拿到某个字段不等于几的信息——java

/**
     * 学生
     * 通过状态获得所有困难学生列表
     * getSchoolLeaverList
     */
    @AutoLog(value = " 通过状态获得所有困难学生列表")
    @ApiOperation(value=" 通过状态获得所有困难学生列表", notes="通过状态获得所有困难学生列表")
    @GetMapping(value = "/getSchoolDifficult")
    /* @RequiresPermissions("stStudent:getAreas")*/
    public Result<?> getSchoolDifficult(String college ,
                                         @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
                                         @RequestParam(name="pageSize", defaultValue="10") Integer pageSize,
                                         HttpServletRequest req) {
          
   
        StStudent stStudent=new StStudent();
        stStudent.setCollege(college);
        QueryWrapper<StStudent> queryWrapper = QueryGenerator.initQueryWrapper(stStudent, req.getParameterMap());
        queryWrapper.ne("difficult","1");
        Page<StStudent> page = new Page<StStudent>(pageNo, pageSize);
        IPage<StStudent> pageList = stStudentService.page(page, queryWrapper);
        return Result.ok(pageList);
    }

ne表示不等于

queryWrapper.ne("difficult","1");