js 路径中带有中文参数

var systime=dt_sysdate.getValue("systime");

var filename = "bjjj_背景"+systime;

var url="../ktgl/edit_bjjj.jsp?filename="+filename;

window.open(encodeURI(url));

服务端： new String(filename.getBytes("iso-8859-1"), "utf-8");