基于jeecg-boot的flowable流程跳转功能实现

<!--跳转流程-->
    <a-modal :z-index="100" :title="jumpTitle" @cancel="jumpOpen = false" :visible.sync="jumpOpen" :width="'40%'" append-to-body>
      <el-form ref="jumpForm" :model="jumpForm" label-width="160px">
        <el-form-item label="跳转节点" prop="jumpType" :rules="[{ required: true, message: '请选择跳转节点', trigger: 'blur' }]">
          <a-table
            size="middle"
            :columns="jumpNodeColumns"
            :loading="jumpNodeLoading"
            :pagination="false"
            :dataSource="jumpNodeData"
            :rowKey="(record) => record.id"
            :rowSelection="{ selectedRowKeys: selectedRowKeys, onChange: onSelectChange ,type:'radio' }"
          />
        </el-form-item>
        
        <el-form-item label="处理意见" prop="comment" :rules="[{ required: true, message: '请输入处理意见', trigger: 'blur' }]">
          <el-input type="textarea" v-model="jumpForm.comment" placeholder="请输入处理意见" />
        </el-form-item>
        <el-form-item label="附件"  prop="commentFileDto.fileurl">
          <j-upload v-model="jumpForm.commentFileDto.fileurl"   ></j-upload>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="jumpOpen = false">取 消</el-button>
        <el-button type="primary" @click="jumpComplete(true)">确 定</el-button>
      </span>
    </a-modal>

/** 跳转 */
      handleJump() {
        this.jumpOpen = true;
        this.jumpTitle = "跳转流程";
        this.jumpNodeLoading = true
        userTaskList({ taskId: this.taskForm.taskId }).then((res) => {
          this.jumpNodeLoading = false
          this.jumpNodeData = res.result
        })
      },
      jumpComplete() {
        if (this.selectedRows.length < 1) {
          this.$message.warning('请选择跳转节点')
          return
        }
        // 流程信息
        this.jumpForm.deployId = this.$route.query && this.$route.query.deployId;
        this.jumpForm.taskId = this.$route.query && this.$route.query.taskId;
        this.jumpForm.procInsId = this.$route.query && this.$route.query.procInsId;
        this.jumpForm.instanceId = this.$route.query && this.$route.query.procInsId;
        // 初始化表单
        this.jumpForm.procDefId = this.$route.query && this.$route.query.procDefId;
        this.jumpForm.businessKey = this.$route.query && this.$route.query.businessKey;
        this.jumpForm.category = this.$route.query && this.$route.query.category;
        this.jumpForm.dataId = this.$route.query && this.$route.query.businessKey;
        //节点类型
        this.jumpForm.nodeType = this.$route.query && this.$route.query.nodeType;
        //online表单id和数据id
        this.jumpForm.onlineId = this.$route.query && this.$route.query.onlineId;
        if (this.jumpForm.category === 'online') {
          this.jumpForm.onlineDataId = this.$route.query && this.$route.query.businessKey;
        }  
        //对formdesigner后续加签审批的时候需要用到
        this.jumpForm.values = this.taskForm.values;
        //目标选择的节点信息
        this.jumpForm.targetActId = this.selectedRows[0].id;
        this.jumpForm.targetActName = this.selectedRows[0].name;
        console.log("this.jumpForm=",this.jumpForm);
        jumpTask(this.jumpForm).then(res => {
          if (res.success) {
            this.$message.success('跳转成功')
            this.jumpOpen = false;
            this.goBack();
          } else {
            this.$message.error('跳转失败：' + res.message)
          }
        });
      },
      
      /**
       * 跳转节点列表选择
       */
      onSelectChange (selectedRowKeys, selectedRows) {
        this.selectedRowKeys = selectedRowKeys
        this.selectedRows = selectedRows
      },

@Override
  @Transactional(rollbackFor = Exception.class)
  public void jumpTask(FlowTaskVo flowTaskVo) {
    //校验任务是否存在
    Task task = taskService.createTaskQuery().taskId(flowTaskVo.getTaskId()).singleResult();
        //当前节点id
        String currentActId = task.getTaskDefinitionKey();
        //获取流程实例id
        String processInstanceId = task.getProcessInstanceId();
        //当前活动节点名称（任务名称）
        String currentActName = task.getName();
        //获取当前操作人姓名
        SysUser loginuser = iFlowThirdService.getLoginUser();
        String name = loginuser.getRealname();
        String type = FlowComment.JUMP.getType();
        //添加跳转意见 name + "将任务跳转到【" + targetActName + "】，跳转原因：" + comment + ";";
        taskService.addComment(task.getId(), processInstanceId, type,"当前任务["+currentActName +"]由" + name + "跳转到[" + flowTaskVo.getTargetActName() + "]，跳转原因：" + flowTaskVo.getComment());
        //执行跳转操作
        runtimeService.createChangeActivityStateBuilder()
                .processInstanceId(processInstanceId)
                .moveActivityIdTo(currentActId, flowTaskVo.getTargetActId()).changeState();
    
  }
  @Override
  public Result userTaskList(FlowTaskVo flowTaskVo) {
    List<UserTaskVo> resultList = new ArrayList<UserTaskVo>();
      
        // 当前任务 task
        Task task = taskService.createTaskQuery().taskId(flowTaskVo.getTaskId()).singleResult();
        // 获取流程定义信息
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionId(task.getProcessDefinitionId()).singleResult();
        //根据流程定义获取deployment
        String deploymentId = processDefinition.getDeploymentId();
        Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(deploymentId).singleResult();
        if (ObjectUtil.isEmpty(deployment)) {
            throw new FlowableException("流程还没布置");
        }
        //获取bpmnModel并转为modelNode
        BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
        //获取主流程
        Process mainProcess = bpmnModel.getMainProcess();
        //获取用户任务节点类型，深入子流程
        mainProcess.findFlowElementsOfType(UserTask.class, true).forEach(userTask -> {
          UserTaskVo userTaskResult = new UserTaskVo();
          userTaskResult.setId(userTask.getId());
          userTaskResult.setProcessDefinitionId(processDefinition.getId());
          userTaskResult.setName(userTask.getName());
          resultList.add(userTaskResult);
        });
        return Result.OK(resultList);
  }