nginx配置后只有根目录首页index.php能访问，其他页面404

 1 location / {
 2                 #if ($http_host !~ “^www\.nginxtest\.com/index\.php$”) {
 3                 
 4                 #if ( !-f $request_filename ) {
 5                 #    rewrite ^/(.+)$ http://www.nginxtest.com/index.php?$1 last;
 6                 #    rewrite ^/(.+)$ http://www.nginxtest.com/index.php/$1 break;
 7                 #}
 8                 
 9                 #if ($http_host ~* "^(.*)\.nginxtest\.com$") {
10                 #    set $domain $1;
11                 #    rewrite ^(.*) http://www.nginxtest.com/$domain/ break;
12                 #}
13                 
14                 #if (-f $request_filename/index.html){
15                 #    rewrite (.*) $1/index.html break;
16                 #}
17                 #if (-f $request_filename/index.php){
18                 #    rewrite (.*) $1/index.php;
19                 #}
20                 #if (!-f $request_filename){
21                 #    rewrite (.*) /index.php;
22                 #}
　　　　　　　　　　　　
23                 try_files $uri $uri/ /index.php?$query_string;
24                 if (!-e $request_filename){  
25                     rewrite ^/(.*) /index.php last;  
26                 }
27                 
28 }