PageHelper分页失效

问题：

问题原因：

解决：

@PostMapping("/list")
    @ResponseBody
    public TableDataInfo list(BorrowerInfo borrowerInfo)
    {
        borrowerInfoService.selectBorrowerInfoList(borrowerInfo);
        startPage();
        List<BorrowerInfo> list1 = borrowerInfoService.selectBorrowerInfoListRun(borrowerInfo);
        return getDataTable(list1);
    }