问题描述: 父组件调用子组件Modal的时候,关闭弹框之后会报错一共有下面几种情况
1,直接使用Modal组件(非自定义modal组件)
- 父组件代码
<template>
<div class="Demo">
<Buttontype="primary" @click="value = !value">打开弹框</Button>
<child-modal v-model="value"></child-modal>
</div>
</template>
<script lang="ts">
import { Component, Vue } from'vue-property-decorator'
import ChildModal from'../Test/ChildModal.vue'
@Component({
components: {'child-modal': ChildModal
}
})export default class Demo extends Vue {
value: boolean =false // 父组件传值给子组件
}
</script>复制代码
- 子组件代码
<template>
<Modal
title="子组件"
:value="value"
@input="data =>$emit('input', data)"
width="580">
<p>Content of dialog</p>
<p>Content of dialog</p>
<p>Content of dialog</p>
</Modal>
</template>
<script lang="ts">
import { Component, Vue, Prop } from'vue-property-decorator'
@Componentexport default class AddContacts extends Vue {
@Prop() value: boolean // 接收父组件传值
/**
* 备注:@input="data =>$emit('input', data)"解释,怕有的同学不理解,其实就是一个双向数据绑定
* @input="fun"
* fun (data) {
* this.$emit('input', data)
* }
*/
}
</script>复制代码
备注:
// @Model('input', {type: Boolean })
// @Prop({ default:false })
//testModal: Boolean复制代码
2,自定义Modal组件
- 父组件代码
<template>
<div class="Demo">
<Buttontype="primary" @click="value = !value">打开弹框</Button>
<child-modal v-model="value" @on-complete="complete"></child-modal>
</div>
</template>
<script lang="ts">
import { Component, Vue } from'vue-property-decorator'
import ChildModal from'../Test/ChildModal.vue'
@Component({
components: {'child-modal': ChildModal
}
})export default class Demo extends Vue {
value: boolean =false
complete (boo) {
this.value = boo
}
}
</script>复制代码
- 子组件代码
<template>
<Modal
title="子组件"
:value="value"
@input="data =>$emit('input', data)"
width="580">
<p slot="header">
子组件头部
</p>
<div style="text-align:center">
<p>自定义弹框内容</p>
<p>自定义弹框内容</p>
</div>
<div slot="footer">
<Buttontype="primary" @click="ok">确定</Button>
<Buttontype="ghost" @click="cancel">取消</Button>
</div>
</Modal>
</template>
<script lang="ts">
import { Component, Vue, Prop } from'vue-property-decorator'
@Componentexport default class AddContacts extends Vue {
@Prop() value: boolean // 接收父组件传值ok () {
this.$emit('on-complete', !this.value)
}cancel () {
this.$emit('on-complete', !this.value)
}复制代码
3,父组件有两个或多个Modal组件,开启关闭问题(只贴重要的代码)
父组件有多个按钮控制不同的Modal组件,开启关闭的时候也遇到了问题,这个就是我最终想实现的效果
- 父组件代码
<template>
<div class="Demo">
<Buttontype="primary" @click="value1 = !value1">打开弹框1</Button>
<one-modal v-model="valu1e" @on-complete="complete"></one-modal>
<Buttontype="primary" @click="value2 = !value2">打开弹框2</Button>
<two-modal v-model="value2" @on-complete="complete"></two-modal>
</div>
</template>
<script lang="ts">export default class Demo extends Vue {
value1: boolean =false
value2: boolean =false
complete (boo, obj) {
this[obj] = boo
}
}
</script>复制代码
- 子组件代码
<script lang="ts">
import { Component, Vue, Prop } from'vue-property-decorator'
@Componentexport default class AddContacts extends Vue {
@Prop() value: boolean // 接收父组件传值ok () {
this.$emit('on-complete', !this.value,'value1')
// 最后一个参数,如果是第二个modal弹框就传value2
}cancel () {
this.$emit('on-complete', !this.value,'value1')
}
}
</script>复制代码
备注:
this.$emit('on-complete', !this.value, 'value1')把值传给父组件,来实现true和false的转换
因为modal组件有默认的底部按钮,还有关闭按钮(头部的X号),还有遮罩层的关闭,这些都不能改变传进来的值,所以需要@input="data => $emit('input', data)"来实现
如有问题,欢迎指正,谢谢
原创,转载请注明出处:Vue+iview Modal组件爬坑之路(关闭弹框之后报错问题)