For help! Secondary linkage of modifying function how cash query to the data-CodePudding

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For help! Secondary linkage of modifying function how cash query to the data

Time：09-19

As shown in figure, the classification of a drop-down box, when modified, query the data first, to get the data content,
Then two down pull box secondary linkage, how to implement this function?

CodePudding user response:

1. Modify the good use js refresh under local HTML
2. Modify well in check, again refresh interface

Page link：https//www.codepudding.com/Backend/11119.html

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