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#2
黄旗2012-09-09 15:48
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<html>
<body>
<script language="vbscript">
n=0
do
n=inputbox("请输入一个数:")
if a=0 then
exit do
else n=n+a
document.write n&"<br>"
end if
loop
</script>
</body>
</html>