This time I will bring you a detailed explanation of the use of Vue custom dynamic components. What are the precautions for Vue custom dynamic components? Here are practical cases, let’s take a look.
There are many UI component libraries based on vue, such as iview, element-ui, etc. But sometimes these component libraries cannot meet our development needs. At this time, we need to write a plug-in ourselves.
The first chestnut
After building the project directory with vue-cli, create a new folder under src/components to put us in The plug-in to be written is as shown in the figure:
Write our component in index.vue, the code is as follows:
Index.js, write the install method of index.vue, and use Vue.component to register the component. The code is as follows:
Next we need to add it to the default main.js Import the index.js file you just wrote and use it through Vue.use. The code is as follows:
You’re done. You can use it directly in app.vue. Well, you can see that the corresponding components have been displayed on the page, as shown in the figure:
At this time we can also customize the click event and pass the parameters Passed to our plug-in, the plug-in can obtain the event through the props attribute, as shown in the figure:
You can see that the page has taken effect:
Vue.component(id, [definition])
Used to register or obtain components.
Vue.use(plugin)
is used to install the Vue.js plug-in. If the plugin is an object, the install method must be provided. If the plugin is a function, it will be used as the install method. When the install method is called, Vue will be passed in as a parameter. When the install method is called multiple times by the same plug-in, the plug-in will only be installed once.
Let’s take the second example
Let’s create another folder, as shown in the picture:
We want to write a component that can display the content passed in from the outside and automatically disappear after 3 seconds. The code is as follows:
Next we need to add in index. Use the constructor in js to create it, as shown in the figure:
Still reference the js file just now in the default main.js and add it to On the Vue instance, we can call it directly through this.$seconddemo(). The code is as follows:
import SecondDemo from './components/global/seconddemo/index'Vue.prototype.$seconddemo = SecondDemoUse it in app.vue and find that the plug-in is loaded successfully, as shown in the figure:
Vue.extend(options) is the constructor of Vue, used to create a "subclass".
Unified management of self-defined componentsWhen there are a large number of components, we can provide a unified export file To manage these custom components, first create a new index.js file in the global folder. The code is as shown:
The index.js file helps us register all custom components through Vue.component, and finally exports an object containing the install method to Vue.use().
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
Recommended reading:
How to verify the correct email address in JS
Detailed explanation of the steps to introduce icon into Vue project
The above is the detailed content of Detailed explanation of the use of Vue custom dynamic components. For more information, please follow other related articles on the PHP Chinese website!

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