After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Regular delimiter
推荐 / #作为定界符
2019-07-050个赞
Courses in the relevant section：Metacharacters in regular expressions
. 匹配除换行符\n之外的所以字符
2019-07-050个赞
Courses in the relevant section：Revealing the database connection method
$dsn = mysql://root:root@127.0.0.1:3306/demo#utf8
2019-02-140个赞
Courses in the relevant section：Database addition, deletion, modification and query operations
field('id,name') field(['id'=>'编号','name'=>'姓名'])
2019-02-140个赞
