🗃️ 数据库兼容性增强

src/main/java/im/zhaojun/zfile/core/config/MyDatabaseIdProvider.java

@@ -0,0 +1,34 @@
+package im.zhaojun.zfile.core.config;
+
+import org.apache.ibatis.mapping.DatabaseIdProvider;
+import org.springframework.stereotype.Component;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+
+@Component
+public class MyDatabaseIdProvider implements DatabaseIdProvider {
+
+    private static final String DATABASE_MYSQL = "MySQL";
+    private static final String DATABASE_SQLITE = "SQLite";
+
+    @Override
+    public String getDatabaseId(DataSource dataSource) throws SQLException {
+        Connection conn = dataSource.getConnection();
+        String dbName = conn.getMetaData().getDatabaseProductName();
+        String dbAlias = "";
+        switch (dbName) {
+            case DATABASE_MYSQL:
+                dbAlias = "mysql";
+                break;
+            case DATABASE_SQLITE:
+                dbAlias = "sqlite";
+                break;
+            default:
+                break;
+        }
+        return dbAlias;
+    }
+
+}