基本设置如下：如果域以. www.example.com结尾，则为暂存环境staging.com it is the staging environment

• foobar.com.staging.com --> staging environment
• foobar.com --> live environment

我有以下. htaccess代码：

• 所有必要的Apache模块都已启用。
• 环境变量（第1 - 5行）设置正确（至少在PHP脚本中通过getenv（）检查它们时是这样）。
• 基本身份验证本身正在按预期工作
• 如果我删除Allow/Require块周围的条件，它们也会按预期工作 conditions around the Allow/Require blocks those also work as expected
• 如果我让条件保持在下面写的那样，允许/要求就不会被评估。 conditions just as they are written below the Allow/Require are simply not being evaluated.

知道我哪里做错了吗

SetEnvIfNoCase Host ^([a-zA-Z-.]*)\.staging\.com$ staging_env=true
SetEnvIfNoCase Host ^([a-zA-Z-.]*)(?<!\.staging\.com)$ live_env=true
SetEnvIfNoCase Request_URI "^/export" export_folder=true
SetEnvIf Remote_Addr ^1\.2\.3\.4$ authorized_ip=true
SetEnvIf Remote_Addr "^2\.3\.4\.[0-9]+$" authorized_ip=true

AuthUserFile /home/foobar/public_html/.htpasswd
AuthName "Password Protected"
AuthType Basic

Order Deny,Allow
Satisfy any
Deny from all

<If "%{ENV:export_folder} == 'true'">
    Allow from env=authorized_ip
</If>
<If "%{ENV:export_folder} != 'true' && %{ENV:live_env} == 'true'">
    Allow from env=live_env
</If>
<If "%{ENV:staging_env} == 'true'">
    Require valid-user
    Allow from env=authorized_ip
</If>

感谢@covener，我设法让它工作。我的最终解决方案是这样的：

SetEnvIfNoCase Host ^([a-zA-Z-.]*)\.staging\.com$ environment=staging
SetEnvIfNoCase Host ^([a-zA-Z-.]*)(?<!\.staging\.com)$ environment=production
SetEnvIfNoCase Request_URI "^/export" export_folder=true
SetEnvIf Remote_Addr ^1\.2\.3\.4$ authorized_ip=true
SetEnvIf Remote_Addr "^2\.3\.4\.[0-9]+$" authorized_ip=true

AuthUserFile /home/foobar/public_html/.htpasswd
AuthName "Password Protected"
AuthType Basic

<RequireAny>
    <RequireAll>
        Require expr %{ENV:export_folder} == 'true'
        Require expr %{ENV:authorized_ip} == 'true'
    </RequireAll>
    <RequireAll>
        Require expr %{ENV:export_folder} != 'true'
        Require expr %{ENV:environment} == 'production'
    </RequireAll>
    <RequireAll>
        Require expr %{ENV:environment} == 'staging'
        <RequireAny>
            Require expr %{ENV:authorized_ip} == 'true'
            Require expr %{REMOTE_USER} != ''
        </RequireAny>
    </RequireAll>
</RequireAny>