thymeleaf 获取项目路径

<p th:text=${salecode}></p>

<a th:href="${#httpServletRequest.getScheme()+'://'+#httpServletRequest.getServerName()+':'+#httpServletRequest.getServerPort()+#httpServletRequest.getContextPath()+'/icon/'+salecode } "
></a>

效果图如下：

自己当笔记用，不给坏人用