feat: 基础信息弹窗新增"发起采购申请"按钮, 跳转采购管理自动预填物料+默认审批人

- material/list.vue: 弹窗头部新增"发起采购申请"按钮, 携带物料信息跳转/purchase
- purchase/index.vue: onMounted读取URL参数自动弹窗并预填物料
- purchase/index.vue: fetchDefaultApprover取当前用户上一次采购申请的审批人作为默认值
- 商家链接placeholder去掉"选填"字样

inventory-web/src/views/purchase/index.vue

@@ -138,7 +138,7 @@
           </el-col>
           <el-col :span="24">
             <el-form-item label="商家链接">
-              <el-input v-model="form.supplier_link" placeholder="商家地址链接（选填）" clearable />
+              <el-input v-model="form.supplier_link" placeholder="商家地址链接" clearable />
             </el-form-item>
           </el-col>
           <el-col :span="24">
@@ -235,6 +235,7 @@
 
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
+import { useRoute } from 'vue-router'
 import { Refresh, Plus } from '@element-plus/icons-vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { useUserStore } from '@/stores/user'
@@ -372,21 +373,55 @@ const handlePageChange = (p: number) => { page.value = p; fetchData() }
 const handleSizeChange = (s: number) => { pageSize.value = s; page.value = 1; fetchData() }
 
 // --- 新建 ---
-const openCreateDialog = () => {
+const openCreateDialog = (prefill?: { materialId?: number; name?: string; spec?: string; unit?: string }) => {
   dialogTitle.value = '新建采购申请'
   form.value = {
-    name: '', spec_model: '', quantity: 1,
+    name: prefill?.name || '',
+    spec_model: prefill?.spec || '',
+    quantity: 1,
     purchase_date: new Date().toISOString().split('T')[0],
     supplier_link: '', remark: '',
     unit_price: undefined, total_price: undefined,
     approver_id: undefined, images: []
   }
-  materialBaseId.value = null
-  materialOptions.value = []
-  autoFillHint.value = ''
+
+  if (prefill?.materialId) {
+    materialBaseId.value = prefill.materialId
+    // 预填物料选项以便显示选中状态
+    materialOptions.value = [{
+      id: prefill.materialId,
+      name: prefill.name || '',
+      spec_model: prefill.spec || ''
+    }]
+    if (prefill.spec) {
+      form.value.spec_model = prefill.spec
+    }
+    autoFillHint.value = `已从基础信息【${prefill.name || ''}】带入，请补充采购信息`
+  } else {
+    materialBaseId.value = null
+    materialOptions.value = []
+    autoFillHint.value = ''
+  }
+
   fileList.value = []
   totalPriceManuallyEdited.value = false
   formDialogVisible.value = true
+
+  // 异步加载默认审批人（取当前用户上一次采购申请的审批人）
+  fetchDefaultApprover()
+}
+
+// 获取当前用户上一次采购申请的审批人作为默认值
+const fetchDefaultApprover = async () => {
+  try {
+    const res: any = await getPurchaseList({ page: 1, limit: 1, status: undefined })
+    const items = res?.data?.items || []
+    if (items.length > 0 && items[0].approver_id) {
+      form.value.approver_id = items[0].approver_id
+    }
+  } catch (e) {
+    // 静默失败，用户可手动选择
+  }
 }
 
 // --- 物料搜索（分页） ---
@@ -602,9 +637,22 @@ const confirmReject = async () => {
 }
 
 // --- 初始化 ---
+const route = useRoute()
+
 onMounted(() => {
   fetchData()
   fetchApprovers()
+
+  // 从基础信息跳转过来的参数
+  const query = route.query
+  if (query.material_id) {
+    openCreateDialog({
+      materialId: Number(query.material_id),
+      name: (query.name as string) || '',
+      spec: (query.spec as string) || '',
+      unit: (query.unit as string) || ''
+    })
+  }
 })
 </script>