feat: 优化更新材料页面，只显示已上传的文件类型

- 调用 getApplyFiles API 获取已上传文件
- 根据已上传文件类型过滤显示列表
- 无材料时显示空状态提示

src/views/purchase/purchasingrequisition/UpdateFilesDialog.vue

@@ -1,12 +1,5 @@
 <template>
-  <el-dialog
-    v-model="visible"
-    title="更新材料"
-    width="900px"
-    destroy-on-close
-    append-to-body
-    :close-on-click-modal="false"
-  >
+	<el-dialog v-model="visible" title="更新材料" width="900px" destroy-on-close append-to-body :close-on-click-modal="false">
 		<template #header>
 			<div class="dialog-header">
 				<span class="dialog-title">
@@ -16,23 +9,16 @@
 			</div>
 		</template>
 
-    <el-alert
-      title="仅支持上传PDF格式文件，上传新文件将替换原有同类型文件"
-      type="info"
-      :closable="false"
-      style="margin-bottom: 16px"
-    />
+		<el-alert title="仅支持上传PDF格式文件，上传新文件将替换原有同类型文件" type="info" :closable="false" style="margin-bottom: 16px" />
 
-    <el-form label-width="120px">
+		<el-empty v-if="uploadedFileTypes.length === 0" description="该采购申请暂无上传材料" />
+
+		<el-form v-else label-width="120px">
 			<el-form-item label="采购编号">
 				<el-input v-model="purchaseNo" disabled />
 			</el-form-item>
 
-      <el-form-item
-        v-for="item in fileTypeList"
-        :key="item.value"
-        :label="item.label"
-      >
+			<el-form-item v-for="item in displayedFileTypes" :key="item.value" :label="item.label">
 				<upload-file
 					v-model="fileMap[item.value]"
 					:limit="5"
@@ -47,37 +33,38 @@
 
 		<template #footer>
 			<el-button @click="visible = false">取消</el-button>
-      <el-button type="primary" :loading="submitting" @click="handleSubmit">
-        确认更新
-      </el-button>
+			<el-button type="primary" :loading="submitting" @click="handleSubmit"> 确认更新 </el-button>
 		</template>
 	</el-dialog>
 </template>
 
 <script setup lang="ts">
-import { ref, reactive } from 'vue'
-import { Upload } from '@element-plus/icons-vue'
-import { useMessage } from '/@/hooks/message'
-import { updateFiles } from '/@/api/purchase/purchasingrequisition'
+import { ref, reactive, computed, nextTick } from 'vue';
+import { Upload } from '@element-plus/icons-vue';
+import { useMessage } from '/@/hooks/message';
+import { updateFiles, getApplyFiles } from '/@/api/purchase/purchasingrequisition';
 
 interface FileItem {
-  id: string
-  name: string
-  url: string
+	id: string;
+	name: string;
+	url: string;
 }
 
 interface FileTypeItem {
-  value: string
-  label: string
-  desc: string
+	value: string;
+	label: string;
+	desc: string;
 }
 
-const visible = ref(false)
-const submitting = ref(false)
-const purchaseId = ref('')
-const purchaseNo = ref('')
+const visible = ref(false);
+const submitting = ref(false);
+const purchaseId = ref('');
+const purchaseNo = ref('');
 
-const fileMap = reactive<Record<string, FileItem[]>>({})
+const fileMap = reactive<Record<string, FileItem[]>>({});
+
+// 已上传文件类型列表（只显示有文件的类型）
+const uploadedFileTypes = ref<string[]>([]);
 
 const fileTypeList: FileTypeItem[] = [
 	{ value: '10', label: '商务洽谈纪要', desc: '商务洽谈相关纪要文件' },
@@ -92,69 +79,102 @@ const fileTypeList: FileTypeItem[] = [
 	{ value: '100', label: '政府采购意向表', desc: '政府采购意向公示表' },
 	{ value: '110', label: '履约验收单', desc: '履约验收相关单据' },
 	{ value: '120', label: '采购需求表', desc: '采购需求明细表' },
-]
+];
 
-const open = (id: string, no?: string) => {
-  purchaseId.value = id || ''
-  purchaseNo.value = no || ''
-  visible.value = true
+// 根据已上传文件类型过滤显示列表
+const displayedFileTypes = computed(() => {
+	return fileTypeList.filter((item) => uploadedFileTypes.value.includes(item.value));
+});
+
+const open = async (id: string, no?: string) => {
+	purchaseId.value = id || '';
+	purchaseNo.value = no || '';
+	visible.value = true;
 	// 清空文件列表
 	fileTypeList.forEach((item) => {
-    fileMap[item.value] = []
-  })
-}
+		fileMap[item.value] = [];
+	});
+	uploadedFileTypes.value = [];
+
+	// 获取已上传的文件
+	try {
+		const res = await getApplyFiles(id);
+		const files = res?.data || [];
+
+		// 收集已上传的文件类型
+		const fileTypes = new Set<string>();
+		files.forEach((file: any) => {
+			if (file.fileType) {
+				fileTypes.add(String(file.fileType));
+				// 初始化已有文件的类型列表
+				if (!fileMap[file.fileType]) {
+					fileMap[file.fileType] = [];
+				}
+				fileMap[file.fileType].push({
+					id: file.id,
+					name: file.fileName,
+					url: file.fileUrl,
+				});
+			}
+		});
+
+		uploadedFileTypes.value = Array.from(fileTypes);
+	} catch (e) {
+		console.error('获取已上传文件失败', e);
+	}
+};
 
 const handleUploadSuccess = (res: any, fileType: string) => {
 	if (res && res.data) {
-    useMessage().success('上传成功')
+		useMessage().success('上传成功');
 	}
-}
+};
 
 const handleSubmit = async () => {
 	if (!purchaseId.value) {
-    useMessage().warning('无法获取采购申请ID')
-    return
+		useMessage().warning('无法获取采购申请ID');
+		return;
 	}
 
-  // 收集所有上传的文件ID
-  const allFileIds: string[] = []
-  fileTypeList.forEach((item) => {
-    const files = fileMap[item.value] || []
+	// 收集所有当前显示的文件ID
+	const allFileIds: string[] = [];
+	uploadedFileTypes.value.forEach((fileType) => {
+		const files = fileMap[fileType] || [];
 		files.forEach((file) => {
 			if (file.id) {
-        allFileIds.push(file.id)
+				allFileIds.push(file.id);
 			}
-    })
-  })
+		});
+	});
 
 	if (allFileIds.length === 0) {
-    useMessage().warning('请至少上传一个文件')
-    return
+		useMessage().warning('请至少保留或上传一个文件');
+		return;
 	}
 
-  submitting.value = true
+	submitting.value = true;
 	try {
 		await updateFiles({
 			purchaseId: purchaseId.value,
 			fileIds: allFileIds,
-    })
-    useMessage().success('更新材料成功')
-    visible.value = false
-    emit('refresh')
+		});
+		useMessage().success('更新材料成功');
+		visible.value = false;
+		emit('refresh');
 	} catch (err: any) {
-    useMessage().error(err?.msg || '更新材料失败')
+		useMessage().error(err?.msg || '更新材料失败');
 	} finally {
-    submitting.value = false
+		submitting.value = false;
 	}
-}
+};
 
 const emit = defineEmits<{
-  (e: 'refresh'): void
-}>()
+	(e: 'refresh'): void;
+}>();
 
 defineExpose({
 	open,
-})
+});
 </script>
 
 <style scoped lang="scss">