| Servlet3.0是Java EE6规范的一部分所以说使用注解需要在JAVA EE6以上 （Tomact7.0全面支持注解） |
package servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet("/reg") public class StuRegServlet extends HttpServlet { private static final long serialVersionUID = 1L; @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // 设置请求字符集 req.setCharacterEncoding("UTF-8"); // 获取表单提交的元素（单值元素） String name = req.getParameter("stuName"); String sex = req.getParameter("sex"); String city = req.getParameter("city"); String comment = req.getParameter("comment"); // 获取表单提交的元素（多值元素） String[] subArr = req.getParameterValues("subject"); // 设置响应内容类型和字符集 resp.setContentType("text/html;charset=UTF-8"); // 获取响应输出流 PrintWriter out = resp.getWriter(); out.write("<!DOCTYPE html>"); out.write(" <html>"); out.write(" <head>"); out.write(" <title>学生信息页面</title>"); out.write(" <meta charset='UTF-8'/>"); out.write(" </head>"); out.write(" <body>"); out.write(" <h2>学生信息如下：</h2>"); String subjectString = "暂无所学课程"; if (subArr != null) { subjectString = ""; for (String s : subArr) { subjectString += s + ","; } } out.write(" <p>" + name + sex + "居住地为：" + city + "所学课程有：" + subjectString + " 个人介绍：" + comment + "</p>"); out.write(" </body>"); out.write(" </html>"); out.flush(); out.close(); } }