feat：目录选择组件

src/components/input/PathField.vue

@@ -0,0 +1,89 @@
+<script setup lang="ts">
+import api from '@/api'
+import { FileItem } from '@/api/types'
+import { VTreeview } from 'vuetify/labs/VTreeview'
+
+// 输入变量为默认路径
+const props = defineProps({
+  root: {
+    type: String,
+    default: '/',
+    required: true,
+  },
+})
+
+// update:modelValue 事件
+const emit = defineEmits(['update:modelValue'])
+
+// 激活的目录
+const activedDirs = ref<string[]>([])
+
+// 打开的目录
+const openedDirs = ref<string[]>([])
+
+// 目录列表
+const treeItems = ref<FileItem[]>([
+  {
+    name: '/',
+    path: props.root,
+    children: [],
+    type: '',
+    basename: props.root,
+    extension: '',
+    size: 0,
+    modify_time: 0,
+  },
+])
+
+// 拉取子目录
+async function fetchDirs(item: any) {
+  return api
+    .get('/filebrowser/listdir?path=' + item.path)
+    .then((data: any) => {
+      item.children.push(...data)
+    })
+    .catch(err => console.warn(err))
+}
+
+// 获取选择的目录路径
+const selectedPath = computed(() => {
+  if (activedDirs.value.length > 0) {
+    return activedDirs.value[0]
+  }
+  return ''
+})
+
+// 监听目录变化
+watch(activedDirs, newVal => {
+  if (!newVal.length) return
+  emit('update:modelValue', selectedPath)
+})
+
+onMounted(() => {
+  fetchDirs(treeItems.value[0])
+})
+</script>
+
+<template>
+  <VMenu :close-on-content-click="false" content-class="cursor-default">
+    <template v-slot:activator="{ props }">
+      <slot name="activator" :menuprops="props" />
+    </template>
+    <VTreeview
+      v-model:activated="activedDirs"
+      v-model:opened="openedDirs"
+      :items="treeItems"
+      :load-children="fetchDirs"
+      item-key="path"
+      item-title="name"
+      item-value="path"
+      item-type="unknown"
+      activatable
+      return-object
+      max-height="20rem"
+      expand-icon="mdi-folder"
+      collapse-icon="mdi-folder-open"
+    >
+    </VTreeview>
+  </VMenu>
+</template>