根据返回值动态加载select

  // 路由
                        if (return_routeChoice != null && return_routeChoice != "") {
                            for (var i = 0; i < return_routeChoice.length; ++i) {
                                $(".routeChoice").append('<option value="' + return_routeChoice[i] + '">' + return_routeChoice[i] + '</option>');
                            }
                        }