1.在D盘建立一个hello文件夹,文件夹中有WEB-INF和Display.jsp两个文件
2.WEB-INF中有web.xml文件和lib、classes两个文件夹
3.classes中有\com\inspur\servlet文件夹,最里层为servletdemo.class
服务器用tomcat ,配置好<Context path="/helloapp" docBase="D:/hello" debug="0" reloadable="true"/>
端口为7070Display.jsp内容为
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
import="java.sql.*" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="hel" method="post">
<input type=text name="username">
<input type=submit value="submit">
</form>
</body>
</html>
servletdemo.class内容为
package com.inspur.servlet;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 servletdemo extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String name=request.getParameter("username");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.println(name);
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}web.xml内容为
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">]
<servlet>
<servlet-name>servlet</servlet-name>
<servlet-class>com.inspur.servlet.servletdemo</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet</servlet-name>
<url-pattern>/hel</url-pattern>
</servlet-mapping>
</web-app>
2.WEB-INF中有web.xml文件和lib、classes两个文件夹
3.classes中有\com\inspur\servlet文件夹,最里层为servletdemo.class
服务器用tomcat ,配置好<Context path="/helloapp" docBase="D:/hello" debug="0" reloadable="true"/>
端口为7070Display.jsp内容为
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
import="java.sql.*" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="hel" method="post">
<input type=text name="username">
<input type=submit value="submit">
</form>
</body>
</html>
servletdemo.class内容为
package com.inspur.servlet;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 servletdemo extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String name=request.getParameter("username");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.println(name);
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}web.xml内容为
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">]
<servlet>
<servlet-name>servlet</servlet-name>
<servlet-class>com.inspur.servlet.servletdemo</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet</servlet-name>
<url-pattern>/hel</url-pattern>
</servlet-mapping>
</web-app>
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我觉得这句配置有很大的嫌疑。 楼主把hello文件夹放到tomcat的webapps文件夹下,去掉这句配置试试。
+1 你这是练习盲狙啊 ! 你干脆dos下编程得了
错误:
HTTP Status 404 - /helloapp/Display.jsp--------------------------------------------------------------------------------type Status reportmessage /helloapp/Display.jspdescription The requested resource (/helloapp/Display.jsp) is not available.
--------------------------------------------------------------------------------Apache Tomcat/5.5.17