<a onclick="editRow(this)" data-toggle="modal" data-target="#modalRowEdit">修改</a>
 
// js
function editRow(obj) {
     var colData = dataTable1.row(obj.parentNode.parentNode).data();
     // $('#modalRowEdit').modal('show');  最终调用该方法显示modal
     buildForm(colData);
}

<button class="btn btn-primary pull-right col-sm-1" id="newData">新建</button>
 
// js
$("#newData").on('click', function() {
       // $('#modalRowEdit').modal('show');  最终调用该方法显示modal
       buildForm();
});