Java 在jsp中插入非编码html代码
我有一个jsp页面，它在get参数Java 在jsp中插入非编码html代码,java,jsp,url,encoding,get,Java,Jsp,Url,Encoding,Get,我有一个jsp页面，它在get参数mystring中接受一个字符串： http://localhost:8080/MyApp/index.jsp?mystring= 我正在尝试将此字符串放入 <body> <pre> <%= request.getParameter("mystring") %> </pre> </body> 我做错了什么？有没有什么方法可以不用编码就显示html 我只需要发送一个GET请求。不是
mystringhttp://localhost:8080/MyApp/index.jsp?mystring=
<body>
<pre>
<%= request.getParameter("mystring") %>
</pre>
</body>
我做错了什么？有没有什么方法可以不用编码就显示html
- 我只需要发送一个GET请求。不是发帖请求
- 没有javascript
对url进行编码后，如下所示：
http://localhost:8080/SnippetImage/image.jsp?code=%3cspan...
请注意，URL字符串中不存在参数mystring
。因此，您的jsp页面将不会提取任何内容
还请注意，有一个，我只是猜测，但看起来你可能会遇到一个硬限制。如果是，则此编码返回的方式可能无法预测 试试这个：
您意识到您已经在使用javascript了，对吗？我的jsp中没有脚本。我只需要像文本一样在pre标记中显示它。所以你想像文本一样显示html，对吗？@Raman。对但是只在标签里面。也许你可以看看这个答案：干杯！很抱歉我的输入错误..该url将mystring作为参数名。可能是url长度有问题..我将尝试使用小字符串检查它。当您执行jsp页面时，浏览器中的javascript是否已关闭？另外，当您在收到的html响应上“查看源代码”时，您看到了什么？整个响应是空白的，或者您看到了结尾，以及您在错误日志中看到了什么？因为如果没有返回响应，那么jsp在服务器端失败。
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http://localhost:8080/SnippetImage/image.jsp?mystring=%3cspan+class%3d%22tag%22%3e%26lt%3bscript%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3ewindow%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e.%3c%2fspan%3e%3cspan+class%3d%22pln%22%3eserq%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%5b%5d%3b%3c%2fspan%3e%3cspan+class%3d%22typ%22%3eStackExchange%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%7b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3eready%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3a%3c%2fspan%3e%3cspan+class%3d%22kwd%22%3efunction%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e(%3c%2fspan%3e%3cspan+class%3d%22pln%22%3ef%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e)%7b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3eserq%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e.%3c%2fspan%3e%3cspan+class%3d%22pln%22%3epush%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e(%3c%2fspan%3e%3cspan+class%3d%22pln%22%3ef%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e)%7d%7d%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3b%2fscript%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%0a%0a++++%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3btitle%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3eGet+SVG+representation+of+div+using+jQuery+SVG+-+Stack+Overflow%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3b%2ftitle%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3blink%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3erel%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22shortcut+icon%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3ehref%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22http%3a%2f%2fcdn.sstatic.net%2fstackoverflow%2fimg%2ffavicon.ico%22%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3blink%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3erel%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22apple-touch-icon%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3ehref%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22http%3a%2f%2fcdn.sstatic.net%2fstackoverflow%2fimg%2fapple-touch-icon.png%22%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3blink%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3erel%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22search%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3etype%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22application%2fopensearchdescription%2bxml%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3etitle%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22Stack+Overflow%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3ehref%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22%2fopensearch.xml%22%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a%0a%0a++++%0a%0a++++%0a%0a++++%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3blink%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3erel%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22stylesheet%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3etype%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22text%2fcss%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3ehref%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22http%3a%2f%2fcdn.sstatic.net%2fstackoverflow%2fall.css%3fv%3d691f98480525%22%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3bmeta%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3ename%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%22relativepagescore%22%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3econtent%3c%2fspan%3e%3cspan+class%3d%22pun%22%3e%3d%3c%2fspan%3e%3cspan+class%3d%22atv%22%3e%225555%22%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26gt%3b%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e%0a%0a++++%3c%2fspan%3e%3cspan+class%3d%22tag%22%3e%26lt%3blink%3c%2fspan%3e%3cspan+class%3d%22pln%22%3e+%3c%2fspan%3e%3cspan+class%3d%22atn%22%3erel%3c%2fspan%3e%3cspan+class%3d%22pun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<%= request.getParameter("mystring").replaceAll("<","<").replaceAll(">",">") %>