如何将HTML编码的字符串转换为普通字符串？

问题描述

某些互联网地址是html编码的，我想解码为普通字符串。例如，http％3A％3D％3Dgoogle％2Ecom到http://google.com。我该怎么办？

Some internet addresses are html encoded and I want to decode to normal strings. For example http%3A%3D%3Dgoogle%2Ecom to http://google.com. How can I do simply?

推荐答案

using System.Net; // add this at the top of your code file
// the code to decode:
string input = "http%3A%3D%3Dgoogle%2Ecom";
string decoded = WebUtility.UrlDecode(input);

WebUtility类不存在在旧版本中，如果您使用较旧的.NET版本，请添加对System.Web的引用并使用此代码：

The WebUtility class doesn't exist in older versions, so if you use an older .NET version, add a reference to System.Web and use this code:

using System.Web; // add this at the top of your code file
// the code to decode:
string input = "http%3A%3D%3Dgoogle%2Ecom";
string decoded = HttpUtility.UrlDecode(input);

注意：上面的代码转换它进入 http：== google.com 而不是 http://google.com ，因为％3D 不代表斜线。如果你想要斜杠，请使用％2F 。

Note: the above code transforms it into http:==google.com and not http://google.com, because %3D doesn't represent a slash. Use %2F if you want a slash.

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