【网站优化苏州】图片按钮提交与表单重复提交问题探讨

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<form action=”” method=”get”>
<input />
<input type=”image” src=”login.gif” />
</form>

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<form action=”” method=”get”>
<input />
<input type=”image” src=”login.gif” />
</form>

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<input type=”SUBMIT”>

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<form action=”” method=”get”>
<input />
<img src=”login.gif” />
</form>

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<input type=”image” src=”bt.gif”>

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<input type=”image” src=”bt.gif”>

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<script language=”JavaScript”>
function test(){
for(i=0;i<document.getElementsByName(‘t1’).length;i++)
document.getElementsByName(‘t1’)[i].disabled=true;
}
</script>
<form method=”post” action=”1.htm” target=”_blank” onsubmit=”test()”>
<input type=”image” src=””>
<input type=”image” src=””>
<input type=”image” src=””>
</form>

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<input type=”image” src=”xxx.gif”>