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# Modal 弹窗
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:::tip 说明
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项目提供 `BasicModal` 组件(`src/components/Modal/src/BasicModal.vue`)和原生 `el-dialog` 两种弹窗用法。编辑弹窗通过 `defineAsyncComponent` 懒加载,减少首屏渲染负担。
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项目提供 `BasicModal` 组件(`src/components/Modal/src/BasicModal.vue`)和 `useModal` hook 管理弹窗状态。编辑弹窗通过 `basicModal` 组件实现,支持提交按钮 loading、标题动态设置等能力。
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:::
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## 组件架构
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@@ -9,7 +9,7 @@
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```
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src/components/Modal/
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├── src/
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│ ├── BasicModal.vue # 主组件(基于 el-dialog)
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│ ├── BasicModal.vue # 主组件
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│ ├── props.ts # 属性定义
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│ ├── type.ts # 类型定义(ModalProps、ModalMethods)
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│ └── hooks/
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@@ -19,12 +19,20 @@ src/components/Modal/
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## BasicModal 组件
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`BasicModal` 基于 `el-dialog` 封装,提供全屏切换、自定义头部、提交按钮等能力:
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`BasicModal` 提供全屏切换、自定义头部、提交按钮等能力:
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```vue
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<BasicModal :title="'编辑'" :width="600" @register="registerModal" @ok="handleSubmit">
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<BasicForm @register="registerForm" />
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</BasicModal>
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<basicModal
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@register="modalRegister"
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ref="modalRef"
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class="basicModal basicFormModal"
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@on-ok="handleSubmit"
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@on-close="handleClose"
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>
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<template #default>
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<!-- 表单内容 -->
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</template>
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</basicModal>
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```
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核心功能:
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@@ -36,89 +44,96 @@ src/components/Modal/
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## 实际用法(position 模块)
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以岗位管理为例,实际使用原生 `el-dialog` + `defineAsyncComponent` 懒加载:
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以岗位管理为例,使用 `basicModal` + `useModal` hook 管理弹窗:
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### 父组件(index.vue)
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```vue
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<!-- src/views/system/position/index.vue -->
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<script setup>
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import { defineAsyncComponent } from 'vue';
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const editDialog = defineAsyncComponent(() => import('./edit.vue'));
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import editDialog from './edit.vue';
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const createModalRef = ref();
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const positionId = ref(0);
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const editVisible = ref(false);
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// 新增
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const handleAdd = async () => {
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positionId.value = 0;
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await nextTick();
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editVisible.value = true;
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await nextTick();
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createModalRef.value.openModal();
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};
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// 编辑
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const handleEdit = async (record: Recordable) => {
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positionId.value = record.row.id;
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await nextTick();
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async function handleEdit(record: Recordable) {
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positionId.value = record.id;
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editVisible.value = true;
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};
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await nextTick();
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createModalRef.value.openModal();
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}
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</script>
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<template>
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<editDialog
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v-if="editVisible"
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ref="createModalRef"
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:positionId="positionId"
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v-if="editVisible"
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v-model:visible="editVisible"
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@success="reloadTable('noRefresh')"
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/>
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</template>
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```
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`defineAsyncComponent` 实现懒加载:首屏不加载弹窗组件,首次打开时才加载,加载完成后缓存。
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### 编辑弹窗(edit.vue)
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```vue
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<!-- src/views/system/position/edit.vue -->
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<template>
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<el-dialog
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v-model="props.visible"
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:title="props.positionId ? '编辑' : '新增'"
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width="500"
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:close-on-click-modal="false"
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:before-close="dialogClose"
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<basicModal
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@register="modalRegister"
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ref="modalRef"
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class="basicModal basicFormModal"
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@on-ok="handleSubmit"
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@on-close="handleClose"
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>
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<el-form class="ls-form" ref="formRef" :model="formData" label-width="80px">
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<el-form-item
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label="岗位名称"
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prop="name"
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:rules="{ required: true, message: '请输入岗位名称', trigger: 'blur' }"
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<template #default>
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<n-form
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class="ls-form"
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ref="formRef"
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:model="formData"
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label-placement="left"
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label-width="85px"
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>
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<el-input v-model="formData.name" placeholder="请输入岗位名称" clearable />
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</el-form-item>
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<el-form-item label="岗位状态" prop="status">
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<el-radio-group v-model="formData.status">
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<el-radio :value="1">正常</el-radio>
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<el-radio :value="2">停用</el-radio>
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</el-radio-group>
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</el-form-item>
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<el-form-item label="排序" prop="sort">
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<el-input-number v-model="formData.sort" />
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</el-form-item>
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</el-form>
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<template #footer>
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<el-button @click="dialogClose">取消</el-button>
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<el-button :loading="subLoading" type="primary" @click="submit">确定</el-button>
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<n-form-item
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label="岗位名称"
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path="name"
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:rule="{ required: true, message: '请输入岗位名称', trigger: 'blur' }"
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>
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<n-input v-model:value="formData.name" placeholder="请输入岗位名称" clearable />
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</n-form-item>
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<n-form-item label="岗位状态" path="code">
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<n-radio-group v-model:value="formData.status" name="status">
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<n-radio :value="1">正常</n-radio>
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<n-radio :value="2">停用</n-radio>
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</n-radio-group>
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</n-form-item>
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<n-form-item label="排序" path="sort">
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<n-input-number v-model:value="formData.sort" />
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</n-form-item>
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</n-form>
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</template>
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</el-dialog>
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</basicModal>
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</template>
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<script lang="ts" setup>
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import { getPositionDetail, positionAdd, positionUpdate } from '@/api/system/position';
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import { useLockFn } from '@/utils/useLockFn';
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import { useMessage } from 'naive-ui';
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import { useModal } from '@/components/Modal';
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const emit = defineEmits(['success', 'update:visible']);
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const formRef = shallowRef<FormInstance>();
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const formRef = ref();
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const message = useMessage();
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const formData = reactive({ id: '', name: '', status: 1, sort: 0 });
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@@ -127,20 +142,31 @@ const props = defineProps({
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positionId: { type: Number, required: true, default: 0 },
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});
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// 定义模态
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const [modalRegister, { openModal, setSubLoading }] = useModal({
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title: props.positionId ? '编辑岗位' : '添加岗位',
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subBtuText: '确定',
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width: 600,
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});
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// 提交处理
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const handleSubmit = async () => {
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await formRef.value?.validate();
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props.positionId ? await positionUpdate(formData) : await positionAdd(formData);
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message('操作成功');
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emit('update:visible', false);
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emit('success');
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formRef.value
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.validate()
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.then(async () => {
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props.positionId ? await positionUpdate(formData) : await positionAdd(formData);
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message.success('操作成功');
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setSubLoading(false);
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emit('update:visible', false);
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emit('success');
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})
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.catch((error) => {
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setSubLoading(false);
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});
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};
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// 关闭弹窗
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const dialogClose = () => { emit('update:visible', false); };
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// useLockFn 防重复提交,isLock 绑定按钮 loading
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const { isLock: subLoading, lockFn: submit } = useLockFn(handleSubmit);
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const handleClose = () => { emit('update:visible', false); };
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// 编辑时加载数据
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const setFormData = async () => {
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@@ -155,42 +181,49 @@ const setFormData = async () => {
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onMounted(() => {
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if (props.positionId) setFormData();
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});
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defineExpose({ openModal });
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</script>
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```
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## 弹窗数据流
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```
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父组件点击编辑 → positionId = record.row.id → editVisible = true
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父组件点击编辑 → positionId = record.id → editVisible = true → openModal()
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↓
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edit.vue onMounted → positionId != 0 → setFormData() → 获取详情填充表单
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↓
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用户修改 → submit → useLockFn(防重复) → formRef.validate() → positionUpdate(formData)
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用户修改 → handleSubmit → formRef.validate() → positionUpdate(formData)
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↓
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emit('success') → 父组件 reloadTable() → 表格刷新
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```
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## 确认弹窗
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删除等危险操作使用 `confirm` 封装函数(来自 `src/utils/auth.ts`):
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删除等危险操作使用 NaiveUI 的 `useDialog`:
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```typescript
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import { message, confirm } from '@/utils/auth';
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import { useMessage, useDialog } from 'naive-ui';
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async function handleDelete(record: Recordable) {
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let ids = [];
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if (!record) {
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ids = selectionData.value.map(({ id }) => id);
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}
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const message = useMessage();
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const dialog = useDialog();
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await confirm('确定要删除?');
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record ? await positionDelete(record.row.id) : await positionBatchDelete(ids);
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message('删除成功');
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reloadTable();
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async function handleDelete(record) {
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dialog.warning({
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title: '提示',
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content: '确定要删除?',
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positiveText: '确定',
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negativeText: '取消',
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onPositiveClick: async () => {
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record.id ? await positionDelete(record.id) : await positionBatchDelete(rowKeys.value);
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message.success('删除成功');
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reloadTable();
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},
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});
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}
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```
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`confirm` 内部调用 `ElMessageBox.confirm`,返回 Promise,用户取消时抛出异常中断后续逻辑。
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`useDialog` 返回 Dialog 实例,通过 `dialog.warning()` / `dialog.error()` 等方法弹出确认框,`onPositiveClick` 回调处理确认逻辑。
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## v-model:visible 双向绑定
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@@ -203,14 +236,14 @@ async function handleDelete(record: Recordable) {
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<!-- 子组件 -->
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<script setup>
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const emit = defineEmits(['update:visible']);
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const dialogClose = () => { emit('update:visible', false); };
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const handleClose = () => { emit('update:visible', false); };
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</script>
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```
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:::tip 温馨提示
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弹窗组件通过 `defineAsyncComponent(() => import('./edit.vue'))` 懒加载,首屏不加载弹窗代码。`useLockFn` 将 `isLock` 绑定按钮的 `:loading` 属性,防止重复提交。关闭弹窗时通过 `v-model:visible` 自动同步父子状态。
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编辑弹窗使用 `basicModal` 组件,通过 `useModal` hook 管理弹窗状态(标题、宽度、提交按钮 loading)。`setSubLoading(false)` 在提交完成后关闭 loading。`defineExpose({ openModal })` 暴露 `openModal` 方法供父组件调用。
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:::
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## 总结
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编辑弹窗使用 `el-dialog` + `defineAsyncComponent` 懒加载,通过 `v-model:visible` 双向绑定显隐状态,`useLockFn` 防重复提交。父组件通过 `positionId` prop 传递编辑行 ID,子组件在 `onMounted` 中判断并加载详情数据。操作成功后 `emit('success')` 通知父组件刷新表格。
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编辑弹窗使用 `basicModal` + `useModal` hook 管理弹窗状态,通过 `v-model:visible` 双向绑定显隐状态,`setSubLoading` 控制提交按钮 loading 防重复提交。父组件通过 `positionId` prop 传递编辑行 ID,子组件在 `onMounted` 中判断并加载详情数据。操作成功后 `emit('success')` 通知父组件刷新表格。删除确认使用 NaiveUI 的 `useDialog`。
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