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Nginx try_files

2016-05-10 19:21 615 查看

以下引自官方文档：

syntax:	try_files file ... [code]uri ;[/code] try_files file ... =[code]code ;[/code]
Default:	—
Context:	server , location

syntax:

try_files file
 ... [code]uri

;[/code]

try_files file
 ... =[code]code

;[/code]

Default:

—

Context:

server

location

Checks the existence of files in the specified order and usesthe first found file for request processing; the processingis performed in the current context.The path to a file is constructed from the

file

parameteraccording to theroot
and
alias directives.It is possible to check directory’s existence by specifyinga slash at the end of a name, e.g. “

$uri/

”.If none of the files were found, an internal redirect to the

uri

specified in the last parameter is
made.For example:

location /images/ {
try_files $uri /images/default.gif;
}

location = /images/default.gif {
expires 30s;
}

The last parameter can also point to a named location,as shown in examples below.Starting from version 0.7.51, the last parameter can also be a

code

location / {
try_files $uri $uri/index.html $uri.html =404;
}

Example in proxying Mongrel:

location / {
try_files /system/maintenance.html
$uri $uri/index.html $uri.html
@mongrel;
}

location @mongrel {
proxy_pass http://mongrel; }

Example for Drupal/FastCGI:

location / {
try_files $uri $uri/ @drupal;
}

location ~ \.php$ {
try_files $uri @drupal;

fastcgi_pass ...;

fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
fastcgi_param SCRIPT_NAME     $fastcgi_script_name;
fastcgi_param QUERY_STRING    $args;

... other fastcgi_param's
}

location @drupal {
fastcgi_pass ...;

fastcgi_param SCRIPT_FILENAME /path/to/index.php;
fastcgi_param SCRIPT_NAME     /index.php;
fastcgi_param QUERY_STRING    q=$uri&$args;

... other fastcgi_param's
}

In the following example,

location / {
try_files $uri $uri/ @drupal;
}

the

try_files

directive is equivalent to

location / {
error_page 404 = @drupal;
log_not_found off;
}

And here,

location ~ \.php$ {
try_files $uri @drupal;

fastcgi_pass ...;

fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;

...
}

try_files

checks the existence of the PHP filebefore passing the request to the FastCGI server.

Example for Wordpress and Joomla:

location / {
try_files $uri $uri/ @wordpress;
}

location ~ \.php$ {
try_files $uri @wordpress;

fastcgi_pass ...;

fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
... other fastcgi_param's
}

location @wordpress {
fastcgi_pass ...;

fastcgi_param SCRIPT_FILENAME /path/to/index.php;
... other fastcgi_param's
}

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