatProperties.StatViewServlet config = properties.getStatViewServlet();
+        // 提取 common.js 的配置路径
+        String pattern = config.getUrlPattern() != null ? config.getUrlPattern() : "/druid/*";
+        String commonJsPattern = pattern.replaceAll("\\*", "js/common.js");
+        // 创建 DruidAdRemoveFilter Bean
+        FilterRegistrationBean<DruidAdRemoveFilter> registrationBean = new FilterRegistrationBean<>();
+        registrationBean.setFilter(new DruidAdRemoveFilter());
+        registrationBean.addUrlPatterns(commonJsPattern);
+        return registrationBean;
+    }
+
 }

src/main/java/cn/iocoder/dashboard/framework/datasource/core/enums/DatasourceMark.java

@@ -1,11 +1,14 @@
-package cn.iocoder.dashboard.framework.datasource.enums;
-
-/**
- * 对应于多数据源中不同数据源配置
- *
- * 在方法上使用注解{@code  @DS(DatasourceMark.slave)}可以指定slave数据源，默认是master数据源
- */
-public interface DatasourceMark {
-    String master = "master";
-    String slave = "slave";
-}
+package cn.iocoder.dashboard.framework.datasource.core.enums;
+
+/**
+ * 对应于多数据源中不同数据源配置
+ *
+ * 在方法上使用注解{@code  @DS(DatasourceMark.slave)}可以指定slave数据源，默认是master数据源
+ */
+public interface DatasourceMark {
+
+    String MASTER = "master";
+
+    String SLAVE = "slave";
+
+}

src/main/java/cn/iocoder/dashboard/framework/datasource/core/filter/DruidAdRemoveFilter.java

@@ -0,0 +1,38 @@
+package cn.iocoder.dashboard.framework.datasource.core.filter;
+
+import com.alibaba.druid.util.Utils;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * Druid 底部广告过滤器
+ *
+ * @author 芋道源码
+ */
+public class DruidAdRemoveFilter extends OncePerRequestFilter {
+
+    /**
+     * common.js 的路径
+     */
+    private static final String COMMON_JS_ILE_PATH = "support/http/resources/js/common.js";
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
+            throws ServletException, IOException {
+        chain.doFilter(request, response);
+        // 重置缓冲区，响应头不会被重置
+        response.resetBuffer();
+        // 获取 common.js
+        String text = Utils.readFromResource(COMMON_JS_ILE_PATH);
+        // 正则替换 banner, 除去底部的广告信息
+        text = text.replaceAll("<a.*?banner\"></a><br/>", "");
+        text = text.replaceAll("powered.*?shrek.wang</a>", "");
+        response.getWriter().write(text);
+    }
+
+}

src/main/resources/application-local.yaml

@@ -5,38 +5,41 @@ server:
 
 spring:
   # 数据源配置项 TODO 监控配置
-  # 排除默认的自动配置，使用dynamic-datasource-spring-boot-starter配置多数据源，整合druid
   autoconfigure:
-    exclude: com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure
+    exclude:
+      - com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure # 排除 Druid 的自动配置，使用 dynamic-datasource-spring-boot-starter 配置多数据源
   datasource:
-    druid:
+    druid: # Druid 【监控】相关的全局配置
       web-stat-filter:
         enabled: true
       stat-view-servlet:
         enabled: true
-        # 设置白名单，不填则允许所有访问
-        allow:
+        allow: # 设置白名单，不填则允许所有访问
         url-pattern: /druid/*
-        # 控制台管理用户名和密码
-        login-username:
+        login-username: # 控制台管理用户名和密码
         login-password:
       filter:
         stat:
           enabled: true
-          # 慢 SQL 记录
-          log-slow-sql: true
+          log-slow-sql: true # 慢 SQL 记录
           slow-sql-millis: 100
           merge-sql: true
         wall:
           config:
             multi-statement-allow: true
-    dynamic:
-      # druid全局配置 https://dynamic-datasource.com/en/guide/integration/Druid.html#configurate-parameters
-#      druid: #The following are the supported global parameters
-#        initial-size:
-#        max-active:
-#        min-idle:
-#        max-wait:
+    dynamic: # 多数据源配置
+      druid: # Druid 【连接池】相关的全局配置
+        initial-size: 5 # 初始连接数
+        min-idle: 10 # 最小连接池数量
+        max-active: 20 # 最大连接池数量
+        max-wait: 600000 # 配置获取连接等待超时的时间，单位：毫秒
+        time-between-eviction-runs-millis: 60000 # 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位：毫秒
+        min-evictable-idle-time-millis: 300000 # 配置一个连接在池中最小生存的时间，单位：毫秒
+        max-evictable-idle-time-millis: 900000 # 配置一个连接在池中最大生存的时间，单位：毫秒
+        validation-query: SELECT 1 FROM DUAL # 配置检测连接是否有效
+        test-while-idle: true
+        test-on-borrow: false
+        test-on-return: false
       primary: master
       datasource:
         master:
@@ -45,17 +48,12 @@ spring:
           driver-class-name: com.mysql.jdbc.Driver
           username: root
           password: 123456
-          # druid 局部配置
-#          druid: # The following are independent parameters that can be reset for each db
-#            validation-query: select 1 FROM DUAL #such as oracle need this
-#        slave:
-#          name: ruoyi-vue-pro-slave
-#          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.slave.name}?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT
-#          driver-class-name: com.mysql.jdbc.Driver
-#          username: root
-#          password: 123456
-
-
+        slave:
+          name: ruoyi-vue-slave
+          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.slave.name}?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT
+          driver-class-name: com.mysql.jdbc.Driver
+          username: root
+          password: 123456
 
   # Redis 配置。Redisson 默认的配置足够使用，一般不需要进行调优
   redis: