JS金融文本框

最新推荐文章于 2025-07-12 09:14:37 发布

DrugScropion

最新推荐文章于 2025-07-12 09:14:37 发布

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分类专栏： JS|JQ|CSS 文章标签：金融 function xhtml javascript 输入法 input

本文链接：https://blog.youkuaiyun.com/ScorpionFZ/article/details/6784114

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>金融软件文本框禁用非法字符特效-2011-04-26</title>
    <style type="text/css">
        .ime
        {
            ime-mode: disabled; /**只对IE有效，禁用输入法切换**/
            width:300px;
        }
    </style>
    <script language="javascript" type="text/javascript">

        function isValiNum(k) {
            return (k == 9 || k == 13 || k == 46 || k == 8 || k == 189 || k == 190 || k == 110 || (k >= 48 && k <= 57) || (k >= 96 && k <= 105) || (k >= 37 && k <= 40));
        }

        function numKeyDown() {
		var k = window.event.keyCode;
			if(k==86) {
				return numPaste();
			}            
            //判断输入字符是否合法；调用isValiNum函数；
            return isValiNum(k);
        }

        function numPaste() {
            //从剪切板中获取数据；
            var text = window.clipboardData.getData("Text");
            for (var i = 0; i < text.length; i++) {
                var asc = text.charCodeAt(i);   //转成ASCII值；
                if (!isValiNum(asc)) {
					alert("您的粘贴内容有非法字符");
                    return false;
                }
            }
        }

        //自动给输入的数据加逗号；
        function commafy(n) {
            var re = /\d{1,3}(?=(\d{3})+$)/g;
            var n1 = n.replace(/^(\d+)((\.\d+)?)$/, function (s, s1, s2) { return s1.replace(re, "{1},") + s2; });
            return n1;
        }
    </script>
</head>
<body>
    <input id="txtCode" type="text" class="ime" onpaste="return numPaste()" onkeydown="return numKeyDown()" onfocus="this.style.textAlign='right'; this.value=this.value.replace(/,/g,'');" onblur="this.style.textAlign='right';this.value=commafy(this.value)" />
</body>
</html>