asp.net 去除viewstate第1/2页
来源：不详 责任编辑：栏目编辑 发表时间:2013-07-01 14:14 点击:次
看下这段代码：
生成了这么多的一段东西，这段东西对seo一点好处也没有。而我要做的就是去掉它，但有一点，去掉但不能让它原来的控件和内容都发生变化，比如说不能使用等等。所以我要做的仅仅是用另一种方式去保存这些数据。这是一段用base64编码的数据而并不是加密，我很好奇到底放了些什么东西在这里面。下面我开始破解这段代码。代码如下：
string str = "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";
byte[] barray;
barray = Convert.FromBase64String(str);
UTF8Encoding utf8 = new UTF8Encoding();
Response.Write(utf8.GetString(barray));
结果如下：
�
-681859587dfdddf Text 玩具分类d _!ItemCount0fdf785车系
生成了这么多的一段东西，这段东西对seo一点好处也没有。而我要做的就是去掉它，但有一点，去掉但不能让它原来的控件和内容都发生变化，比如说不能使用等等。所以我要做的仅仅是用另一种方式去保存这些数据。这是一段用base64编码的数据而并不是加密，我很好奇到底放了些什么东西在这里面。下面我开始破解这段代码。代码如下：
[复制此代码]CODE:
string str = "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";
byte[] barray;
barray = Convert.FromBase64String(str);
UTF8Encoding utf8 = new UTF8Encoding();
Response.Write(utf8.GetString(barray));
结果如下：
[复制此代码]CODE:
�
-681859587dfdddf Text 玩具分类d _!ItemCount0fdf785车系
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