var aa=getItemValueAsString("部门");
var col ="<script>";
col += "jQuery('#dataTable tr td').each(function() {"
col += "if(jQuery(this).text()=='销售部'){"
col += "jQuery(this).parent().css('background','#c7c7c7'); }"
col += "});"
col += "</script>";
var bb=aa+col;
bb;
试一下这个