可能重复:
__VIEWSTATE 持有什么?
我正在研究我公司网站的代码,我看到以下内容:
基本上,代码是这样的:
<div>
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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....... ETC... ETC. ... VURrv" />
</div>
为什么会有人这样做?这和混淆有什么关系吗?