自定义过滤/显示隐藏列

此例子为参加 Datatables中文网第一期交流学习活动 网友 逆风 提供的Demo
演示了在表头添加下拉框来过滤数据和添加自定义按钮来动态显示/隐藏指定的列( 另见
例子采用的是dom做为数据源,还实现了删除操作,checkbox多选/反选/全选

注意:大家可以根据此例子派生,实现自己项目中需要的效果

服务器名称 IP CPU/内存 数据盘大小 操作系统 状态
lsqtest 192.168.13.7 3核/1G 5G CentOS 56.5 运行中
lsqtdfest 192.168.136.56 1核/3G 3G
CentO核核核核核核核核核核核核核核核核核核核核核vS 53.5
已停止
lsfdqtest 192.165.13.56 1核/16G 2G CentOS 52.5 运行中
lsqtest 192.168.13.7 3核/1G 5G CentOS 56.5 运行中
lsqtdfest 192.18.136.56 1核/3G 13G CentOS 53.5 已停止
lsfdqtest 192.165.13.56 1核/16G 2G CntOS 52.5 运行中
lsqtest 192.168.13.7 3核/1G 5G CentOS 56.5 运行中
lsqtdfest 192.168.136.56 1核/3G 3G CentOS 53.5 已停止
aaaaaaaaaaaaaaaaaa 192.165.13.56 1核/16G 2G CentOS 52.5 运行中
bbbbbbbbbbbbbbbbbbbb 192.165.13.56 1核/16G 2G CentOS 52.5 运行中
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$(function () {
 
           var table = $('#example').DataTable({
               "dom": '<"top"f >rt<"bottom"ilp><"clear">',//dom定位
               "dom": 'tiprl',//自定义显示项
               //"dom":'<"domab"f>',
               "scrollY": "220px",//dt高度
               "lengthMenu": [
                   [8, 6, 8, -1],
                   [4, 6, 8, "All"]
               ],//每页显示条数设置
               "lengthChange": false,//是否允许用户自定义显示数量
               "bPaginate": true, //翻页功能
               "bFilter": false, //列筛序功能
               "searching": true,//本地搜索
               "ordering": true, //排序功能
               "Info": true,//页脚信息
               "autoWidth": true,//自动宽度
               "oLanguage": {//国际语言转化
                   "oAria": {
                       "sSortAscending": " - click/return to sort ascending",
                       "sSortDescending": " - click/return to sort descending"
                   },
                   "sLengthMenu": "显示 _MENU_ 记录",
                   "sZeroRecords": "对不起,查询不到任何相关数据",
                   "sEmptyTable": "未有相关数据",
                   "sLoadingRecords": "正在加载数据-请等待...",
                   "sInfo": "当前显示 _START_ 到 _END_ 条,共 _TOTAL_ 条记录。",
                   "sInfoEmpty": "当前显示0到0条,共0条记录",
                   "sInfoFiltered": "(数据库中共为 _MAX_ 条记录)",
                   "sProcessing": "<img src='../resources/user_share/row_details/select2-spinner.gif'/> 正在加载数据...",
                   "sSearch": "模糊查询:",
                   "sUrl": "",
                   //多语言配置文件,可将oLanguage的设置放在一个txt文件中,例:Javascript/datatable/dtCH.txt
                   "oPaginate": {
                       "sFirst": "首页",
                       "sPrevious": " 上一页 ",
                       "sNext": " 下一页 ",
                       "sLast": " 尾页 "
                   }
               },
 
               "columnDefs": [
                   {
                       orderable: false,
 
                       targets: 0 },
                   {
                       orderable: false,
 
                       targets: 1 }
               ],//第一列与第二列禁止排序
 
               "order": [
                   [0, null]
               ],//第一列排序图标改为默认
               initComplete: function () {//列筛选
                   var api = this.api();
                   api.columns().indexes().flatten().each(function (i) {
                       if (i != 0 && i != 1) {//删除第一列与第二列的筛选框
                           var column = api.column(i);
                           var $span = $('<span class="addselect">▾</span>').appendTo($(column.header()))
                           var select = $('<select><option value="">All</option></select>')
                                   .appendTo($(column.header()))
                                   .on('click', function (evt) {
                                       evt.stopPropagation();
                                       var val = $.fn.dataTable.util.escapeRegex(
                                               $(this).val()
                                       );
                                       column
                                               .search(val ? '^' + val + '$' : '', true, false)
                                               .draw();
                                   });
                           column.data().unique().sort().each(function (d, j) {
                               function delHtmlTag(str) {
                                   return str.replace(/<[^>]+>/g, "");//去掉html标签
                               }
 
                               d = delHtmlTag(d)
                               select.append('<option value="' + d + '">' + d + '</option>')
                               $span.append(select)
                           });
 
                       }
                   });
 
               }
 
           });
 
           //添加索引列
           table.on('order.dt search.dt',
                   function () {
                       table.column(0, {
                           search: 'applied',
                           order: 'applied'
                       }).nodes().each(function (cell, i) {
                           cell.innerHTML = i + 1;
                       });
                   }).draw();
 
           //自定义搜索
           $('.dsearch').on('keyup click', function () {
               var tsval = $(".dsearch").val()
               table.search(tsval, false, false).draw();
           });
 
           //checkbox全选
           $("#checkAll").on("click", function () {
               if ($(this).prop("checked") === true) {
                   $("input[name='checkList']").prop("checked", $(this).prop("checked"));
                   $('#example tbody tr').addClass('selected');
               } else {
                   $("input[name='checkList']").prop("checked", false);
                   $('#example tbody tr').removeClass('selected');
               }
           });
 
           //显示隐藏列
           $('.toggle-vis').on('change', function (e) {
               e.preventDefault();
               console.log($(this).attr('data-column'));
               var column = table.column($(this).attr('data-column'));
               column.visible(!column.visible());
           });
 
           //删除选中行
           $('#example tbody').on('click', 'tr input[name="checkList"]', function () {
               var $tr = $(this).parents('tr');
               $tr.toggleClass('selected');
               var $tmp = $('[name=checkList]:checkbox');
               $('#checkAll').prop('checked', $tmp.length == $tmp.filter(':checked').length);
 
           });
 
           $('#button').click(function () {
               table.row('.selected').remove().draw(false);
           });
 
           $('.showcol').click(function () {
               $('.showul').toggle();
 
           })
 
           //获取表格宽度赋值给右侧弹出层
           wt = $('.wt100').width();
           $('.showslider').css('right', -wt);
 
           //关闭右侧弹出层
           $('.closediv').click(function () {
               $(this).parent('.showslider').animate({
                   right: -wt
               }, 200)
               $('.clickdom').attr('isclick', true)
           });
 
 
       })
 
       //右侧弹出详情层
       /*  var flag=false;
        function clickDom(obj){
        var  $par=$(obj).parents('#example_wrapper').siblings('.showslider')
        var  isattr=$(obj).attr('isclick');
        if(isattr=="true"){
        if(flag){
        $par.animate({
        right:-wt
        },200)
        flag=!flag
        }
        else{
        $par.animate({
        right:0
        },200)
        flag=!flag
 
        }
        }
        $('.clickdom').attr('isclick',false)
        $(obj).attr('isclick',true)
 
 
        }
        */
       function clickDom(obj) {
           var $par = $(obj).parents('#example_wrapper').siblings('.showslider')
           var isattr = $(obj).attr('isclick');
           if (isattr == "false") {
 
           } else {
               $par.animate({
                   right: -wt
               }, 200)
               $par.animate({
                   right: 0
               }, 400)
               $('.clickdom').attr('isclick', true)
               $(obj).attr('isclick', false)
           }
 
       }
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<div class="domab">
    <div class="" style="float:right;">
        <label>
            模糊查询:
            <input type="text" class="dsearch" placeholder="" aria-controls="example"></label>
    </div>
 
    <button id="button" style="float:left;">删除选中的行</button>
    <div style="float:left; position:relative; z-index:9999;height:100%;">
        <button class="showcol">列段显示/隐藏</button>
        <ul class="showul"
            style=" list-style:none;display:none; position:absolute; left:80px; top:10px; background:#FFFFFF; border:1px solid #ccc; width:200px;">
            <li>
                <input type="checkbox" class="toggle-vis" data-column="2"/>
                服务器名称
            </li>
            <li>
                <input type="checkbox" class="toggle-vis" data-column="3"/>
                IP
            </li>
            <li>
                <input type="checkbox" class="toggle-vis" data-column="4"/>
                CPU/内存
            </li>
            <li>
                <input type="checkbox" class="toggle-vis" data-column="5"/>
                数据盘大小
            </li>
            <li>
                <input type="checkbox" class="toggle-vis" data-column="6"/>
                操作系统
            </li>
            <li>
                <input type="checkbox" class="toggle-vis" data-column="7"/>
                状态
            </li>
        </ul>
    </div>
    <div style="clear:both;"></div>
</div>
<div class="wt100" style="position:relative; overflow:hidden; height:100%">
    <table id="example" class="display" cellspacing="0" width="100%">
        <thead>
        <tr>
            <th style=" width:1px; padding:0"></th>
            <th style="width:30px; padding:10px 0 10px 10px">
                <input type="checkbox" id="checkAll"></th>
            <th>服务器名称</th>
            <th>IP</th>
            <th>CPU/内存</th>
            <th>数据盘大小</th>
            <th>操作系统</th>
            <th>状态</th>
        </tr>
        </thead>
 
        <tfoot>
        <tr>
            <th></th>
            <th></th>
            <th></th>
            <th></th>
            <th></th>
            <th></th>
            <th></th>
            <th></th>
        </tr>
        </tfoot>
        <tbody>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtest</a>
            </td>
            <td>192.168.13.7</td>
            <td>3核/1G</td>
            <td>5G</td>
            <td>CentOS 56.5</td>
            <td>运行中</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtdfest</a>
            </td>
            <td>192.168.136.56</td>
            <td>1核/3G</td>
            <td>3G</td>
            <td>
                <div style="height:21px; line-height:21px; overflow:hidden; width:100px;">CentO核核核核核核核核核核核核核核核核核核核核核vS
                    53.5
                </div>
            </td>
            <td>已停止</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsfdqtest</a>
            </td>
            <td>192.165.13.56</td>
            <td>1核/16G</td>
            <td>2G</td>
            <td>CentOS 52.5</td>
            <td>运行中</td>
        </tr>
 
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtest</a>
            </td>
            <td>192.168.13.7</td>
            <td>3核/1G</td>
            <td>5G</td>
            <td>CentOS 56.5</td>
            <td>运行中</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtdfest</a>
            </td>
            <td>192.18.136.56</td>
            <td>1核/3G</td>
            <td>13G</td>
            <td>CentOS 53.5</td>
            <td>已停止</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsfdqtest</a>
            </td>
            <td>192.165.13.56</td>
            <td>1核/16G</td>
            <td>2G</td>
            <td>CntOS 52.5</td>
            <td>运行中</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtest</a>
            </td>
            <td>192.168.13.7</td>
            <td>3核/1G</td>
            <td>5G</td>
            <td>CentOS 56.5</td>
            <td>运行中</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">lsqtdfest</a>
            </td>
            <td>192.168.136.56</td>
            <td>1核/3G</td>
            <td>3G</td>
            <td>CentOS 53.5</td>
            <td>已停止</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true" onClick="clickDom(this);">aaaaaaaaaaaaaaaaaa</a>
            </td>
            <td>192.165.13.56</td>
            <td>1核/16G</td>
            <td>2G</td>
            <td>CentOS 52.5</td>
            <td>运行中</td>
        </tr>
        <tr>
            <td></td>
            <td>
                <input type="checkbox" name="checkList"></td>
            <td>
                <a class="clickdom" href="javascript:;" isclick="true"
                   onClick="clickDom(this);">bbbbbbbbbbbbbbbbbbbb</a>
            </td>
            <td>192.165.13.56</td>
            <td>1核/16G</td>
            <td>2G</td>
            <td>CentOS 52.5</td>
            <td>运行中</td>
        </tr>
 
        </tbody>
    </table>
    <div class="showslider">
        <button class="closediv">关闭</button>
    </div>
    <style>
        .showslider {
            width: 80%;
            height: 100%;
            background-color: #fff;
            border: 1px solid #ccc;
            position: absolute;
            top: 9px;
        }
 
        .addselect {
            border-radius: 2px;
            display: inline-block;
            background-color: #ccc;
            height: 12px;
            width: 16px;
            text-align: center;
            color: #fff;
            font-size: 9px;
            font-family: Arial;
            position: relative;
            margin-left: 4px;
            cursor: pointer;
            overflow: hidden;
            vertical-align: top;
            top: 1px;
        }
 
        .addselect select {
            width: 44px;
            opacity: 0;
            position: absolute;
            left: 0;
            top: 0;
            cursor: pointer;
        }
 
        table.dataTable tbody th, table.dataTable th, table.dataTable tbody td {
            font-size: 12px;
            text-align: left;
        }
 
        table.dataTable thead th {
            padding: 0 8px;
        }
    </style>
</div>