父子组件之间:点击按钮弹出对话框,上传数据,子组件关闭对话框后,上传的数据存在缓存的问题
应用场景:A页面中勾选需要操作的数据 - 点击A页面中按钮 - 弹出对话框B - 关闭对话框B时 - 再次返回A页面时,勾选状态仍旧保留 - 再次打开对话框B - B中的列表数据仍旧存在
解决方法:父子之间通信,通过子组件发射事件,父组件对子组件的事件重新写一个关闭弹窗的方法
<el-dialog
v-model="shown"
width="720px"
:close-on-click-modal="false"
title="新增"
draggable
@close="closeDialog"
>
<el-button :loading="isSubmitting" @click="closeDialog">关闭</el- button>
<el-button type="primary" :loading="isSubmitting" @click="save">保存</el-dialog>
<script lang="ts">
function closeDialog() {
emit('close');
}
</script>
<el-button size="small" type="primary" @click="openAttachment" :disabled="selection.length < 2">新增</el-button>
<Add v-if="open" :order-id="selection.map(item => item.id)" @close="closeAttachment($event)"/>
<script lang="ts">
import BatchAttachmentModal from '@/views/components/Add.vue';
export default defineComponent({
components: {
Add},
const open = ref<boolean>(false);
function openAttachment() {
open.value = true;
}
function closeAttachment(value) {
open.value = false;
}
})
</script>