In the course chapter "File Uploading and List Paging Display",
queries the article list. $artList is defined in the if judgment to determine whether cate_id exists. Then give The code for template assignment should be displayed as undefined.
When judging whether cate_id exists, if it exists, the condition will include cata_id = the incoming cate_id, but the query for querying all files is directly added outside the judgment. I feel it should be After including the cate_id query, you should also query all articles.
天蓬老师2019-01-24 11:29:53
It is recommended that you post the code together. It is difficult to answer just by describing it. I have many courses and it is impossible to remember all the details of each course
