我只想在用户选择建议时在文本框中显示自动完成建议的值。我试过了$("#trainerNameAutoComplete").autocomplete({source:"serverpage.php?id="+1,minLength:1,focus:function(event,ui){$("#trainerNameAutoComplete").val('');},keypress:function(event,ui){if((event.which==38||event.Keycode==38)||(event.which==40||event.Keycode==40)){console