java 使用 Servlet 创建超链接
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Create hyperlink using Servlet
提问by hook38
I am new to Servlet, and this might be a dumb question, but I've been searching for a solution online for a long time, but still cannot find an answer. I am trying to insert a link using servlet. Everyday said simply use:
我是 Servlet 的新手，这可能是一个愚蠢的问题，但我已经在网上搜索了很长时间的解决方案，但仍然找不到答案。我正在尝试使用 servlet 插入链接。每天说简单地使用：
//response is the HttpServiceResponse
PrintWriter out = response.getWriter();
out.println("<A HREF=\"http://www.something.com\">link</A>");
however, every time when I do that, all the < turn into '<'; which was really annoying. Please let me know how to solve this? I am running my code on eclipse(Indigo), would that be a factor?
但是，每次我这样做时，所有 < 都会变成 '<'; 这真的很烦人。请让我知道如何解决这个问题？我在 eclipse(Indigo) 上运行我的代码，这会是一个因素吗？
Thank you
谢谢
回答by Jigar Joshi
Well this isnt' the way to use Servlet.. if you just need to put static link don't use java simple HTML is enough .
好吧，这不是使用 Servlet 的方式。如果您只需要放置静态链接，请不要使用 java 简单的 HTML 就足够了。
Or in case you need dynamic URL then
或者，如果您需要动态 URL，则
from Servlet
来自 Servlet
request.setAttribute("urlID",someValue);
//forward the request to jsp
on jsp
在jsp上
<a href="http://staticPartOfURl?id=${urlID}"> click me</a>
回答by jirka.pinkas
Your code should definitely work. I just tested it on Eclipse Indigo and bare Apache Tomcat 7. There must be something else that does the translation (for example some filter, servlet etc.).
您的代码绝对可以工作。我刚刚在 Eclipse Indigo 和裸 Apache Tomcat 7 上对其进行了测试。必须有其他东西可以进行转换（例如某些过滤器、servlet 等）。
Jigar Joshi is also right - you shouldn't try to it this way anyway. Much cleaner is splitting this code to two parts - Servlet and JSP as shown.
Jigar Joshi 也是对的——无论如何你都不应该尝试这样做。更清晰的是将此代码分为两部分 - Servlet 和 JSP，如图所示。
