Additionally, class components make use of lifecycle methods, which are predefined functions that execute at different stages of a component’s existence. They help developers orchestrate specific actions or be
import Vue from 'vue'import Component from 'vue-class-component'import OtherComponent from './OtherComponent.vue' @Component({// Specify `components` option.// See Vue.js docs for all available options:// https://vuejs.org/v2/api/#Options-Datacompon...
importComponentfrom'vue-class-component' @Component exportdefaultclassHelloWorldextendsVue{ // `message` will not be reactive value message =undefined } 为了避免这种情况,可以使用 null 对值进行初始化,或者使用 data()构造钩子函数,如下: importVuefrom'vue' importComponentfrom'vue-class-component' @Compone...
importVuefrom'vue'importComponentfrom'vue-class-component'@ComponentexportdefaultclassHelloWorldextendsVue{// Declare mounted lifecycle hookmounted(){console.log('mounted')}// Declare render functionrender(){returnHello World!}} Other Options 对于其他所有选项,则需要将其写到注解 @Component中。 代码语言:...
Methods属性 组件方法可以直接声明为类的原型方法: <template> Click </template> import Vue from 'vue' import Component from 'vue-class-component' @Component export default class HelloWorld extends Vue { // Declared as component method hello() { console...
import Component from 'vue-class-component' @Component export default class HelloWorld extends Vue { // `message` will not be reactive value message = undefined } 1. 2. 3. 4. 5. 6. 7. 8. 为了避免这种情况,可以使用 null 对值进行初始化,或者使用 data()构造钩子函数,如下:...
alert("METHODS fromChildEvent") }} 我们用vue-property-decorator写了 @Emit() 。另外可能你也发现了,Vue、Component 也可以通过 vue-property-decorator 引入。 === 分割线 === 最后,有一个js公共修饰器库,core-decorators。 这个库提供了非常多的修饰器,用惯了大概...
from various metaclasses objects. Use metaclass objects to obtain information without having to create instances of the class. Metadata enables the programmatic inspection of classes. Each metaclass has properties, methods, and events that contain information about the class or class component it ...
import { Component, Vue } from 'vue-property-decorator' @Component({ functional: true, props: { theme: { type: String, default: 'default' } } }) export default class Stylesheets extends Vue { // A bunch of Vue lifecycle methods here and there... render () { return null } } The ...
vue-class-component是 vue 的官方库,作用是用类的方式编写组件。 这种编写方式可以让.vue文件的js域结构更扁平,并使vue组件可以使用继承、混入等高级特性。 简单的示例: ComponentA.vue <template>{{ nameString }}{{ child }}button</template>import Vue from'vue'import Component from'vue-class-component'...