jsp传值到controller，值不在地址栏显示

$("#works_1").attr("src","/manager/base/school/getSchoolListByRegionID/"+treeNode.regionId);

 @RequestMapping(value="/getRegionListByparentID/{parentID}",produces = "application/json;charset=UTF-8")
    @ResponseBody
    public List<BaseRegion> allRegion(@PathVariable("parentID") Integer parentID) {
	
    	System.out.print("======RAENTID IS======="+parentID+"====");
    	BaseRegion myRegion = new BaseRegion();
    	myRegion.setParentId(parentID);
    	System.out.print(myRegion);
    	List<BaseRegion> regionList=rgService.selectRegion(myRegion);
       return regionList;
	}