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在 Flash (AS3) 中,我创建了一个联系表单,其中我采用了一个“提交按钮”、一个“重置按钮”、四个输入文本字段“名称、电子邮件、主题、消息”,实例名称为“contact_name、contact_email、contact_subject、联系信息”

我对 setFocus 和 killFocus 感到非常困惑。

在 AS3 中,我给出了

contact_name.text = "Name";
contact_email.text= "Email";
contact_subject.text = "Sub";
contact_message.text = "Message";

现在,当我发布此文件时,默认情况下输入文本字段显示文本“名称、电子邮件、子、消息”

现在我的要求是,如果我单击名称字段,那么文本“名称”应该消失,以便我可以输入我的姓名,然后我单击电子邮件字段,文本“电子邮件”应该同时消失,我没有想丢失在名称字段中输入的我的姓名。

如果我单击主题文本字段,文本“Sub”应该会消失,但不会丢失我输入的名称和电子邮件数据。

如果我单击消息文本字段,文本“消息”应该会消失,但我不想丢失在剩余文本字段中输入的数据。

请参阅下面的操作脚本。请帮助我找到解决方案。

动作脚本:

contact_name.text ="Name";
contact_email.text ="Email";
contact_subject.text = "Sub";
contact_message.text ="Message";
message_status.text = "";

send_button.addEventListener(MouseEvent.CLICK, submit);
reset_button.addEventListener(MouseEvent.CLICK, reset);

var timer:Timer;
var var_load:URLLoader = new URLLoader;
var URL_request:URLRequest = new URLRequest( "send_email.php" );
URL_request.method = URLRequestMethod.POST;

function submit(e:MouseEvent):void
{
if( contact_name.text == "Name" || contact_email.text == "Email" ||
    contact_subject.text == "Sub" || contact_message.text == "Message" )
{
    message_status.text = "Please fill up all text fields.";
}
else if( !validate_email(contact_email.text) )
{
    message_status.text = "Please enter the valid email address.";
}
else
{
    message_status.text = "sending...";

    var email_data:String = "name=" + contact_name.text
                   + "&email=" + contact_email.text
                   + "&subject=" + contact_subject.text
                   + "&message=" + contact_message.text;

    var URL_vars:URLVariables = new URLVariables(email_data);
    URL_vars.dataFormat = URLLoaderDataFormat.TEXT;

    URL_request.data = URL_vars;
    var_load.load( URL_request );
    var_load.addEventListener(Event.COMPLETE, receive_response );
}
}

function reset(e:MouseEvent):void
{
contact_name.text ="Name";
    contact_email.text ="Email";
    contact_subject.text = "Sub";
    contact_message.text ="Message";
    message_status.text = "";
}

function validate_email(s:String):Boolean 
{
var p:RegExp = /(\w|[_.\-])+@((\w|-)+\.)+\w{2,4}+/;
var r:Object = p.exec(s);
if( r == null ) 
{
    return false;
}
return true;
}

function receive_response(e:Event):void
{
var loader:URLLoader = URLLoader(e.target);
    var email_status = new URLVariables(loader.data).success;

if( email_status == "yes" )
{
    message_status.text = "Success! Your message was sent.";
    timer = new Timer(500);
    timer.addEventListener(TimerEvent.TIMER, on_timer);
    timer.start();
}
else
{
    message_status.text = "Failed! Your message cannot sent.";
}
}

function on_timer(te:TimerEvent):void 
{
if( timer.currentCount >= 10 )
{
    contact_name.text = contact_email.text = contact_subject.text = 
    contact_message.text = message_status.text = "";
    timer.removeEventListener(TimerEvent.TIMER, on_timer);
}
}

谢谢--vamsi

4

2 回答 2

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我会使用 focusIn 事件而不是单击,因为在您的文本字段中切换不会清空它们...此外,当您从文本字段中将 focusOut 留空时,它应该重新填充其标签文本...

var defaultText="Name";
addEventListener(FocusEvent.FOCUS_IN, function() {
   if(text==defaultText) {
      text="";
   }
}
addEventListener(FocusEvent.FOCUS_OUT, function() {
   if(text=="") {
      text=defaultText;
   }
}
于 2009-08-08T17:33:59.717 回答
0

假设您contact_name是一个Button,您可以添加一个事件侦听器,text当用户单击此字段时重置该属性。就像是:

contact_name.addEventListener(
             MouseEvent.CLICK, 
             function(e:Event):void { 
                 contact_name.text = ''; 
             }
);
于 2009-03-18T12:36:55.923 回答