HTML中奇怪的数字和字母数组

Question

我一直在网页的页面源中获取此输出

<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />

我不知道那是什么吗？

Answer 1

它是ASP.NET的viewstate。 这就是ASP.NET跟踪表单项具有哪些值和属性的方式。 来自微软 ：

简而言之，Microsoft®ASP.NET视图状态是ASP.NET网页用于在回发之间持久保存Web窗体状态更改的技术。

Answer 2

这就是页面上控件的viewstate，它们会用回发所需的数据来填充它。

如果您的页面不回发，则可以通过以下方法禁用viewtstate：

EnableViewState = false; 用于页面上的控件。

Answer 3

这是一种ASP.net机制，用于存储数据/信息/值：

简而言之，Microsoft®ASP.NET视图状态是ASP.NET网页用于在回发之间持久保存Web窗体状态更改的技术。

http://msdn.microsoft.com/en-us/library/ms972976.aspx

Answer 4

这没什么好担心的。

请查看以下内容以获取更多信息：

了解ASP.NET视图状态