老例子

$(document).ready(function() {
    $('#myTable').DataTable({
        "language": { //把提示信息中文化
            "lengthMenu": "显示 _MENU_ 条每页",
            "zeroRecords": "没有记录",
            "infoEmpty": "没有记录",
            "infoFiltered": "(filtered from _MAX_ total records)",
            "columns": [ //控制每一列的排序规则
                null,
                { "orderDataType": "dom-text", type: 'string' },
                { "orderDataType": "dom-text-numeric" },
                { "orderDataType": "dom-select" }
            ]
        },
        stateSave: true, //是否保存table状态
        "dom": '<"top"f>rt<"bottom"lp><"clear">',  //各个元素的位置
        "info":false,  //不显示分页详情
        "lengthMenu": [[10,15, 20,25,30,40, 50, -1], [10,15, 20,25,30,40, 50,"All"]]  //每页显示几条的选项
    } );
    var table = $('#myTable').DataTable();

    $('#myTable tbody').on( 'mouseenter', 'td', function () {
            var colIdx = table.cell(this).index().column;

            $( table.cells().nodes() ).removeClass( 'highlight' );
            $( table.column( colIdx ).nodes() ).addClass( 'highlight' );
        } );
} );

/* Create an array with the values of all the input boxes in a column */
$.fn.dataTable.ext.order['dom-text'] = function  ( settings, col )
{
    return this.api().column( col, {order:'index'} ).nodes().map( function ( td, i ) {
        return $('input', td).val();
    } );
};

/* Create an array with the values of all the input boxes in a column, parsed as numbers */
$.fn.dataTable.ext.order['dom-text-numeric'] = function  ( settings, col )
{
    return this.api().column( col, {order:'index'} ).nodes().map( function ( td, i ) {
        return $('input', td).val() * 1;
    } );
};

/* Create an array with the values of all the select options in a column */
$.fn.dataTable.ext.order['dom-select'] = function  ( settings, col )
{
    return this.api().column( col, {order:'index'} ).nodes().map( function ( td, i ) {
        return $('select', td).val();
    } );
};

/* Create an array with the values of all the checkboxes in a column */
$.fn.dataTable.ext.order['dom-checkbox'] = function  ( settings, col )
{
    return this.api().column( col, {order:'index'} ).nodes().map( function ( td, i ) {
        return $('input', td).prop('checked') ? '1' : '0';
    } );
};