$(".selectAll").on( "click", function(e) {
if ($(this).is( ":checked" )) {
DT1.rows( ).select();
} else {
DT1.rows( ).deselect();
}
});http://live.datatables.net/sejexuge/1/edit
http://datatables.club/example/api/select_row.html
选择行(多行)(Row selection (multiple rows))
