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    按照TP官网的做法：

    1. <IfModule mod_rewrite.c>
    2.   Options +FollowSymlinks -Multiviews
    3.   RewriteEngine On
    5.   RewriteCond %{REQUEST_FILENAME} !-d
    6.   RewriteCond %{REQUEST_FILENAME} !-f
    7.   #RewriteRule ^(.*)$ index.php/$1 [QSA,PT,L] 这是官网给出的
    8.   RewriteRule ^(.*)$ index.php [L,E=PATH_INFO:$1] 改成些行就好了
    9. </IfModule>

    把最后一行
    RewriteRule ^(.)$ index.php/$1 [QSA,PT,L] 改成
    RewriteRule ^(.    )$ index.php [L,E=PATH_INFO:$1]