搭建eclipse servlet环境
下载Eclipse
http://www.eclipse.org/
下载Tomcat Eclipse插件
http://www.eclipsetotale.com/tomcatPlugin.html
将tomcatPluginV321.zip内容解压到 Eclipse 的 plugins 目录，然后重启Eclipse
Window->Perferences->Tomcat 配置好版本目录等熟悉，记得按Apply
下载Tomcat
http://tomcat.apache.org/
测试servlet例子
File->New->New Project(java Tomcat Project)
输入 test next 再输入 test 最后finish
右键test工程，new class 包名test，类名test
超类的名称写上javax.servlet.http.HttpServlet
打开test.java ，右键test.java文件内容 source->Override/Implement Methods
选上 doGet doPost
去掉基类调用super.doGet(req, resp);
输入
PrintWriter out = new PrintWriter (resp.getOutputStream()); out.println("<html>"); out.println("<head><title>Servlet1</title></head>"); out.println("<body>hello world!"); out.println("</body></html>"); out.close();
右击PrintWriter,source->Organize Import
然后右击test工程，选择Properties->java build path->order and export 全选然确定
创建该工程的部署文件web.xml 放到test/Web-INF目录下
<?xml version="1.0" encoding="ISO-8859-1"?> <web-app> <servlet> <servlet-name>test</servlet-name> <servlet-class>test.test</servlet-class> </servlet> <servlet-mapping> <servlet-name>test</servlet-name> <url-pattern>/test/*</url-pattern> </servlet-mapping> <session-config> <session-timeout>30</session-timeout> </session-config> </web-app>
启动tomcat
访问 http://localhost:8080/test/test