防止短时间内重复提交表单数据js约束

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防止短时间内重复提交表单数据js约束

<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) {
//600是一个时间值
    document.formsubmitf.mypretime.value=mysec;
} else {
  alert(' 请勿重复提交！请耐心等待！谢谢合作！');
  return false; }
document.forms.formsubmitf.submit();
}
</script>
</head>
<body>
<BODY BGCOLOR="#FFFFFF">
<center><font color=red size=5>javascript防止表单重复提交</font></center>
<form name=formsubmitf id ="the" method="post" action="receiveresubmit.jsp">
<input type=hidden name='mypretime' value='0'>
<table width="459" height="266" border="0" align="center" cellpadding="0" cellspacing="0">
  <tr>
     <td bgcolor="F7FCFE"><div align="left"></div></td>
    <td bgcolor="F7FCFE" class="s"> </td>
    <td height="18" bgcolor="F7FCFE"><div align="center"> </div></td>
    <td bgcolor="F7FCFE"> </td>
    <td height="18" bgcolor="F7FCFE"> </td>
  </tr>
  <tr>
    <td bgcolor="F7FCFE"> </td>
    <td bgcolor="F7FCFE" class="s">用户名：<font color="#FF0000" >*</font></td>
    <td height="18" bgcolor="F7FCFE"><div align="center">
        <input name="user_nickname" type="text" size="20">
      </div></td>
    <td bgcolor="F7FCFE" class="s"> </td>
    <td height="18" bgcolor="F7FCFE"> </td>
  </tr>
  <tr>
    <td width="80" height="18" bgcolor="F7FCFE"> </td>
    <td width="90" height="18" bgcolor="F7FCFE" class="s"><div align="left">密
        码： <font color="#FF0000" >*</font></div></td>
    <td width="180" height="18" bgcolor="F7FCFE"><div align="center">
        <input name="user_psw" type="password" size="20">
      </div></td>
    <td width="100" height="18" bgcolor="F7FCFE" class="s">（不能少于4位）</td>
    <td bgcolor="F7FCFE"> </td>
  </tr>
  <tr>
    <td height="18" bgcolor="F7FCFE"> </td>
    <td height="18" bgcolor="F7FCFE" class="s">重填密码：<font color="#FF0000" >*</font>
    </td>
    <td height="18" bgcolor="F7FCFE"><div align="center">
        <input name="user_psw1" type="password" size="20">
      </div></td>
    <td height="18" bgcolor="F7FCFE"> </td>
    <td bgcolor="F7FCFE"> </td>
  </tr>
  <tr>
    <td bgcolor="F7FCFE"> </td>
    <td bgcolor="F7FCFE" class="s">电话：</td>
    <td height="18" bgcolor="F7FCFE"><div align="center">
        <input name="user_phone" type="text" size="20">
      </div></td>
    <td bgcolor="F7FCFE"> </td>
    <td bgcolor="F7FCFE"> </td>
  </tr>
</table>
<center>
<input type="button" value="写好了" name="button1" class="4round" onclick='formsubmit()'>
 <font class="red">(请按一次，耐心等待！)</font> 
<input type="reset" value="重写" name="button2" class="4round">
</center>
</form>
</body>
</html>

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原文地址：https://www.cnblogs.com/926803/p/1494057.html