feat: support indefinite borrow period for long-term asset allocation

inventory-web/src/views/transaction/borrow.vue

@@ -97,10 +97,17 @@
                     style="width: 100%"
                     size="large"
                     value-format="YYYY-MM-DD"
+                    :disabled="isIndefinite"
                     :disabled-date="disabledDate"
                 />
               </el-form-item>
             </el-col>
+
+            <el-col :span="24">
+              <el-checkbox v-model="isIndefinite" @change="handleIndefiniteChange">
+                无限期/长期借用（不设归还期限）
+              </el-checkbox>
+            </el-col>
           </el-row>
 
           <el-form-item label="备注说明" prop="remark">
@@ -192,7 +199,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, nextTick, onUnmounted } from 'vue'
+import { ref, reactive, nextTick, onUnmounted, computed } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { Scissor, EditPen, Delete, CameraFilled, Close, Refresh, Select } from '@element-plus/icons-vue'
 import QrScanner from '@/components/QrScanner/index.vue'
@@ -246,13 +253,21 @@ const form = reactive({
   remark: ''
 })
 
-const rules = {
+const rules = computed(() => ({
   borrower_name: [
     { required: true, message: '请输入借用人姓名', trigger: 'blur' }
   ],
   expected_return_time: [
-    { required: true, message: '请选择预计归还日期', trigger: 'change' }
+    { required: !isIndefinite.value, message: '请选择预计归还日期', trigger: 'change' }
   ]
+}))
+
+const isIndefinite = ref(false)
+
+const handleIndefiniteChange = (val: boolean) => {
+  if (val) {
+    form.expected_return_time = ''
+  }
 }
 
 const disabledDate = (time: Date) => {
@@ -352,6 +367,7 @@ const clearAll = () => {
         signatureFile.value = null
         signaturePreviewUrl.value = ''
         barcodeInput.value = ''
+        isIndefinite.value = false
       })
 }
 
@@ -362,7 +378,8 @@ const submitForm = async () => {
 
   await formRef.value.validate(async (valid: boolean) => {
     if (!valid) {
-      ElMessage.error('请填写完整的必填项（姓名、归还日期）')
+      const requiredMsg = isIndefinite.value ? '请填写完整的必填项（姓名）' : '请填写完整的必填项（姓名、归还日期）'
+      ElMessage.error(requiredMsg)
       return
     }
 
@@ -378,12 +395,18 @@ const submitForm = async () => {
       const uploadRes = await uploadFile(signatureFile.value)
       const signatureUrl = uploadRes.data.url
 
+      // 处理无限期借用：如果选择了无限期，将预计归还时间置为空
+      const submitData = {
+        ...form,
+        expected_return_time: isIndefinite.value ? null : form.expected_return_time
+      }
+
       await request({
         url: '/v1/transactions/borrow',
         method: 'post',
         data: {
           items: cartItems.value,
-          ...form,
+          ...submitData,
           signature_path: signatureUrl
         }
       })
@@ -396,6 +419,7 @@ const submitForm = async () => {
       signatureFile.value = null
       signaturePreviewUrl.value = ''
       showCamera.value = false
+      isIndefinite.value = false
 
     } catch (error: any) {
       console.error(error)