feat： 增加案例流程，业务表单发起时选择审批人

src/views/bpm/oa/leave/create.vue

@@ -1,4 +1,5 @@
 <template>
+  <ContentWrap :bodyStyle="{ padding: '10px 20px 0' }">
     <el-row :gutter="20">
       <el-col :span="16"
         ><el-form
@@ -44,6 +45,7 @@
           </el-form-item>
         </el-form></el-col
       >
+      <!-- 新增    ====== begin ======== -->
       <el-col :span="8"
         ><!-- 流程时间线 -->
         <ProcessInstanceTimeline
@@ -53,18 +55,21 @@
           @select-user-confirm="selectUserConfirm"
         />
       </el-col>
+      <!-- 新增    ====== end ======== -->
     </el-row>
+  </ContentWrap>
 </template>
 <script lang="ts" setup>
 import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
 import * as LeaveApi from '@/api/bpm/leave'
 import { useTagsViewStore } from '@/store/modules/tagsView'
 import * as DefinitionApi from '@/api/bpm/definition'
+//  新增    ====== begin ========
 import ProcessInstanceTimeline from '../../processInstance/detail/ProcessInstanceTimeline.vue'
 import * as ProcessInstanceApi from '@/api/bpm/processInstance'
 import { CandidateStrategy, NodeId } from '@/components/SimpleProcessDesignerV2/src/consts'
 import { ApprovalNodeInfo } from '@/api/bpm/processInstance'
-
+//  新增    ====== end ========
 defineOptions({ name: 'BpmOALeaveCreate' })
 
 const message = useMessage() // 消息弹窗
@@ -90,10 +95,11 @@ const formRef = ref() // 表单 Ref
 const processDefineKey = 'oa_leave' // 流程定义 Key
 const startUserSelectTasks = ref([]) // 发起人需要选择审批人的用户任务列表
 const startUserSelectAssignees = ref({}) // 发起人选择审批人的数据
+//  新增    ====== begin ========
 const tempStartUserSelectAssignees = ref({}) // 历史发起人选择审批人的数据，用于每次表单变更时，临时保存
 const activityNodes = ref<ProcessInstanceApi.ApprovalNodeInfo[]>([]) // 审批节点信息
 const processDefinitionId = ref('')
-
+//  新增    ====== end ========
 /** 提交表单 */
 const submitForm = async () => {
   // 校验表单
@@ -130,32 +136,14 @@ const submitForm = async () => {
   }
 }
 
-/** 预测流程节点会因为输入的参数值而产生新的预测结果值，所以需重新预测一次 */
-watch(
-  formData.value,
-  (newValue) => {
-    // if (newValue && Object.keys(newValue.value).length > 0) {
-    //   // 记录之前的节点审批人
-    //   tempStartUserSelectAssignees.value = startUserSelectAssignees.value
-    //   startUserSelectAssignees.value = {}
-    //   // 加载最新的审批详情
-    //   getApprovalDetail({
-    //     id: processDefinitionId,
-    //     processVariablesStr: JSON.stringify(newValue.value) // 解决 GET 无法传递对象的问题，后端 String 再转 JSON
-    //   })
-    // }
-  },
-  {
-    immediate: true
-  }
-)
-
+//  新增    ====== begin ========
 /** 获取审批详情 */
 const getApprovalDetail = async (row: any) => {
   try {
     const data = await ProcessInstanceApi.getApprovalDetail({
       processDefinitionId: row.id,
-      activityId: NodeId.START_USER_NODE_ID
+      activityId: NodeId.START_USER_NODE_ID,
+      processVariablesStr: row.processVariablesStr // 解决 GET 无法传递对象的问题，后端 String 再转 JSON
     })
 
     if (!data) {
@@ -190,6 +178,7 @@ const getApprovalDetail = async (row: any) => {
 const selectUserConfirm = (id: string, userList: any[]) => {
   startUserSelectAssignees.value[id] = userList?.map((item: any) => item.id)
 }
+//  新增    ====== end ========
 
 /** 初始化 */
 onMounted(async () => {
@@ -204,6 +193,36 @@ onMounted(async () => {
   }
   processDefinitionId.value = processDefinitionDetail.id
   startUserSelectTasks.value = processDefinitionDetail.startUserSelectTasks
-  getApprovalDetail({ id: processDefinitionId.value, processVariablesStr:  JSON.stringify(formData.value)  })
+  //  新增    ====== begin ========
+  // 查询流程预测节点
+  getApprovalDetail({
+    id: processDefinitionId.value,
+    processVariablesStr: JSON.stringify(formData.value)
   })
+  //  新增    ====== end ========
+})
+//  新增    ====== begin ========
+/** 预测流程节点会因为输入的参数值而产生新的预测结果值，所以需重新预测一次 */
+watch(
+  formData.value,
+  (newValue, oldValue) => {
+    if (!oldValue) {
+      return
+    }
+    if (newValue && Object.keys(newValue).length > 0) {
+      // 记录之前的节点审批人
+      tempStartUserSelectAssignees.value = startUserSelectAssignees.value
+      startUserSelectAssignees.value = {}
+      // 加载最新的审批详情
+      getApprovalDetail({
+        id: processDefinitionId.value,
+        processVariablesStr: JSON.stringify(newValue) // 解决 GET 无法传递对象的问题，后端 String 再转 JSON
+      })
+    }
+  },
+  {
+    immediate: true
+  }
+  //  新增    ====== end ========
+)
 </script>