A5源码网站:
http://m.down.admin5.com/
JDK8官网:
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
下载JDK SE平台:
![](https://img.haomeiwen.com/i12336594/6186736a6a177e6d.jpg)
安装JDK SE步骤:
![](https://img.haomeiwen.com/i12336594/b0397c2f29db5fa1.png)
![](https://img.haomeiwen.com/i12336594/cc4773db30aa87ac.png)
![](https://img.haomeiwen.com/i12336594/51e7453d0f2d3966.png)
![](https://img.haomeiwen.com/i12336594/41785cbcafc84c5b.png)
![](https://img.haomeiwen.com/i12336594/5f9ed7d8a2533cce.png)
JDK环境变量配置:
JDK安装完成后,右键单击“此电脑”,选择“属性”打开对话框单击“高级”选项卡的“环境变量”进行配置:
![](https://img.haomeiwen.com/i12336594/c34d7d50079242fd.png)
需要在“系统变量”中设置3个属性:JAVA_HOME、PATH、CLASSPATH(jdk1.5版本之后可不需要设置CLASSPATH,建议继续设置保证向下兼用问题),点击“新建”,输入变量名“JAVA_HOME”,变量为“D:\Program Files\Java\jdk1.8.0_112”(jdk安装路径),然后点击“确定”:
![](https://img.haomeiwen.com/i12336594/9d05bf6c3154beb5.png)
选中系统变量”面板中的“Path”,点击“编辑”后选择“新建”按钮,在输入框输入“D:\Program Files\Java\jdk1.8.0_112\bin”或者输入“;%JAVA_HOME%\bin;”,然后点击“确定":
![](https://img.haomeiwen.com/i12336594/b25dae27c86cce66.png)
点击“新建”,变量名为“CLASSPATH”,变量值为“D:\Program Files\Java\jdk1.8.0_112\lib”或“.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;”,然后点击“确定”:
![](https://img.haomeiwen.com/i12336594/444a78052209c1a6.jpg)
完成Jdk配置,下一步测试环境配置是否成功,在键盘上按住“Windows+R”输入“cmd”进入命令提示符:
![](https://img.haomeiwen.com/i12336594/e165504120d873f5.png)
输入“java”测试:
![](https://img.haomeiwen.com/i12336594/657f901d0fda892d.png)
输入“javac”测试:
![](https://img.haomeiwen.com/i12336594/fea890a4b0a36757.png)
Tomcat安装步骤:
![](https://img.haomeiwen.com/i12336594/66f1ac3509e9f103.jpg)
![](https://img.haomeiwen.com/i12336594/b8d3e222ba70646e.jpg)
![](https://img.haomeiwen.com/i12336594/4dcff7575f617c02.jpg)
![](https://img.haomeiwen.com/i12336594/bd6546cb7a4dc87e.jpg)
![](https://img.haomeiwen.com/i12336594/0c92134db720f2d6.jpg)
![](https://img.haomeiwen.com/i12336594/d04aca7de2e40e4a.jpg)
![](https://img.haomeiwen.com/i12336594/efd018922ed3a5b9.jpg)
![](https://img.haomeiwen.com/i12336594/f73bd5c3f6cda713.jpg)
Tomcat目录结构:
![](https://img.haomeiwen.com/i12336594/c03e055da6beb14f.jpg)
bin目录:主要存放Tomcat命令文件;config目录:包含Tomcat配置文件,如server.xml;logs目录:存放日志文件;webapps目录:存放应用程序实例,部署的应用程序保存在此目录;work目录:存放JSP编译后产生class文件.
JSP页面测试:
利用Sublime或者事本等其他编辑工具,最后保存为后缀为.jsp的文件,编写以下代码:
<html>
<body>
<%out.println("Hello!");%>
</body>
</html>
注:将文件命名为demo.jsp保存后,存放置在webapps目录下root目录下,即路径:C:\Program Files\Apache Software Foundation\Tomcat 6.0\webapps\ROOT。访问:http://localhost:8081/demo.jsp”,为不引起端口冲突,把Tomcat端口设置为8081,浏览器界面已经输出“Hello!”:
![](https://img.haomeiwen.com/i12336594/223bd0ca09be985e.jpg)
![](https://img.haomeiwen.com/i12336594/149ba399026927b4.jpg)
部署Web服务应用:
复制Web应用到Tomcat安装目录webapps文件夹中,通过在浏览器地址栏访问:http://localhost:8081/myjsp/index.jsp来实现,目录如下:
![](https://img.haomeiwen.com/i12336594/af620cb71821c927.jpg)
![](https://img.haomeiwen.com/i12336594/2394a261fd087b68.jpg)
测试Tomcat服务器:
Apache Tomcat是一个开源软件,可作为独立的服务器来运行JSP和Servlets,也可以集成在Apache Web Server中。
Tomcat下载地址:
http://tomcat.apache.org/
http://tomcat.apache.org/download-80.cgi
本文以Tomcat 9.0为例,下载安装完毕即可进行测试并启动Tomcat服务器:
![](https://img.haomeiwen.com/i12336594/4d5104d3a52a666c.png)
![](https://img.haomeiwen.com/i12336594/26ee7a11c0bbdde0.png)
通过浏览器访问:http://localhost:8080,成功的话会显示以下画面:
![](https://img.haomeiwen.com/i12336594/08caa79daf20255d.png)
部署Web应用:
通过复制Web应用到Tomcat安装目录下面的“webapps”文件夹下的“ROOT”文件夹中,然后启动Tomcat服务器,再打开浏览器输入:http://localhost:8080/NewFile.jsp项目名,访问成功:
![](https://img.haomeiwen.com/i12336594/385359d8bc6ed6b7.png)
建立虚拟目录:
在Tomcat安装目录下conf文件夹下找到server.xml文件打开,在<Host></Host>节点中间添加:
<Context path="/my" docBase="E:\JSP\workspace\my\WebContent" debug="0" reloadable="true" />
注:path指的是访问路径,docBase指的是存放路径,然后保存并重启Tomcat服务器,在浏览器输入地址:http://localhost:8080/my/NewFile.jsp访问页面:
![](https://img.haomeiwen.com/i12336594/963113e3541d0e7b.png)
搭建Eclipse或者Myeclipse:
下载eclipse中文版:
https://pan.baidu.com/s/1kNGABnuNoPlyY11UOSyTyw 密码: xp6w
Eclipse IDE for Java EE Developers地址:
http://www.eclipse.org/downloads/packages/eclipse-ide-java-ee-developers/oxygen3a
下载之后解压,双击“eclipse.exe”,选择workspace位置:
![](https://img.haomeiwen.com/i12336594/94455e54f25120dc.png)
Eclipse配置Tomcat:
Eclipse中选择菜单栏,选择窗口,选择首选项,打开首选项:
![](https://img.haomeiwen.com/i12336594/af1edda91b7eced8.png)
选择Sever — Runtime Environments — Add,选择相对应Tomcat版本,输入Tomcat安装路径,使用默认JRE,点击完成:
![](https://img.haomeiwen.com/i12336594/cb226be2b0f2eea8.png)
![](https://img.haomeiwen.com/i12336594/9d13ca11fde89ff1.png)
选择Server,点击蓝色字体,选择相对应的Tomcat版本,然后点击完成,完成配置:
![](https://img.haomeiwen.com/i12336594/18fb1ad33cfe8933.png)
![](https://img.haomeiwen.com/i12336594/fda439ba8fb4f768.png)
验证配置是否成功:
启动Eclipse,在菜单栏选择File—new—Dynamic Web Project,创建一个JSP项目:
![](https://img.haomeiwen.com/i12336594/1a1c9189957fff47.png)
在Project name输入项目名称,Target runtime选择相对应版本的Tomcat服务器,其他选项默认,点击完成即创建成功:
![](https://img.haomeiwen.com/i12336594/142d4e8e9b33760b.jpg)
依次展开Newjsp—WebContent文件夹,右键单击其文件夹,选择new — JSP File,创建一个名为index.jsp的页面:
![](https://img.haomeiwen.com/i12336594/215c0869d1d2b438.png)
示例代码:
![](https://img.haomeiwen.com/i12336594/930db03acbe848af.png)
点击菜单栏的绿色启动按钮,在弹出来的页面点击完成,跳出以下页面即配置成功:
![](https://img.haomeiwen.com/i12336594/4c4778ea98609a2e.png)
![](https://img.haomeiwen.com/i12336594/f4b75ea16059aada.png)
完成JSP环境搭建:
![](https://img.haomeiwen.com/i12336594/4287e9444df47bb6.png)
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