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From PHP

After obtaining the database data in thinkPHP5, the value of the drop-down box is selected by default and is passed to the background and disappears. There are pictures and codes, I hope someone can help.

2019-10-042 answers

From PHP

After obtaining the database data in thinkPHP5, the value of the drop-down box is selected by default and is passed to the background and disappears. There are pictures and codes, I hope someone can help.

2019-10-042 answers

From PHP

Why is my TP5 database query so slow?

2019-09-294 answers

From PHP

Why is my TP5 database query so slow?

2019-09-294 answers