apache中.htaccess不起作用

#LoadModule rewrite_module modules/mod_rewrite.so

去掉前面的#号。

LoadModule rewrite_module modules/mod_rewrite.so

<VirtualHost *:80>
        DocumentRoot "D:/xxx/bb/"
        ServerName 127.0.0.1:80
         DirectoryIndexindex.php
       <Directory "D:/xxx/bb">
           Options Indexes FollowSymLinks
           AllowOverride ALL  //有就改没有加入这句
           Order allow,deny
           Allow from all
       </Directory>
</VirtualHost>

# 将 RewriteEngine 模式打开 
RewriteEngine On 
# Rewrite 系统规则请勿修改 
RewriteRule ^p/([0-9]+).html$ index.php?post_id=$1
RewriteRule ^u-(username|uid)-(.+).html$ space.php?$1=$2

# custom error documents
ErrorDocument 401 /err/401.php
ErrorDocument 403 /err/403.php
ErrorDocument 404 /err/404.php
ErrorDocument 500 /err/500.php