Spring boot + thymeleaf th:href带参跳转及接受

a th:href="@{‘/record_details/‘+${record.id}}" target="_blank">        
    i>img th:src="@{imgs/default.jpg}" alt="标题图片">i>
    h2 th:text="${record.title}">Titleh2>
a>

@GetMapping("/record_details/{recordId}")
    public String showRecordDetails(Model model, @PathVariable(name="recordId") int recordId) {
        System.out.println("_______________________"+recordId+"______________________");
        pens.Record record = recordRepository.findOne(recordId);
        System.out.println(record);
        model.addAttribute("recorddetail", record);
        return "record_details";
    }

a th:href="@{/record_details(recordId=${record.id})}" target="_blank">
    i>img th:src="@{imgs/default.jpg}" alt="标题图片">i>
    h2 th:text="${record.title}">Titleh2>
a>

@GetMapping("/record_details")
    public String showRecordDetails(Model model, @RequestParam(name="recordId") int recordId) {
        System.out.println("_______________________"+recordId+"______________________");
        pens.Record record = recordRepository.findOne(recordId);
        System.out.println(record);
        model.addAttribute("recorddetail", record);
        return "record_details";
    }