sql，SET FOREIGN_KEY_CHECKS = 0;，-替换your_database_name为你的数据库名，USE your_database_name;，-生成并执行删除数据的SQL语句，SELECT CONCAT('TRUNCATE TABLE ', table_name, ';') INTO @stmt，FROM information_schema.tables，WHERE table_schema = 'your_database_name' AND table_type = 'BASE TABLE';，PREPARE stmt FROM @stmt;，EXECUTE stmt;，DEALLOCATE PREPARE stmt;，SET FOREIGN_KEY_CHECKS = 1;，``