BPM：增加「发起人自选」的任务审批人的分配策略

src/views/bpm/processInstance/create/index.vue

@@ -54,7 +54,40 @@
           v-model="detailForm.value"
           :option="detailForm.option"
           @submit="submitForm"
-        />
+        >
+          <template #type-startUserSelect>
+            <el-col :span="24">
+              <el-card class="mb-10px">
+                <template #header>指定审批人</template>
+                <el-form
+                  :model="startUserSelectAssignees"
+                  :rules="startUserSelectAssigneesFormRules"
+                  ref="startUserSelectAssigneesFormRef"
+                >
+                  <el-form-item
+                    v-for="userTask in startUserSelectTasks"
+                    :key="userTask.id"
+                    :label="`任务【${userTask.name}】`"
+                    :prop="userTask.id"
+                  >
+                    <el-select
+                      v-model="startUserSelectAssignees[userTask.id]"
+                      multiple
+                      placeholder="请选择审批人"
+                    >
+                      <el-option
+                        v-for="user in userList"
+                        :key="user.id"
+                        :label="user.nickname"
+                        :value="user.id"
+                      />
+                    </el-select>
+                  </el-form-item>
+                </el-form>
+              </el-card>
+            </el-col>
+          </template>
+        </form-create>
       </el-col>
     </el-card>
     <!-- 流程图预览 -->
@@ -69,6 +102,7 @@ import type { ApiAttrs } from '@form-create/element-ui/types/config'
 import ProcessInstanceBpmnViewer from '../detail/ProcessInstanceBpmnViewer.vue'
 import { CategoryApi } from '@/api/bpm/category'
 import { useTagsViewStore } from '@/store/modules/tagsView'
+import * as UserApi from '@/api/system/user'
 
 defineOptions({ name: 'BpmProcessInstanceCreate' })
 
@@ -124,7 +158,6 @@ const categoryProcessDefinitionList = computed(() => {
 })
 
 // ========== 表单相关 ==========
-const bpmnXML = ref(null) // BPMN 数据
 const fApi = ref<ApiAttrs>()
 const detailForm = ref({
   rule: [],
@@ -133,17 +166,53 @@ const detailForm = ref({
 }) // 流程表单详情
 const selectProcessDefinition = ref() // 选择的流程定义
 
+// 指定审批人
+const bpmnXML = ref(null) // BPMN 数据
+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
+const startUserSelectAssigneesFormRef = ref() // 发起人选择审批人的表单 Ref
+const startUserSelectAssigneesFormRules = ref({}) // 发起人选择审批人的表单 Rules
+const userList = ref<any[]>([]) // 用户列表
+
 /** 处理选择流程的按钮操作 **/
 const handleSelect = async (row, formVariables) => {
   // 设置选择的流程
   selectProcessDefinition.value = row
 
+  // 重置指定审批人
+  startUserSelectTasks.value = []
+  startUserSelectAssignees.value = {}
+  startUserSelectAssigneesFormRules.value = {}
+
   // 情况一：流程表单
   if (row.formType == 10) {
     // 设置表单
     setConfAndFields2(detailForm, row.formConf, row.formFields, formVariables)
     // 加载流程图
-    bpmnXML.value = await DefinitionApi.getProcessDefinitionBpmnXML(row.id)
+    const processDefinitionDetail = await DefinitionApi.getProcessDefinition(row.id)
+    if (processDefinitionDetail) {
+      bpmnXML.value = processDefinitionDetail.bpmnXml
+      startUserSelectTasks.value = processDefinitionDetail.startUserSelectTasks
+
+      // 设置指定审批人
+      if (startUserSelectTasks.value?.length > 0) {
+        detailForm.value.rule.push({
+          type: 'startUserSelect',
+          props: {
+            title: '指定审批人'
+          }
+        })
+        // 设置校验规则
+        for (const userTask of startUserSelectTasks.value) {
+          startUserSelectAssignees.value[userTask.id] = []
+          startUserSelectAssigneesFormRules.value[userTask.id] = [
+            { required: true, message: '请选择审批人', trigger: 'blur' }
+          ]
+        }
+        // 加载用户列表
+        userList.value = await UserApi.getSimpleUserList()
+      }
+    }
     // 情况二：业务表单
   } else if (row.formCustomCreatePath) {
     await push({
@@ -158,19 +227,25 @@ const submitForm = async (formData) => {
   if (!fApi.value || !selectProcessDefinition.value) {
     return
   }
+  // 如果有指定审批人，需要校验
+  if (startUserSelectTasks.value?.length > 0) {
+    await startUserSelectAssigneesFormRef.value.validate()
+  }
+
   // 提交请求
   fApi.value.btn.loading(true)
   try {
     await ProcessInstanceApi.createProcessInstance({
       processDefinitionId: selectProcessDefinition.value.id,
-      variables: formData
+      variables: formData,
+      startUserSelectAssignees: startUserSelectAssignees.value
     })
     // 提示
     message.success('发起流程成功')
     // 跳转回去
     delView(unref(currentRoute))
     await push({
-      name: 'BpmProcessInstance'
+      name: 'BpmProcessInstanceMy'
     })
   } finally {
     fApi.value.btn.loading(false)