老师求解页面无法正常显示

问题描述:

页面无法正常显示

<servlet-name>student</servlet-name>

<servlet-class>com.imooc.servlet.StudentServlet</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>student</servlet-name>

<url-pattern>/student</url-pattern>

</servlet-mapping>

package com.imooc.servlet;  import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter;  public class StudentServlet extends HttpServlet {     @Override     protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {         String name = request.getParameter("name");         String mobile = request.getParameter("mobile");         String sex = request.getParameter("sex");         String[] specs = request.getParameterValues("spec");         PrintWriter out = response.getWriter();         out.println("<h1>name:" + name + "<h1/>");         out.println("<h1>mobile:" + mobile + "<h1/>");         out.println("<h1>sex:" + sex + "<h1/>");         for (String spec : specs) {             out.println("<h2>spec:" + spec + "</h2>");         }     } }

<!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <title>Student</title> </head> <body> <h1>学生信息登记表</h1> <form action="/student">     姓名：<input name="name"/>     <br/>     手机：<input name="mobile"/>     <br/>     性别：     <select name="sex" style="width: 100px;padding: 5px;margin: 5px">         <option value="male">男</option>         <option value="female">女</option>     </select>     特长：     <input type="checkbox" name="spec" value="English"/>英语     <input type="checkbox" name="spec" value="Program"/>编程     <input type="checkbox" name="spec" value="Speech"/>演讲     <input type="checkbox" name="spec" value="Swimming"/>游泳     <br/>     <input type="submit" value="提交"> </form> </body> </html>

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