使用JavaScript防止表单重复提交

来源：互联网发布：汽轮机软件app 编辑：程序博客网时间：2024/06/05 08:03

原理：设置一个变量，只允许提交一次传递一个隐藏参数mypretime，判断是否重复提交表单。
<%@ page contentType="text/html;charset=gb2312"%>
<html>
<head>
<script language="javascript">
function formsubmit()
{
    Today = new Date();
    var NowHour = Today.getHours();
    var NowMinute = Today.getMinutes();
    var NowSecond = Today.getSeconds();
    var mysec = (NowHour*3600)+(NowMinute*60)+NowSecond;
    if(mysec-document.formsubmitf.mypretime.value)>600)
    {
        document.formsubmitf.mypretime.valur = mysec;
    }
    else
    {
        alert("请勿反复提交！请耐心等待！谢谢合作！");
        return false;
    }
    document.forms.formsubmitf.submit();
}
</script>
</head>
<body>
<form name="formsubmitf" id="the" method="post" action=".....">
<input type="hidden" name="mypretime" value="0">//传递一个隐藏值，判断是否重复提交
.....
.....
.....
<input type="button" value="提交" name="button1" onclick="formsubmit()">
.....
.....
.....
</form>
</form>
</bordy>