If you have ever inserted duplicate data, please visit
Source: Internet
Author: User
I have encountered repeated data insertion. please come in! The problem is that I wrote a form in Php and executed an insert statement on the processing page to be submitted. However, when I checked the data, I found that two records were inserted each time, I am depressed for an afternoon. I hope that the heroes who have encountered such problems can help solve them. My submitted Form File is as follows: & lt ;? P has encountered repeated data insertion!
The problem is that I wrote a form in Php and executed an insert statement on the processing page to be submitted. However, when I checked the data, I found that two records were inserted each time, I am depressed for an afternoon. I hope that the heroes who have encountered such problems can help solve them. My submitted Form File is as follows:
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