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JavaScript中避免Form重复提交的两种方案2011-12-231、javascript ,设置一个变量,只允许提交一次。

<script language="javascript">
var checkSubmitFlg = false;
function checkSubmit()
{
if (checkSubmitFlg == true)
{
return false;
}
checkSubmitFlg = true;
return true;
}
document.ondblclick =
function docondblclick()
{
window.event.returnValue = false;
}
document.onclick =
function doconclick()
{
if (checkSubmitFlg)
{
window.event.returnValue = false;
}
}
</script>
<html:form action="myAction.do"
method="post" onsubmit="return checkSubmit();">

2、javascript,将提交按钮或者image置为disable

<html:form action="myAction.do"
method="post"
onsubmit="getElById("submitInput")
.disabled = true;
return true;
">

<html:image
styleId="submitInput"
src="images/ok_b.gif"
border="0" />

</html:form>