获取指定li下input框的值 | jQuery

　　获取指定li下input框的值 | jQuery；

                        <div class="portlet-body">
                            <div class="scroller" style="height: 339px;" data-always-visible="1" data-rail-visible="0">
                                <ul class="feeds" id="locate_task">
                                    {% for task in alltask %}
                                        <li id="{{ task.task_id }}">
                                            {% if task.pop %}
                                                <a href="" data-toggle="modal" data-target="#static01">
                                                <input id="task_id" type="text" value="{{ task.task_id }}" hidden>
                                                <input id="process_name" type="text" value="{{ task.process_name }}" hidden>
                                                <input id="send_time" type="text" value="{{ task.send_time }}" hidden>
                                                <input id="sign_role" type="text" value="{{ request.user.username }}" hidden>
                                            {% else %}
                                                <a href="{{ task.myurl }}">
                                            {% endif %}
                                            <div class="col1">
                                                <div class="cont">
                                                    <div class="cont-col1">
                                                        <div class="label label-sm label-success">
                                                            <i class="fa fa-bell-o"></i>
                                                        </div>
                                                    </div>
                                                    <div class="cont-col2">
                                                        <div class="desc"> {{ task.content }}
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                            <div class="col2">
                                                <div class="date"> {{ task.time }} </div>
                                            </div>
                                            </a>
                                        </li>

                                    {% endfor %}
                                </ul>
                            </div>
                        </div>

$("ul#locate_task").on("click", " li", function () {
    var task_id = $(this).attr("id");
    $("#mytask").val($("#a".replace("a", task_id)).find("input#task_id").val());
    $("#processname").val($("#a".replace("a", task_id)).find("input#process_name").val());
    $("#sendtime").val($("#a".replace("a", task_id)).find("input#send_time").val());
    $("#signrole").val($("#a".replace("a", task_id)).find("input#sign_role").val());
});