关于正则表达式：如何获得类似www.example.com/username的网址以重定向到www.example.com/user/profile.php?uid=10？

How do I achieve a url like www.example.com/username to redirect to www.example.com/user/profile.php?uid=10?

在我的网站上，可以通过URL www.example.com/user/profile.php?uid=3访问用户个人资料
我想通过简单地请求www.example.com/username

来使用户更轻松地访问其个人资料

每个用户的用户名都不能更改。我怎样才能做到这一点？

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Here is my current .htaccess file

Options +FollowSymLinks -MultiViews
# Turn mod_rewrite on
RewriteEngine On
RewriteBase /

# If the request is not for a valid directory
RewriteCond %{REQUEST_FILENAME} !-d
# If the request is not for a valid file
RewriteCond %{REQUEST_FILENAME} !-f
# If the request is not for a valid link
RewriteCond %{REQUEST_FILENAME} !-l
# finally this is your rewrite rule
RewriteRule ^blog/(.+)$ blog.php/$1 [L,NC]
RewriteRule ^(.+)$ user_page/profile.php?uid=$1 [L,QSA]

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在DOCUMENT_ROOT下的.htaccess中使用此代码：

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Options +FollowSymLinks -MultiViews
# Turn mod_rewrite on
RewriteEngine On
RewriteBase /

# If the request is for a valid directory
RewriteCond %{REQUEST_FILENAME} -d
# If the request is for a valid file
RewriteCond %{REQUEST_FILENAME} -f
# If the request is for a valid link
RewriteCond %{REQUEST_FILENAME} -l
# do not do anything
RewriteRule ^ - [L]

# forward /blog/foo to blog.php/foo
RewriteRule ^blog/(.+)$ blog.php/$1 [L,NC]

# forward /john to user_page/profile.php?name=john
RewriteRule ^((?!blog/).+)$ user_page/profile.php?name=$1 [L,QSA,NC]

现在在profile.php内部，您可以通过在数据库表中查找用户名来将$_GET['name']转换为$uid。