完成主要在线 session 的功能

ruoyi-common/src/main/java/com/ruoyi/common/annotation/DynamicDataSource.java

@@ -0,0 +1,24 @@
+package com.ruoyi.framework.datasource;
+
+import java.util.Map;
+import javax.sql.DataSource;
+
+import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource;
+
+/**
+ * 动态数据源
+ *
+ * @author ruoyi
+ */
+public class DynamicDataSource extends AbstractRoutingDataSource {
+    public DynamicDataSource(DataSource defaultTargetDataSource, Map<Object, Object> targetDataSources) {
+        super.setDefaultTargetDataSource(defaultTargetDataSource);
+        super.setTargetDataSources(targetDataSources);
+        super.afterPropertiesSet();
+    }
+
+    @Override
+    protected Object determineCurrentLookupKey() {
+        return DynamicDataSourceContextHolder.getDataSourceType();
+    }
+}