fix: 优化了动态数据源识别不到oracle问题

backend/src/main/java/com/yfd/platform/datasource/DynamicDataSourceController.java

@@ -7,7 +7,12 @@ import jakarta.annotation.Resource;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.StatementCallback;
+
 import javax.sql.DataSource;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
 import java.util.*;
 
 /**

backend/src/main/java/com/yfd/platform/datasource/DynamicDataSourceRegistry.java

@@ -55,25 +55,6 @@ public class DynamicDataSourceRegistry {
      */
     @PostConstruct
     public void init() {
-        try {
-            List<GenDatasourceConf> configs = loadConfigs();
-            if (configs.isEmpty()) {
-                log.info("GEN_DATASOURCE_CONF 表中无已启用的动态数据源配置，跳过注册");
-                return;
-            }
-            int success = 0;
-            int fail = 0;
-            for (GenDatasourceConf conf : configs) {
-                if (tryRegister(conf)) {
-                    success++;
-                } else {
-                    fail++;
-                }
-            }
-            log.info("动态数据源初始化完成: 成功={}, 失败={}", success, fail);
-        } catch (Exception e) {
-            log.error("动态数据源初始化失败（业务主库未就绪，稍后手动刷新即可）: {}", e.getMessage());
-        }
         REGISTRY_EXECUTOR.submit(() -> {
             try {
                 log.info("动态数据源后台初始化开始...");