?? formservlet.java
字號:
package cn.edu.lg.formservlet;
//HttpServlet 屬于 javax.servlet 包下
import java.io.*;
import javax.servlet.*;
//HttpServletRequest,HttpServletResponse存放在 javax.servlet.http 包下
import javax.servlet.http.*;
public class FormServlet extends HttpServlet
{
private ServletConfig config = null;
//初始化
public void init(ServletConfig config) throws ServletException
{
this.config = config;
}
//處理Post請求
public void doGet(HttpServletRequest req,HttpServletResponse resp) throws IOException,ServletException
{
//System.out.println("----Servlet doGet處理提交參數(shù) ----");
this.doPost(req,resp);
}
//處理Post請求
public void doPost(HttpServletRequest req,HttpServletResponse resp) throws IOException,ServletException
{
//System.out.println("----Servlet doPost處理提交參數(shù) ----");
String name =req.getParameter("name");
//取得 apllication 對象
//ServletContext app = this.getServletContext();
//通過 config 對象取得
ServletContext app = this.config.getServletContext();
app.setAttribute("addr","www.bjtu.edu.cn");
//取得一個 session 對象
HttpSession session = req.getSession();
session.setAttribute("sname",name);
System.out.println("name =>"+name);
//重定向
resp.sendRedirect("demo.jsp");
}
}
/*
<servlet>
<servlet-name>form</servlet-name>
<servlet-class>cn.edu.lg.formservlet.FormServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>form</servlet-name>
<url-pattern>/formservlet</url-pattern>
</servlet-mapping>
*/
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