不同用户连接不同数据源添加连接测试

ruoyi-admin/src/main/java/com/ruoyi/web/dataBase/DatabaseConnectionMap.java

@@ -26,11 +26,20 @@ public class DatabaseConnectionMap {
             dataSource.setUsername("db_cdyq6tkqn1ioja179i8b");
             dataSource.setPassword("By@#5c9i75sgtx3b620g6m6e");
             JdbcTemplate template = new JdbcTemplate(dataSource);
-
+            jdbcTemplate = template;
             // map中存值
             databaseConnectionMap.put(dataBaseName, template);
-            return template;
         }
+
+        // 测试连接
+        try {
+            int count = jdbcTemplate.queryForObject("SELECT 1 FROM DUAL" , Integer.class);
+        } catch (Exception e) {
+            // 移除连接失败的数据源
+            databaseConnectionMap.remove(dataBaseName);
+            throw new RuntimeException(e.getMessage());
+        }
+
         return jdbcTemplate;
     }
 }