Vue implements custom components to change component background color (example code)

To implement Vue custom components to change the background color of the component, you can pass the background color as an attribute of the component to the component through props, listen to the changes of this attribute inside the component, and apply it to the component's style. Here is a simple example code.

Create a Vue custom component, for example:

<template>
  <div :style="{ backgroundColor: backgroundColor }">
    <slot></slot>
  </div>
</template>
<script>
export default {
  props: {
    backgroundColor: {
      type: String,
      default: 'white' // The default background color is white    }
  }
}
</script>
<style scoped>
/* Component style */
div {
  padding: 20px;
  border: 1px solid #ccc;
}
</style>

In this component, we define a backgroundColor prop to receive the background color passed by the parent component. Then in<div>The background color is dynamically bound to the label, and the backgroundColor property is applied to the component's background color using the :style directive.

Use custom components in the parent component and dynamically change the background color:

<template>
  <div>
    <custom-component :background-color="bgColor">
      <h1>Custom Component with Dynamic Background Color</h1>
      <p>This is a custom component with dynamic background color.</p>
    </custom-component>
    <button @click="changeColor">Change Background Color</button>
  </div>
</template>
<script>
import CustomComponent from './';
export default {
  components: {
    CustomComponent
  },
  data() {
    return {
      bgColor: 'lightblue'
    };
  },
  methods: {
    changeColor() {
       = ();
    },
    getRandomColor() {
      // Generate random colors      return '#' + (() * 16777215).toString(16);
    }
  }
}
</script>

In this parent component, we use the custom component CustomComponent and pass the background color to the custom component through :background-color prop. At the same time, we define a button, and when the button is clicked, the changeColor method is called to change the background color.
Through the above code, you can implement a Vue custom component with dynamic background color. Whenever a button is clicked, the background color of the component changes randomly.

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