How does vue implement partial refresh? (code example)

We all know that Vue’s componentization is its most powerful core, and routing is also a particularly cute part. However, routing is suitable for some large components. When you look at the URL path, you will Changes occur, but sometimes we want some small local refreshes. At this time, we need to use its dynamic components.

The element retained by Vue itself can dynamically bind the component to the is attribute, thereby conveniently realizing dynamic component switching.

The code is as follows: slotDome.vue:

simple1.vue:

simple2.vue:

In the above example, when the value of tabView changes, will render the corresponding component and route The effect is very similar, but the address bar has not changed

But in this way, each time the component is switched, it will be re-rendered, and the data on the component cannot be retained. At this time, you can use keep-alive to keep the component in memory to avoid re-rendering

The page effect is as follows:

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