去除监控页面底部的广告

ruoyi-framework/src/main/java/com/ruoyi/framework/config/DruidConfig.java

@@ -1,15 +1,24 @@
 package com.ruoyi.framework.config;
 
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
 import javax.sql.DataSource;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
 import com.alibaba.druid.pool.DruidDataSource;
 import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
+import com.alibaba.druid.spring.boot.autoconfigure.properties.DruidStatProperties;
+import com.alibaba.druid.util.Utils;
 import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.framework.config.properties.DruidProperties;
 import com.ruoyi.framework.datasource.DynamicDataSource;
@@ -48,4 +57,41 @@ public class DruidConfig
         targetDataSources.put(DataSourceType.SLAVE.name(), slaveDataSource);
         return new DynamicDataSource(masterDataSource, targetDataSources);
     }
+
+    /**
+     * 去除监控页面底部的广告
+     */
+    @SuppressWarnings({ "rawtypes", "unchecked" })
+    @Bean
+    public FilterRegistrationBean removeDruidFilterRegistrationBean(DruidStatProperties properties)
+    {
+        // 获取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");
+        final String filePath = "support/http/resources/js/common.js";
+        // 创建filter进行过滤
+        Filter filter = new Filter()
+        {
+            @Override
+            public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+                    throws IOException, ServletException
+            {
+                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(filePath);
+                // 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);
+            }
+        };
+        FilterRegistrationBean registrationBean = new FilterRegistrationBean();
+        registrationBean.setFilter(filter);
+        registrationBean.addUrlPatterns(commonJsPattern);
+        return registrationBean;
+    }
 }