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使用 javaScript 编写倒计时小程序,到时提交表单
<script type="text/javascript">
var countdown = 10; // 倒计时秒数
function settime(val) {
if (countdown == 0) {
document.getElementById("Form").submit()
} else {
val.setAttribute("disabled", true);
min = Math.floor(countdown / 60) // 所剩分钟数
seconds = countdown % 60; // 所剩秒数
val.value = "倒计时(" + min + ":" + seconds + ")";
countdown--;
}
setTimeout(function() {
settime(val)
}, 1000)
}
</script>
<input type="button" id="btn" value="开始计时" onclick="settime(this)" />
<form id="Form"
action="${pageContext.request.contextPath}/test.do"
method="post">
<input type="text" name="name"/>
</form>