新手求助,如何隐藏列，当我选择需要隐藏的列后，自动隐藏该列。
代码如下：（都是ready判断后做的）


            var oTable= $('#sample_2').DataTable({
                "processing" : true,
                "async":false,
                "ajax" : "report/ism/list",
                "data":"a", //忽略不写
                "data":"b"//忽略不写
                ]
            });
            $('#sample_2_column_toggler input[type="checkbox"]').change(function() {
                /* Get the DataTables object again - this is not a recreation, just a get of the object */
                var iCol = parseInt($(this).attr("data-column"));
                var oTable = $('#sample_2').DataTable();
                console.log(oTable.columns.length);//----------------------这行=0，没有列！
                var bVis = oTable.column(iCol).bVisible;
                console.log("set visible "+iCol +" "+bVis);
                oTable.column(iCol).visible((bVis ? false : true));
                oTable.columns.adjust().draw( false );
            });



正确写法，是什么样的？没看到js板块，来这里问。注，版本与网上的不同，写法不同。
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