将某字段做本地存储（缓存）eg：项目字段

存储字段

eg：

<script type="text/javascript">

$('#option_btn').change(function () {
    project_id = $('#option_btn').val();
    var project_ids = $('#option_btn').val();
    localStorage.setItem('project_id', project_ids)
    $('#table').bootstrapTable('refresh');
});
<script>
-------------------------------------
取出字段信息

<script type="text/javascript">

localStorage.getItem('project_id')

<script>