回退-任务

yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/BpmTaskController.java

@@ -76,4 +76,13 @@ public class BpmTaskController {
         taskService.updateTaskAssignee(getLoginUserId(), reqVO);
         return success(true);
     }
+    @PutMapping("/back")
+    @ApiOperation(value = "回退")
+//    @PreAuthorize("@ss.hasPermission('bpm:task:back')")
+    public CommonResult<Boolean> backTask(@Valid @RequestBody BpmTaskUpdateAssigneeReqVO reqVO) {
+        //先硬编码到 回退到第一个审批节点
+        String destinationTaskDefKey = "task01";
+        taskService.backTask(reqVO.getId(),destinationTaskDefKey);
+        return success(true);
+    }
 }

yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmTaskService.java

@@ -76,6 +76,12 @@ public interface BpmTaskService {
      * @param reqVO 不通过请求
      */
     void rejectTask(Long userId, @Valid BpmTaskRejectReqVO reqVO);
+    /**
+     * 回退任务
+     *
+     * @param taskId 任务编号
+     */
+    void backTask(String taskId,String destinationTaskDefKey);
 
     /**
      * 将流程任务分配给指定用户

yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmTaskServiceImpl.java

@@ -17,6 +17,7 @@ import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
 import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
 import lombok.extern.slf4j.Slf4j;
 import org.flowable.engine.HistoryService;
+import org.flowable.engine.RuntimeService;
 import org.flowable.engine.TaskService;
 import org.flowable.engine.history.HistoricProcessInstance;
 import org.flowable.engine.runtime.ProcessInstance;
@@ -51,6 +52,8 @@ public class BpmTaskServiceImpl implements BpmTaskService{
     @Resource
     private TaskService taskService;
     @Resource
+    private RuntimeService runtimeService;
+    @Resource
     private HistoryService historyService;
 
     @Resource
@@ -203,6 +206,16 @@ public class BpmTaskServiceImpl implements BpmTaskService{
                 .setResult(BpmProcessInstanceResultEnum.REJECT.getResult()).setComment(reqVO.getComment()));
     }
 
+    @Override
+    public void backTask(String taskId,String destinationTaskDefKey) {
+        Task currentTask = taskService.createTaskQuery().taskId(taskId).singleResult();
+
+        runtimeService.createChangeActivityStateBuilder()
+                .processInstanceId(currentTask.getProcessInstanceId())
+                .moveActivityIdTo(currentTask.getTaskDefinitionKey(), destinationTaskDefKey)
+                .changeState();
+    }
+
     @Override
     public void updateTaskAssignee(Long userId, BpmTaskUpdateAssigneeReqVO reqVO) {
         // 校验任务存在

yudao-module-bpm/yudao-module-bpm-impl-flowable/src/test/java/cn/iocoder/yudao/module/bpm/LeaveFormKeyTest.java

@@ -87,6 +87,23 @@ public class LeaveFormKeyTest extends AbstractOATest {
 
     }
 
+    /**
+     * 任意流程的跳转
+     */
+    @Test
+    public void taskJump(){
+        // 当前任务
+        String taskId="ddd";
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        String assignee = "下一个自由跳转人";
+        taskService.setAssignee(taskId,assignee);
+        // 自由跳转
+        String taskDefKey="目标-任务名称";
+        //moveActivityIdTo的两个参数，源任务key,目标任务key
+        runtimeService.createChangeActivityStateBuilder().processInstanceId(task.getProcessInstanceId()).moveActivityIdTo(task.getTaskDefinitionKey(), taskDefKey).changeState();
+
+    }
+
     /**
      * 领导驳回后申请人取消申请
      */

yudao-ui-admin/src/api/bpm/task.js

@@ -39,6 +39,13 @@ export function rejectTask(data) {
     data: data
   })
 }
+export function backTask(data) {
+  return request({
+    url: '/bpm/task/back',
+    method: 'PUT',
+    data: data
+  })
+}
 
 export function updateTaskAssignee(data) {
   return request({

yudao-ui-admin/src/views/bpm/processInstance/detail.vue

@@ -109,7 +109,7 @@ import store from "@/store";
 import {decodeFields} from "@/utils/formGenerator";
 import Parser from '@/components/parser/Parser'
 import {createProcessInstance, getProcessInstance} from "@/api/bpm/processInstance";
-import {approveTask, getTaskListByProcessInstanceId, rejectTask, updateTaskAssignee} from "@/api/bpm/task";
+import {approveTask, getTaskListByProcessInstanceId, rejectTask, updateTaskAssignee,backTask} from "@/api/bpm/task";
 import {getDate} from "@/utils/dateUtils";
 import {listSimpleUsers} from "@/api/system/user";
 import {getActivityList} from "@/api/bpm/activity";
@@ -406,7 +406,15 @@ export default {
     },
     /** 处理审批退回的操作 */
     handleBack(task) {
-      this.$modal.msgError("暂不支持【退回】功能！");
+      const data = {
+        id: task.id,
+        assigneeUserId: 1
+      }
+      // this.$modal.msgError("暂不支持【--退回】功能！");
+      backTask(data).then(response => {
+        this.$modal.msgSuccess("回退成功！");
+        this.getDetail(); // 获得最新详情
+      });
     }
   }
 };