I could get data related to multiple tables yesterday, but I can't get it today.
今天敲代码了吗2020-12-15 10:06:23
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There is no problem with the associated model, but I can’t get it when I get the uri from the database. I could still get it normally yesterday, but I can’t get it today
replyThank you, sir. After debugging like crazy for a long time, I discovered that the intermediate tables in the database had been cleared. The problem has been solved!
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Break point, give it a try, look at the data structure, find one, there is no need for foreach,