自认为是js大神的进小白勿入，后果自负

te.closest(elmObj.selector).length==0 && te.closest(elmCobj.selector).length!=1

$(document).on('click',function(e){
                    var te=$(e.target);
                    if(te.closest(elmObj.selector).length==0 && te.closest(elmCobj.selector).length!=1) {
                        bz=true;
                        elmObj.removeClass(cur);
                        elmCobj.hide();
                    }
                });