根据点击的元素在同一页面中填充表单，该元素由jstl生成

<c:forEach var="i" begin="0" end="3" step="1">
<div class="col-md-3" style="margin-right: 0% !important">
    <a href="/go.html?url=#" class="thumbnail book">
        <%                                              
        String TCurlI = "Def";
        String idImgIII = "null";
        pageContext.setAttribute("TCurlI", new String(TCurlI));
        pageContext.setAttribute("idImgIII", new String(idImgIII));
        %>
        <c:if test="${not empty sessionScope.livresTC[i].titre }">
            <c:set var="TCurlI" value="${sessionScope.livresTC[i].titre }"></c:set>
            <c:set var="idImgIII" value="${sessionScope.livresTC[i].numInventaire }"></c:set>
        </c:if>

        <img id="${idImgIII }" src="../media/Pics/<c:out value="${TCurlI }"></c:out>.jpg" alt="image" >

    </a>
</div>
<c:forEach var="i" begin="0" end="3" step="1">