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不用代码防文字被拷贝和分析"

有个网站很厉害,上面的文字不能拷贝,看了一下,居然是这样的东西:
<span > </span>
其中的字符还都以控制符开头,Ascii 07/02等等,可能因为控制符的关系Windows剪切板就不支持了,于是不能Copy。这里还设定了字符大小是0,也就是不显示,所以在浏览器里看不到,在文章中隔两行插入一个,就基本防了拷贝了。

不得不说,相当地有创意,真是个人才啊。当然还可以存下html然后搞点处理。

然后我想到,这一招应该可以用来防Firewall,平时关键字要插入不规则符号的地方,现在可以加上这个span标签,让它不显示出来,效果要好看多了,但对fw来说还是不能辩认。我这里采用全角的空格,不用什么控制符了,这样也能拷贝,无非多个空格而已。并且这个符号不常见,替换也比较容易。
11/16/2006 8:46:23 PM Post by [Blog on 27th Floor]

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