同目前主流的备份程序不一样，本系统生成sql文件，是否兼容phpmyadmin创建的表未验证，单表文件大于2048K时，自动创建新文件，首次生成数据结构表，该表起总纲作用-With the current mainstream backup program is not the same, the system generates sql file, create a compatible table phpmyadmin unverified, single table files larger than 2048K, automatically creates a new file, first generated data structure table, which plays the role of master