win7 jdk 安装 环境变量 配置 javahome
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在“系统变量”中,设置3属性JAVA_HOME、CLASSPATH、Path(不区分大小写),若已存在则点击“编辑”,不存在则点击“新建”;
b)、JAVA_HOME指明JDK安装路径,就是刚才安装时所选择的路径C:\Program Files\Java\jdk1.7.0_09,此路径下包括lib,bin,jre等文件夹(此变量最好设置,因为以后运行tomcat,eclipse等都需要依*此变量);
c)、Path使得系统可以在任何路径下识别java命令,这里,要注意下,path应该是本来就存在的,就不要新建了,找到path,点击“编辑”;在值的最前面加上下面的语句即可。如果覆盖了path变量,将导致的cmd下有些基本的命令会找不到。
%JAVA_HOME%/bin;%JAVA_HOME%/jre/bin;
d)、CLASSPATH为java加载类(class or lib)路径,只有类在classpath中,java命令才能识别,设为:
.;%JAVA_HOME%/lib/dt.jar;%JAVA_HOME%/lib/tools.jar (要加.表示当前路径)
%JAVA_HOME%就是引用前面指定的JAVA_HOME;
4、检验安装配置是否正确
点击“开始”,键入“cmd”;
运行“java -version”、“java”、“javac”三个命令
Last modified onSaturday, 05 January 2013 13:06
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Call Stack | ||||
# | Time | Memory | Function | Location |
1 | 0.0001 | 403808 | {main}( ) | .../index.php:0 |
2 | 0.0349 | 1321624 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
3 | 0.0349 | 1321624 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
4 | 0.1441 | 2979864 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
5 | 0.1446 | 3004448 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
6 | 0.1455 | 3059776 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
7 | 0.1456 | 3076832 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
8 | 0.1514 | 3220920 | K2ControllerItem->execute( ) | .../k2.php:64 |
9 | 0.1515 | 3220920 | K2ControllerItem->display( ) | .../BaseController.php:710 |
10 | 0.1560 | 3490000 | K2ControllerItem->display( ) | .../item.php:78 |
11 | 0.1560 | 3490000 | K2ControllerItem->display( ) | .../controller.php:19 |
12 | 0.1572 | 3508520 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
13 | 0.1589 | 3528936 | K2ViewItem->display( ) | .../ViewController.php:102 |
14 | 0.2058 | 4061952 | K2ViewItem->display( ) | .../view.html.php:742 |
15 | 0.2058 | 4061952 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
16 | 0.2072 | 4236352 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |
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Call Stack | ||||
# | Time | Memory | Function | Location |
1 | 0.0001 | 403808 | {main}( ) | .../index.php:0 |
2 | 0.0349 | 1321624 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
3 | 0.0349 | 1321624 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
4 | 0.1441 | 2979864 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
5 | 0.1446 | 3004448 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
6 | 0.1455 | 3059776 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
7 | 0.1456 | 3076832 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
8 | 0.1514 | 3220920 | K2ControllerItem->execute( ) | .../k2.php:64 |
9 | 0.1515 | 3220920 | K2ControllerItem->display( ) | .../BaseController.php:710 |
10 | 0.1560 | 3490000 | K2ControllerItem->display( ) | .../item.php:78 |
11 | 0.1560 | 3490000 | K2ControllerItem->display( ) | .../controller.php:19 |
12 | 0.1572 | 3508520 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
13 | 0.1589 | 3528936 | K2ViewItem->display( ) | .../ViewController.php:102 |
14 | 0.2058 | 4061952 | K2ViewItem->display( ) | .../view.html.php:742 |
15 | 0.2058 | 4061952 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
16 | 0.2072 | 4236352 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |