jeecg fuzzy query

  @RequestMapping(params = "datagrid")
        public void datagrid(StudentsEntity student, HttpServletRequest request, HttpServletResponse response, DataGrid dataGrid) {
 
            String school = student.getSchool();
            String stuName = student.getStuName();
            String stuGrade = student.getStuGrade();
            String stuClass = student.getStuClass();
            CriteriaQuery cq = new CriteriaQuery(StudentsEntity.class, dataGrid);
            if(StringUtils.isNotEmpty(school)) {
                cq.add(Restrictions.sqlRestriction("school like '%" + school + "%'"));
            }
            if(StringUtils.isNotEmpty(stuName)) {
                cq.add(Restrictions.sqlRestriction("stu_name like '%" + stuName + "%'"));
            }
            if(StringUtils.isNotEmpty(stuGrade)) {
                cq.add(Restrictions.sqlRestriction("stu_grade like '%" + stuGrade + "%'"));
            }
            if(StringUtils.isNotEmpty(stuClass)) {
                cq.add(Restrictions.sqlRestriction("stu_class like '%" + stuClass + "%'"));
            }
 
            this.studentsService.getDataGridReturn(cq, true);
            TagUtil.datagrid(response, dataGrid);

}