在父组件中使用的Vue模态组件 [英] Vue modal component using in parent component

问题描述

我正在用Vue构建简单的模态组件.我想在父级组件中使用此组件，并能够从父级切换它.

I'm building simple modal component with Vue. I want to use this component in a parent components and to be able to toggle it from the parent.

这是我现在的模态组件代码:

This is my code now of the modal component:

<script>
export default {
	name: 'Modal',
	data() {
		return {
			modalOpen: true,
		}
	},
	methods: {
		modalToggle() {
			this.modalOpen = !this.modalOpen
		},
	},
}
</script>

<template>
	<div v-if="modalOpen" class="modal">
		<div class="body">
			body
		</div>
		<div class="btn_cancel" @click="modalToggle">
			<i class="icon icon-cancel" />
		</div>
	</div>
</template>

我使用 v-if 来切换渲染，它可以与我在模态组件内部创建的按钮一起使用.

I use the v-if to toggle the rendering and it works with the button i created inside my modal component.

但是我的问题是:我不知道如何使用父组件中的简单按钮来切换它.我不知道如何从模态组件访问modalOpen数据

However my problem is: I don't know how to toggle it with simple button from parent component. I don't know how to access the modalOpen data from the modal component

推荐答案

好的，让我们尝试正确地做.我建议使用成熟的组件，并使用父组件或其他包含组件中的v模型控制模态窗口的打开和关闭.

Ok, let's try to do it right. I propose to make a full-fledged component and control the opening and closing of a modal window using the v-model in parent components or in other includes.

1)我们需要在子属性"props"中声明prop-"value".

1) We need declare prop - "value" in "props" for child component.

<script>
export default {
    name: 'Modal',
    props: ["value"],
    data() {
        return {
            modalOpen: true,
        }
    },
    methods: {
        modalToggle() {
            this.modalOpen = !this.modalOpen
        },
    },
}
</script>

2)替换为以下内容的"modalToggle":

2) Replace your "modalToggle" that:

modalToggle() {
  this.$emit('input', !this.value);
}

3)在父组件或其他组件中，声明"modal = false"变量，并在组件v-model ="modal"上使用，并在模态变量上使用任何控制按钮.

3) In parent components or other includes declare "modal=false" var and use on component v-model="modal" and any control buttons for modal var.

摘要

<template>
    <div v-if="value" class="modal">
        <div class="body">
            body
        </div>
        <div class="btn_cancel" @click="modalToggle">
            <i class="icon icon-cancel" />
        </div>
    </div>
</template>

<script>
export default {
  name: "Modal",
  props: ["value"],
  methods: {
    modalToggle() {
      this.$emit("input", !this.value);
    }
  }
};
</script>

示例:

Vue.component('modal', {
  template: '<div v-if="value" class="modal"><div class="body">modal body</div><div class="btn_cancel" @click="modalToggle">close modal<i class="icon icon-cancel" /></div></div>',
  props: ["value"],
	methods: {
		modalToggle() {
      this.$emit('input', !this.value);
		}
	}
});

// create a new Vue instance and mount it to our div element above with the id of app
var vm = new Vue({
  el: '#app',
  data:() =>({
  modal: false
  }),
  methods: {
  openModal() {
  this.modal = !this.modal;
  }
  }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"></script>
<div id="app">
  <div @click="openModal">Btn modal</div>
  
  <modal v-model="modal"></modal>
</div>

这篇关于在父组件中使用的Vue模态组件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！