Related configuration file using relative path

1. Use Request:
   $ {} indicates the service address pageContext.request.contextPath

<script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.12.0.min.js"></script>
<a href="<%=request.getContextPath() %>/home.jsp" class="navbar-brand"><span class="glyphicon glyphicon-home"></span></a>

2. Use c Tags:

    <link href="<c:url value='/css/bootstrap.min.css'/>" rel="stylesheet">
    <link href="<c:url value='/css/left.css'/>" rel="stylesheet">
    <script type="text/javascript" src="<c:url value='/js/jquery-1.12.0.min.js'/>" ></script>
    <script type="text/javascript" src="<c:url value='/js/bootstrap.min.js'/>"></script>