form的动态提交

 var param = {};
        param.P_YEAR = 1;
        param.P_MONTH = 2;
        param.DATA = JSON.stringify({name:'helloworld',sex:'男'});
        var url = "/lsLineController.do?exportEngjobsplan&P_YEAR=" +  param.P_YEAR + "&P_MONTH=" + param.P_MONTH ;
        $('
+ url + '">
         +  param.DATA + '\'' + ' name="DATA"/> >      ').appendTo('body').submit().remove();