SpringMVC后台json数据前台ajax获取不到！！！急求解答！！！

Question

//后端
@RestController
@RequestMapping(value = "/loan")
public class LoanApplyController extends BaseController {

    @Resource
    private LoanApplyService loanApplyService;
    
    //购车申请审核模块
    @RequestMapping(value = "apply/all", method = RequestMethod.GET)
    public XaResult<List<LoanApplyVo>> queryAllApply(Integer pageSize, Integer currentPage) throws BusinessException {
        Page<LoanApplyBo> page = this.loanApplyService.selectAllApply(pageSize, currentPage);
        return XaResult.success(page, LoanApplyVo.convert(page.getRows()));
    }
//前端
$(".item li").click(function(){
		console.log($(this).val());
		var id=$(this).val();
		$.ajax({
			url:"/loan/apply/all",	//写自己的后台地址
			data:{id:id},
			dataType:'json',
			type:'get',
			success:function(data){	//接受json数据
				console.log(data.dataList[0].id);
			}	
		})
		
	});

Answer 1

@RequestMapping(value = "apply/all", method = RequestMethod.GET) @ResponseBody