JSP 平台搭建-安装笔记_jsp搭建平台-优快云博客

本文链接：https://blog.youkuaiyun.com/ramacess/article/details/650920

本文详细介绍如何安装配置Java环境及Tomcat服务器，并演示通过编写简单的Servlet进行测试的过程。

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logging start......

* 安装jdk-1_5_0_01-windows-i586-p.exe (http://java.sun.com/j2se/1.5.0/download.jsp)
*配置Java环境变量：
    JAVA_HOME=D:/j2sdk1.5
    classpath=.;%JAVA_HOME%/lib/dt.jar;%JAVA_HOME%/lib/tools.jar;
    path=%JAVA_HOME%/bin
we can test java compiler system by programming a Test.java before continuing//
*安装tomcat 5.0 .28(http://www.apache.org/dist/tomcat/tomcat-5/v5.0.28/bin/)
   /leave all default but set port to : 80
*配置tomcat的环境变量:
    CATALINA_HOME=D:/Apache Software Foundation/Tomcat 5.0;
    CATALINA_BASE=D:/Apache Software Foundation/Tomcat 5.0;                   classpath=.;%JAVA_HOME%/lib/dt.jar;%JAVA_HOME%/lib/tools.jar;%CATALINA_HOME%/common/lib/servlet-api.jar
/test your server like : in IE address:http://localhost:80; then tomcat wellcome page show s
* 建立自己的工作目录 webapps' directory structture to webapps/myAppDir/:
    e.g:    mkdir -p D:/Apache Software Foundation/Tomcat 5.0/webapps/myAppDir/WEB-INF
* 创建配置文件: "webapps/myAppDir/web.xml"
    <?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>My Web Application</display-name>
<description>
A application for test.
</description>
</web-app>
*测试页面: "webapps/myAppDir/index.jsp"
<html>
    <body>
        <center>
        Now time is: <%=new java.util.Date()%>
        </center>
    </body>
</html>
* 在ＩＥ中访问 : http://localhost/myAppDir/index.jsp： Now time is:Tue Apr 04 22:13:51 CST 2006
* 编写第一个 servlet: Test.java:
/* Created: 04-04-06 22:02:25 by Jin/Jun */
package test;
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 Test extends HttpServlet {
        protected void doGet(HttpServletRequest request, HttpServletResponse response)
                throws ServletException, IOException {
                PrintWriter out=response.getWriter();
                out.println("<html><body><h1>This is a servlet test.</h1></body></html>");
                out.flush();
        }
}
* 同时修改 webapps/myAppDir/web.xml for your servlet: ^caution!!!
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>My Web Application</display-name>
<description> A application for test. </description>
<servlet>
<servlet-name>Test</servlet-name>
<display-name>Test</display-name>
<description>A test Servlet</description>
<servlet-class>test.Test</servlet-class>
</servlet>
<servlet-mapping> 
<servlet-name>Test</servlet-name>
<url-pattern>/Test</url-pattern>
</servlet-mapping>
</web-app>
* 编译兵复制到 %CATALINA_HOME%/webapps/myAppDir/WEB-INF/classes^caution!!!

^caution:修改了web.xml以及新加了class，都要重启Tomcat !!!
log stop.
reference:http://blog.youkuaiyun.com/ecaol/archive/2004/06/24/25085.aspx( sth error corrected)