java开发环境搭建之jdktomcat

java开发环境搭建之jdktomcat

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1、Java开发环境之JDK+Tomcat。第一步:下载jdk和tomcat第二步:安装和配置你的jdk和tomcat:执行jdk和tomcat的安装程序,然后设置按照路径进行安装即可。1.安装j2sdk以后,需要配置一下环境变量,在我的电脑->属性->高级->环境变量->系统变量中添加以下环境变量(假定你的jdk安装在c:jdk1.6):JAVA_HOME=c:jdk1.6classpath=.;%JAVA_HOME%libdt.jar;%JAVA_HOME%libtools.jar;(.;一定不能少,因为它代表当前路径)

2、path=%JAVA_HOME%bin接着可以写一个简单的java程序来测试JDK是否已安装成功:publicclassTest{publicstaticvoidmain(Stringargs[]){System.out.println("Thisisatestprogram.");}}将上面的这段程序保存为文件名为Test.java的文件。然后打开命令提示符窗口,cd到你的Test.java所在目录,然后键入下面的命令 javacTest.javajavaTest 此时如果看到打印出来Thisisatestprogram.的话说

3、明安装成功了,如果没有打印出这句话,你需要仔细检查一下你的配置情况。2.安装Tomcat后,在我的电脑->属性->高级->环境变量->系统变量中添加以下环境变量(假定你的tomcat安装在c:Tomcat):CATALINA_HOME:C:TomcatCATALINA_BASE:C:TomcatTOMCAT_HOME:C:Tomcat然后修改环境变量中的classpath,把tomat安装目录下的commonlib下的servlet.jar追加到classpath中去,修改后的classpath如下:classpath=.

4、;%JAVA_HOME%libdt.jar;%JAVA_HOME%libtools.jar;%CATALINA_HOME%commonlibservlet.jar;接着可以启动tomcat,在IE中访问http://localhost:8080,如果看到tomcat的欢迎页面的话说明安装成功了。第三步:建立自己的jspapp目录1.到Tomcat的安装目录的webapps目录,可以看到ROOT,examples,tomcat-docs之类Tomcat自带的的目录;2.在webapps目录下新建一个目录,起名叫myapp

5、;3.myapp下新建一个目录WEB-INF,注意,目录名称是区分大小写的;4.WEB-INF下新建一个文件web.xml,内容如下:MyWebApplication

6、ay-name>Aapplicationfortest.5.在myapp下新建一个测试的jsp页面,文件名为index.jsp,文件内容如下:

Nowtimeis:<%=newjava.util.Date()%>
6.重启Tomcat7.打开浏览器,输入http://localhost:8080/myapp/index.jsp看到当前时间的话说明就成功了。第四步:建立自己的Ser

7、vlet:写入你的第一个Servletimportjava.io.*;importjavax.servlet.*;importjavax.servlet.http.*;publicclassHelloWorldextendsHttpServlet   {     publicvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException    {     response.setContentType

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