控制用户输入字符的个数

代码为：  fla素材下载，swf下载
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in_txt.maxChars=10;
in_txt.addEventListener("keyUp",chkNum);
function chkNum(me:KeyboardEvent) {
    if (in_txt.length<in_txt.maxChars) {
        var oNum = in_txt.maxChars - in_txt.text.length;
        var num=in_txt.text.length;
        msg_txt.text="已输入 " + num + " 个字";
        msg_txt.appendText(",尚可输入" + oNum + "个字");
    }
}




posted @ 2013-01-03 14:45  thero  阅读(228)  评论(0)  编辑  收藏  举报