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+package cn.blog.framework.config;
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+
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+import cn.blog.common.enums.DataSourceType;
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+import cn.blog.common.utils.spring.SpringUtils;
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+import cn.blog.framework.config.properties.DruidProperties;
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+import cn.blog.framework.datasource.DynamicDataSource;
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+import com.alibaba.druid.pool.DruidDataSource;
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+import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
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+import com.alibaba.druid.spring.boot.autoconfigure.properties.DruidStatProperties;
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+import com.alibaba.druid.util.Utils;
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+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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+import org.springframework.boot.context.properties.ConfigurationProperties;
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+import org.springframework.boot.web.servlet.FilterRegistrationBean;
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+import org.springframework.context.annotation.Bean;
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+import org.springframework.context.annotation.Configuration;
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+import org.springframework.context.annotation.Primary;
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+
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+import javax.servlet.*;
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+import javax.sql.DataSource;
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+import java.io.IOException;
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+import java.util.HashMap;
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+import java.util.Map;
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+
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+/**
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+ * druid 配置多数据源
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+ *
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+ * @author ruoyi
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+ */
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+@Configuration
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+public class DruidConfig
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+{
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+ @Bean
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+ @ConfigurationProperties("spring.datasource.druid.master")
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+ public DataSource masterDataSource(DruidProperties druidProperties)
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+ {
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+ DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
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+ return druidProperties.dataSource(dataSource);
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+ }
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+
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+ @Bean
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+ @ConfigurationProperties("spring.datasource.druid.slave")
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+ @ConditionalOnProperty(prefix = "spring.datasource.druid.slave", name = "enabled", havingValue = "true")
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+ public DataSource slaveDataSource(DruidProperties druidProperties)
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+ {
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+ DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
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+ return druidProperties.dataSource(dataSource);
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+ }
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+
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+ @Bean(name = "dynamicDataSource")
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+ @Primary
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+ public DynamicDataSource dataSource(DataSource masterDataSource)
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+ {
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+ Map<Object, Object> targetDataSources = new HashMap<>();
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+ targetDataSources.put(DataSourceType.MASTER.name(), masterDataSource);
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+ setDataSource(targetDataSources, DataSourceType.SLAVE.name(), "slaveDataSource");
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+ return new DynamicDataSource(masterDataSource, targetDataSources);
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+ }
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+
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+ /**
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+ * 设置数据源
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+ *
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+ * @param targetDataSources 备选数据源集合
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+ * @param sourceName 数据源名称
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+ * @param beanName bean名称
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+ */
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+ public void setDataSource(Map<Object, Object> targetDataSources, String sourceName, String beanName)
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+ {
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+ try
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+ {
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+ DataSource dataSource = SpringUtils.getBean(beanName);
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+ targetDataSources.put(sourceName, dataSource);
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+ }
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+ catch (Exception e)
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+ {
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+ }
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+ }
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+
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+ /**
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+ * 去除监控页面底部的广告
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+ */
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+ @SuppressWarnings({ "rawtypes", "unchecked" })
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+ @Bean
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+ @ConditionalOnProperty(name = "spring.datasource.druid.statViewServlet.enabled", havingValue = "true")
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+ public FilterRegistrationBean removeDruidFilterRegistrationBean(DruidStatProperties properties)
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+ {
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+ // 获取web监控页面的参数
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+ DruidStatProperties.StatViewServlet config = properties.getStatViewServlet();
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+ // 提取common.js的配置路径
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+ String pattern = config.getUrlPattern() != null ? config.getUrlPattern() : "/druid/*";
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+ String commonJsPattern = pattern.replaceAll("\\*", "js/common.js");
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+ final String filePath = "support/http/resources/js/common.js";
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+ // 创建filter进行过滤
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+ Filter filter = new Filter()
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+ {
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+ @Override
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+ public void init(javax.servlet.FilterConfig filterConfig) throws ServletException
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+ {
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+ }
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+
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+ @Override
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+ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
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+ throws IOException, ServletException
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+ {
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+ chain.doFilter(request, response);
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+ // 重置缓冲区,响应头不会被重置
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+ response.resetBuffer();
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+ // 获取common.js
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+ String text = Utils.readFromResource(filePath);
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+ // 正则替换banner, 除去底部的广告信息
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+ text = text.replaceAll("<a.*?banner\"></a><br/>", "");
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+ text = text.replaceAll("powered.*?shrek.wang</a>", "");
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+ response.getWriter().write(text);
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+ }
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+
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+ @Override
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+ public void destroy()
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+ {
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+ }
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+ };
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+ FilterRegistrationBean registrationBean = new FilterRegistrationBean();
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+ registrationBean.setFilter(filter);
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+ registrationBean.addUrlPatterns(commonJsPattern);
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+ return registrationBean;
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+ }
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+}
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