报错信息如下: count(): Parameter must be an array or an object that implements Countable (View: D:\fookusystem\resources\views\business_product\index.blade.php) php7.1以上版本,count()函数中的参数必须是数组或者对象…
MySQL5.6版本备份报错,密码不安全 [root@centos199 mysql]# mysqldump -uroot -ppassword cz-office > mysql38.sqlWarning: Using a password on the command line interface can be insecure. 解决方法1:进行交互式输入密码, [root@centos199 mysql]# mysqldump -uroot -p cz-office > mysql38…