表單空白字元校驗! 如果使用者輸入資料 中間出現空白字元 如何校驗 該資料是非法的?
<%--
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User: Administrator
Date: //
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<script type="application/javascript" src="${pageContext.request.contextPath}/JS/jquery-1.8.3.min.js"></script>
<script>
$(function () {
//定義一個正規表達式
//定義一個标簽
var reg = /\s+/;
var flag = false;
$(":text,:password").blur(function () {
//判斷裡面的值是否為空字元串
if($(this).val()==""||reg.test($(this).val())){
flag = false;
}else {
flag = true;
}
});
//擷取點選按鈕
$(":button").click(function () {
if(flag){
$("#test").submit();
}
});
})
</script>
</head>
<body>
<form action="https://www.baidu.com" method="post" id="test">
<form action="https://www.baidu.com" method="post">
名字:<input type="text" name="名字">
密碼:<input type="password" name="密碼">
<input type="button" value="點我送出">
</form>
</form>
</body>
</html>
![jquery10 閉包示例[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)