After following, you can keep track of his dynamic information in a timely manner
From PHP
When grade has no data, an error occurs, prompting "Undefined variable: gradeList"
2018-11-050 answers
From PHP
Can't use constants with empty()?
2018-11-012 answers
From PHP
Should the name of the Model's PHP file be the same as the database name?
2018-11-011 answers
