86 lines
2.8 KiB
Java
86 lines
2.8 KiB
Java
//package com.demo;
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//
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//import java.io.*;
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//import javax.servlet.*;
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//import javax.servlet.http.*;
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//import javax.servlet.annotation.WebServlet;
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//import com.demo.Student;
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//
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//@WebServlet("/firstservlet")
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//public class FirstServlet extends HttpServlet {
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// private ServletContext context;
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//
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// @Override
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// public void init(ServletConfig config) throws ServletException {
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// super.init(config);
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// context = getServletContext();
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// }
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//
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// @Override
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// protected void doGet(HttpServletRequest request, HttpServletResponse response)
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// throws ServletException, IOException {
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// doPost(request, response);
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// }
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//
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// @Override
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// protected void doPost(HttpServletRequest request, HttpServletResponse response)
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// throws ServletException, IOException {
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// // 设置编码
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// request.setCharacterEncoding("UTF-8");
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// response.setCharacterEncoding("UTF-8");
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// response.setContentType("text/html;charset=UTF-8");
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//
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// // 获取参数并进行空值检查
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// String snumber = request.getParameter("snumber");
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// String sname = request.getParameter("sname");
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//
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// if (snumber != null && sname != null) {
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// // 转换编码
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// snumber = new String(snumber.getBytes("UTF-8"), "UTF-8");
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// sname = new String(sname.getBytes("UTF-8"), "UTF-8");
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//
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// // 创建学生对象
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// Student stud = new Student(snumber, sname);
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// request.setAttribute("stud", stud);
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//
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// // 转发请求
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// RequestDispatcher view = request.getRequestDispatcher("/secondservlet");
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// view.forward(request, response);
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// } else {
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// // 参数为空时的处理
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// response.getWriter().println("错误：学号或姓名不能为空！");
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// }
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// }
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//}
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package com.demo;
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import java.io.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import javax.servlet.annotation.WebServlet;
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@WebServlet("/FirstServlet")
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public class FirstServlet extends HttpServlet {
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public void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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// 获取表单参数
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String sno = request.getParameter("sno");
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String name = request.getParameter("name");
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// 创建Student对象
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Student student = new Student(sno, name);
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// 将Student对象存储在ServletContext中
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ServletContext context = getServletContext();
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context.setAttribute("student", student);
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// 转发请求到SecondServlet
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RequestDispatcher dispatcher = context.getRequestDispatcher("/SecondServlet");
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dispatcher.forward(request, response);
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}
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}
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