在js中的url进行encodeURIComponent编码：dd_ddtj_sub.jsp?shrxm="+encodeURIComponent(shrxm1)+"&lxdh="+encodeURIComponent(lxdh1)
后台service进行encode编码和decode解码：shrxm= java.net.URLEncoder.encode(shrxm, "UTF-8");
  shrxm= java.net.URLDecoder.decode(shrxm,"UTF-8");