学习spring mabits

</pre>@Pathvariable注解绑定它传过来的值到方法的参数上。<p></p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; font-family: arial, 'courier new', courier, 宋体, monospace, 'Microsoft YaHei'; white-space: pre-wrap; word-wrap: break-word; font-size: 14px; color: rgb(51, 51, 51); line-height: 24px; background-color: rgb(243, 255, 236);"></p><pre name="code" class="java" style="color: rgb(51, 51, 51); font-size: 14px; line-height: 24px;">    @RequestMapping(value="edit/{id}")    public String edit(Model model, @PathVariable Long id){        model.addAttribute("role", roleDao.getById(id));        return "system/role-edit";    }