为什么通过超链接访问的路径不对呢
学生信息展示页面
<form action="student/listStu"method="post">
<div class="condition">
<input type="text" name="stuNo" placeholder="请输入学号" />
<input type="text" name="stuName" placeholder="请输入姓名" />
<button type="submit">
<i class="fa fa-search"></i>
查询
</button>
</div>
</form>
<table class="tableList">
<thead>
<tr>
<th>学号</th>
<th>ID</th>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
<th>班级</th>
<th>入学时间</th>
<th width="120px">操作</th>
</tr>
</thead>
<c:forEach items="${List1}" var="stu">
<tr>
<td>${stu.stuNo}</td>
<td>${stu.stuId}</td>
<td>${stu.stuName}</td>
<td>${stu.stuGender}</td>
<td>${stu.stuAge}</td>
<td>${stu.stuClassId}</td>
<td>${stu.stuEntreTime}</td>
<td>
<a href="${pageContext.request.contextPath}/student/modifyStudent?stuId=${stu.stuId}">修改</a>
</td>
</tr>
</c:forEach>
</table>
我的文件目录结构