mysql批量入库，数据量太多出错
Too many arguments.
7 SQLSTATE[HY000]: General error: 1390 Prepared statement contains too many placeholders /data/app/framework/thinkphp/library/think/db/Connection.php 451
https://blog.csdn.net/qq_18875541/article/details/69392823
这个问题解决就是分批入库，大的数据拆成小的数据