项目这bug找半天了找不到

设置分配用户组时报错

img

 <insert id="attachGroupToUser">
        insert into t_user_group(user_id, group_id) value(#{uid},#{gid})
    </insert>

这里uid找不到Parameter 'uid' not found. Available parameters are [arg1, arg0, param1, param2]

@Override
    public int setGroups(Integer userId, List<Integer> groupIds) {
        userMapper.deleteUserGroupAllocation(userId);
        for (Integer groupId : groupIds){
            userMapper.attachGroupToUser(userId,groupId);
        }
        return 0;
    }
$('.allocation').click(function () {
            let userId = $("#allc_id").val();
            var groupIds = [];
            let checks = $treeview.treeview('getChecked');
            console.log(checks);
            $.each(checks, function (index, item) {
                if (item.parentId!==undefined) {
                    console.log(item.tags);
                    groupIds.push(item.tags);
                }
            });
            // s = JSON.stringify(s);
            if (groupIds.length < 1) {
                alert("至少选择一个");
            } else {
                let result = {userId: userId,groupIds: groupIds};
                console.log(result);
                if (confirm("确定添加这些数据么")) {
                    alert("添加数据:" + result);
                    // window.location.reload();
                    //ajax发送异步请求
                    $.ajax({
                        url:  "/owep/user/adminList/treeCheck_edit",
                        method: "post",
                        data: JSON.stringify(result),
                        dataType: "text",
                        async: false,
                        contentType: "application/json",
                        success: function (data) {
                            /!*重新加载本页面*!/
                            window.location.reload();
                            alert(data);
                        },
                        error: function (jqXRH) {
                            console.log(jqXRH);
                            alert("设置未同步")
                        }
                    })
                }
            }
            console.log("分配,提交。");
            //$('#form_allocation').submit();
        });
let $treeview = $('#treeview_allocation');
        function getTreeView() {
            let url = "/owep/user/adminList/treeCheck";
            let id = $("#allc_id").val();
            initCheckTree($treeview, url,id);
        }

这里alert("添加数据:" + result);值获取到的都是“添加数据:[object Object]”

/***
     * @By Artherine
     * @For 修改 对应用户的 用户-用户组 关系
     * @param userGroupDTO
     * @return msg
     */
    @PostMapping(value = "/adminList/treeCheck_edit")
    @ResponseBody
    public Object postTreeCheckEdit(@RequestBody UserGroupDTO userGroupDTO) {
        System.out.println("U-G dto: " + userGroupDTO);
        Integer userId = userGroupDTO.getUserId();
        List<Integer> groupIds = userGroupDTO.getGroupIds();
        userService.setGroups(userId, groupIds);
        String result = "success";
        return result;
    }


    /***
     * @By Artherine
     * @For 为前端提供用户组多选框表 并预设当前用户的用户组关系
     * @param userId
     * @return NodeDTO(..., List < NodeDTO > nodes)
     */
    @GetMapping(value = "/adminList/treeCheck", produces = "application/json")
    @ResponseBody
    public Object getTreeCheckData(@RequestParam("id") Integer userId) {
        System.out.println("试着二=========================================");
        System.out.println("User manager adminList get Tree&Check Data");
        {//数据库数据
            List<GroupDTO> groupDTOS = groupService.selectAllGroups(0);//从库中获得所有对象
            List<Integer> groupIds = userService.getGroupIds(userId);//查询用户之前归属的用户组id
            List<NodeDTO> nodes = new ArrayList<>();
            for (GroupDTO group : groupDTOS) {//封装为NodeDTO
                NodeDTO subNode = new NodeDTO();
                Integer groupId = group.getId();
                subNode.setTags(groupId);
                subNode.setText(group.getGroupName());
                if (groupIds.contains(groupId)) {//id在记录列表中则激活此节点
                    subNode.nodeChecked();
                }
                nodes.add(subNode);//节点入列
            }
            NodeDTO topNode = new NodeDTO();//把用户组节点包装在一个父节点下
            topNode.setTags(0);
            topNode.setText("用户组");
            topNode.setNodes(nodes);
            NodeDTO[] nodeArr = new NodeDTO[1];
            nodeArr[0] = topNode;
            System.out.println("用户组节点树和状态:" + nodeArr[0]);//
            return nodeArr;

        }
    }

难住了,求详解