b2科目四模拟试题多少题驾考考爆了怎么补救
b2科目四模拟试题多少题 驾考考爆了怎么补救

serverlet_esclipse 编serverlet_什么是serverlet

电脑杂谈  发布时间:2016-12-29 21:03:40  来源:网络整理

<body>

<form action="servlet/Myserverlet" method="get">//这个action很重要,路径一定不要写错

<input type=text></input>

<input type="submit" value="确定"></input>

</form>

</body>

2、serverlet代码:

package hall;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class Myserverlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

PrintWriter out = response.getWriter();

out.print(" This is ");

out.println(request.getParameter("name"));

out.flush();

out.close();

}

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

PrintWriter out = response.getWriter();

out.print(" This is ");

out.println(request.getParameter("name"));

out.flush();

out.close();

}

}

解释:doGet方法和doPost方法,表示将要选择哪种方式来处理jsp页面提交过来的参数,

jsp页面method="get",就采用doget方法处理,method="post"就采用dopost方法处理。

3、web.xml配置

<servlet>

<servlet-name>Myserverlet</servlet-name>

<servlet-class>hall.Myserverlet</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>Myserverlet</servlet-name>

<url-pattern>/servlet/Myserverlet</url-pattern>//注意这个地方和jsp实际路径的不同,jsp少个"/".

</servlet-mapping>

我从来不认为工作流可以“自定义”,所以Fire Workflow是面向开发人员的。Fire Workflow和Spring、Hibernate一样,是一个或几个普普通通的jar包,嵌入到系统中,用以解决系统开发中工作流领域的问题。serverlet


本文来自电脑杂谈,转载请注明本文网址:
http://www.pc-fly.com/a/jisuanjixue/article-23858-1.html

相关阅读
    发表评论  请自觉遵守互联网相关的政策法规,严禁发布、暴力、反动的言论

    热点图片
    拼命载入中...