flash数字数的AS3 (count the number of characters in dynamic text field)要制作一个flash,内容为计算字数.在stage上有一个dynamic text field为"My email address is XXXX@XXX.XXX,(email-dtf)在下方有一个空白的dynamic text field
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![flash数字数的AS3 (count the number of characters in dynamic text field)要制作一个flash,内容为计算字数.在stage上有一个dynamic text field为](/uploads/image/z/14636686-22-6.jpg?t=flash%E6%95%B0%E5%AD%97%E6%95%B0%E7%9A%84AS3+%28count+the+number+of+characters+in+dynamic+text+field%29%E8%A6%81%E5%88%B6%E4%BD%9C%E4%B8%80%E4%B8%AAflash%2C%E5%86%85%E5%AE%B9%E4%B8%BA%E8%AE%A1%E7%AE%97%E5%AD%97%E6%95%B0.%E5%9C%A8stage%E4%B8%8A%E6%9C%89%E4%B8%80%E4%B8%AAdynamic+text+field%E4%B8%BA%22My+email+address+is+XXXX%40XXX.XXX%2C%28email-dtf%29%E5%9C%A8%E4%B8%8B%E6%96%B9%E6%9C%89%E4%B8%80%E4%B8%AA%E7%A9%BA%E7%99%BD%E7%9A%84dynamic+text+field)
flash数字数的AS3 (count the number of characters in dynamic text field)要制作一个flash,内容为计算字数.在stage上有一个dynamic text field为"My email address is XXXX@XXX.XXX,(email-dtf)在下方有一个空白的dynamic text field
flash数字数的AS3 (count the number of characters in dynamic text field)
要制作一个flash,
内容为计算字数.
在stage上有一个dynamic text field为"My email address is XXXX@XXX.XXX,(email-dtf)
在下方有一个空白的dynamic text field作为之后会出现"Your email address is XX characters long." (feedback_dtf)
请问这样的AS要怎么写?
目前只会写这个
feedback_dtf.text="Your email address is" + (something magical goes here) + "characters long.";
完整的应该怎么写?
flash数字数的AS3 (count the number of characters in dynamic text field)要制作一个flash,内容为计算字数.在stage上有一个dynamic text field为"My email address is XXXX@XXX.XXX,(email-dtf)在下方有一个空白的dynamic text field
这里给第一个你说的dynamic text field命名为:targetField
那么你的feedback_dtf.text那句则改为以下几句:
var preStringLength:int="My email address is ".length; //获得除EMAIL以外的文字前缀成
var emailString:String=targetField.text.substring(preStringLength); //得到EMAIL字符串,截取文本框中前缀长度开始的位置
feedback_dtf.text="Your email address is" + emailString.length + "characters long.";
如果还有进一步的需求,好好研究一下AS3自带帮助文档中关于String类的方法吧