phpGACL汉语手册（十）安装
phpGACL中文手册（十）安装
前面已经把phpGACL的概念和如何进行权限控制简单的阐述了一遍，从这一章开始，写的是如何对phpGACL进行安装，安装分两种，基本安装和高级安装，下面我就来作个阐述。
安装
基本安装
1将 .tar.gz 文件解压至你网站的根目录或子目录中，你可以将其重命名为你认为适合的名字。
2你可以用你喜欢的编辑器来编辑 phpgacl/gacl.class.php,gacl.inc.php 文件，并设置其中你将用到的 db_type, db_host, db_user, db_password 和 db_name 变量
现在将phpgacl/admin/gacl_admin.inc.php 文件中保持相同的信息。该文件不仅被安装脚本而且还将被 ACL 管理后台调用。
将两个文件保持相同信息的原因在于 ACL 核心库文件 gacl.class.php 比全部的 API 类文件要小得多，没有必要在你只想调用 acl_check() 文件时包含进全部代码。
在服务器上创建你在 db_name 变量中指定的数据库（以 MySQL 为例）
在浏览器中输入网址 http:// 你的站点 /phpgacl/setup.php 。被要求的表单将被建立在你创建的数据库中。不必担心会看到一堆的输出，如果正常运行的话，你将只会看到成功信息。
现在按照最后在屏幕上出现的建议创建 phpgacl/admin/templates_c 目录。它必须是可以被 WEB 服务器用户写入的。如果你不能做到这一点，那么你将不能使用 CAL 管理！
点击成功安装页面底部的链接或直接在浏览器中输入网址： http://yoursite.net/phpgacl/admin/acl_admin.php
高级安装
重新使用已有 ADOdb 的安装方法
如果你已经使用了 ADOdb ，你可以使 phpGACL 使用该 ADOdb 拷贝。
1编辑 phpgacl/gacl.class.php 文件，将 ADODB_DIR 变量设置为 ADBdb 库所在的目录。
2将 phpgacl/adodb 目录重命名为其它名字如 adodb_x ，然后重新载入网页 phpgacl/admin/acl_admin.php ，以确保其能正常工作。
3删除随 phpGACL 安装的 adodb 目录。
重新使用已安装的 Smarty
1编辑 phpgacl/admin/gacl_admin.inc.php 文件，以便变量 $smarty_dir 和 $smarty_compile_dir 能指向已安装 Smarty 库所在位置，并且 template_c 目录你正在使用。
将 phpGACL 模板目录移至另一个目录（比如上级目录中），调整变量 $smarty_template_dir 使之指向新的位置。当然如果你愿意，你也可以将这些模板移到已存在的模板目录中。
2将 phpgacl/smarty 目录重命名为其他名称（如 smarty_x ）并重新载入 phpgacl/admin/acl_admin.php 页，以确保它能正常工作。
3删除随 phpGACL 安装的 smarty 目录
我怎样将phpGACL文件移出网站目录，同时在该目录中留下一个链接以便管理呢？
1进入你的网站根目录
2将phpGACL目录移入你的includes目录，同时创建一个软链接到管理工具目录。
mv phpgacl/ /www/includes_directory
ln -s /www/includes_directory/phpgacl/admin/ gacl
3现在输入网址：http://yoursite.net/gacl/acl_admin.php，进入管理页面。如果页面没有正常显示，请确认你的网站服务器允许在网站目录中存在软链接。
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