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Windows操作系统下JDK的配置方法

本教程以JDK1.8为例。

1.先从官网下载下来jdk1.8，然后一步一步的安装就可以

图片75.png

但是在安装过程中，要记下来jdk的安装路径，以后要用到。

图片76.png

安装成功后，就要开始配置环境变量

图片77.png

2.配置环境变量需要配置三个地方 JAVE_HOME Path CLASSPATH 这三个变量

图片78.png

图片79.png

图片80.png

配置JAVA_HOME变量，变量值是JDK的安装路径

图片81.png

配置CLASSPATH变量切记前面要带一个“.”，配置路径直接粘贴就可以：”.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar”

图片82.png

配置Path变量直接在path后面添加即可，前面带的分号，用于跟原来的参数进行分隔。“;%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin”

图片83.png

3.然后在命令行下测试 java命令

图片84.png

Javec命令

图片85.png

命令可以正常打开，说明安装的jdk1.8已经成功。

来源：景安

Public @ 2015-06-23 15:47:11

远程桌面时出现“身份验证错误，要求的函数不受支持”解决办法

威海服务器/VPS 威海服务器
1237

解决"身份验证错误，要求的函数不受支持"问题的方法如下： 1. 检查用户名和密码：确保远程桌面连接时输入的用户名和密码是正确的，特别注意大小写。 2. 检查远程桌面设置：打开远程桌面连接客户端，点击左下角的“开始”按钮，搜索并打开“远程桌面连接”。在打开的窗口中，点击“显示选项”来检查和修改连接设置。 3. 更新操作系统：检查操作系统是否有更新可用，并根据需要安装最新的安全补丁和更新。一些身

Public @ 2023-06-29 19:50:20

KESION(.NET版)安装方法

以下是KESION (.NET版)的安装方法：步骤1：下载KESION（.NET版）您需要从KESION官方网站下载KESION (.NET版)安装包。步骤2：安装KESION(.NET版) 双击下载的安装包，在安装向导中按照指示完成安装。步骤3：配置KESION(.NET版) 安装完成后，需要进行一些配置以确保KESION (.NET版)可以正常使用。在安装向导中，选择“配置

Public @ 2023-04-27 22:00:12

Windows操作系统远程登陆和修改远程端口号教程

一、远程登陆 1、开启远程登陆在Windows操作系统中，使用远程登陆，需要先在服务器端开启远程登陆功能，步骤如下： (1)点击开始按钮，选择运行，输入“regedit”，确认； (2)在注册表编辑器里，导航到“HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/TerminalServer”键； (3)双击注册表服务“fDeny

Public @ 2023-02-24 07:12:54

windows 2003 64位系统php运行报错：1% 不是有效的 win32 应用程序

问题一：php运行报错：1% 不是有效的 win32 应用程序php环境配置完毕后，运行html成功，但运行php就报错，错误提示是“1% 不是有效的 win32 应用程序”，英文报%1 is not a valid Win32 application。第一次碰到这样的问题，经过搜索和试验，问题终于解决。报错原因：由于在64位操作系统里，默认配置下，IIS工作在64位模式下，这会让许多32位的应用

Public @ 2018-05-05 15:47:15

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[ DB ] CONNECT:[ UseTime:0.029092s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.020388s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.019499s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020700s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2338 LIMIT 1 [ RunTime:0.019579s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.019966s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.019963s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.020766s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2338 LIMIT 1 [ RunTime:0.019489s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=2338 [ RunTime:0.020358s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服务器/VPS' AND `status` <> -1 LIMIT 1 [ RunTime:0.026707s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服务器/VPS' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.044206s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Windows Server' AND `status` <> -1 LIMIT 1 [ RunTime:0.026645s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Windows Server' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037077s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.649319s

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