关于servlet,以下这段是什么意思?
来源:百度知道 编辑:UC知道 时间:2024/07/06 13:22:09
package aaa;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TestServlet extends HttpServlet
{
public void service(HttpServletRequest req, HttpServletResponse res)
{
try
{
String fowd = "";
//get the from's data
String parm1 = req.getParameter("name_param1");
String parm2 = req.getParameter("name_param2");
//do some thing
//forword eg
if (fowd.equals("success"))
{
this.forward("/success.jsp",req, res);
}
else if (fowd.equals(&q
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TestServlet extends HttpServlet
{
public void service(HttpServletRequest req, HttpServletResponse res)
{
try
{
String fowd = "";
//get the from's data
String parm1 = req.getParameter("name_param1");
String parm2 = req.getParameter("name_param2");
//do some thing
//forword eg
if (fowd.equals("success"))
{
this.forward("/success.jsp",req, res);
}
else if (fowd.equals(&q
根据获取的
name_param1
name_param2
分别处理不同操作转向到
success
failed
成功=default.jsp
以及版权保护页
(非专业回答)
哪里不明白?
try
{
String fowd = "";
//get the from's data
String parm1 = req.getParameter("name_param1"); //从request中提取名为"name_param1"的变量的值,赋给param1
String parm2 = req.getParameter("name_param2"); //从request中提取名为"name_param2"的变量的值,赋给param2
//do some thing //这里做的事,可能改变了fowd的值
//forword eg
if (fowd.equals("success")) //如果fowd的值为"success"
{
this.forward("/success.jsp",req, res); //跳转到页面success.jsp(这里调用了下面的foward方法)
}
else if (fowd.equals("failed")) //如果fowd的值为"failed"
{
this.forward("/failed.jsp",req, res); //跳转到页面failed.jsp
}
else ////如果fowd的值不是"success"也不是"failed"
{
this.forward("/default.jsp&