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This article mainly introduces the relevant knowledge of "what is the encapsulation method of select components". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "what is the encapsulation method of select components" can help you solve the problem.

Reference method: I just need to use the select component and then add the code in our corresponding code item to the model property

The logic of concrete implementation

First of all, introduce the following js in all the pages. You can put this js in a common js, so there is no need for us to call it separately. This is mainly done by traversing all the components in the page where class is model, and then traversing to get the corresponding value of the model attribute, which is code item coding. Here is ("MKGL"). You can get the collection of code items in the backend controller by using ajax request, and return them through json. The dynamic drop-down box value is generated after parsing and traversing. Since the bootstrap select component is used here, the component needs to be refreshed after stitching the option. That's it.

Major js fragments

Finally, let's take a look at the corresponding backend module. This controller can be written under the general controller. After the backend gets the model, go directly to the table of the code item to find this collection. Since I put it in the ehcache cache here, I directly take it out of the cache, but the logic is the same, and then return to the foreground for parsing in json format.

Selectcontroller

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