nginx配置下有两个指定目录的指令,root和alias

location /img/<span> {
alias </span>/var/www/image/<span>;
}
#若按照上述配置的话,则访问/img/目录里面的文件时,ningx会自动去/var/www/image/目录找文件</span><pre class="brush:php;toolbar:false;" courier new font-size:12px>location /img/<span> {
root </span>/var/www/image<span>;
}
#若按照这种配置的话,则访问/img/目录下的文件时,nginx会去/var/www/image/img/目录下找文件。]
</span><p><span><img src="http://image.codes51.com/Article/image/20150809/20150809224612_8835.gif" alt="复制代码"></span></p><p>alias是一个目录别名的定义,root则是最上层目录的定义。</p><div class="aritcle_card flexRow">
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</div><p>还有一个重要的区别是alias后面必须要用“/”结束,否则会找不到文件的,而root则可有可无</p><h2lucida grande>client_body_in_file_only<plucida grande font-size:14px>syntax: <em>client_body_in_file_only on|off</em><plucida grande font-size:14px>default: <em>off</em><plucida grande font-size:14px>context: <em>http, server, location</em><plucida grande font-size:14px>若该选项为on,那么客户端的请求体将被写入到一个文件中,并且在处理完请求之后,该文件不会被删除,该选项可以用来进行调试。<plucida grande font-size:14px><br><plucida grande font-size:14px><h2lucida grande>client_body_in_single_buffer<plucida grande font-size:14px>syntax: <em>client_body_in_single_buffer</em><plucida grande font-size:14px>default: <em>off</em><plucida grande font-size:14px>context: <em>http, server, location</em><plucida grande font-size:14px>该选项指定是否将整个请求体放在<plucida grande font-size:14px><span>一个客户端请求缓冲区中。当用</span><span>$request_body变量时建议启用该选项来减少拷贝操作的开销。</span><br><plucida grande font-size:14px><br><plucida grande font-size:14px><h2lucida grande>client_body_buffer_size<plucida grande font-size:16px>syntax: <em>client_body_buffer_size the_size</em><plucida grande font-size:16px>default: <em>8k/16k</em><plucida grande font-size:16px>context: <em>http, server, location</em><plucida grande font-size:16px>该指令指定了客户端请求体的大小,如果请求体的大小超出,那么整个请求体或者部分将被写入到临时文件中<plucida grande font-size:16px>默认大小为2页。<plucida grande font-size:16px><br><plucida grande font-size:16px><br><plucida grande font-size:16px><h2lucida grande>client_body_temp_path<plucida grande font-size:16px>syntax: <em>client_body_temp_path dir-path [ level1 [ level2 [ level3 ]</em><plucida grande font-size:16px>default: <em>client_body_temp</em><plucida grande font-size:16px>context: <em>http, server, location</em>该选项指定了用于存储客户端请求的临时文件的存储目录路径
<plucida grande font-size:16px><br><plucida grande font-size:16px><br><plucida grande font-size:16px><h2lucida grande>client_body_timeout<plucida grande font-size:16px>syntax: <em>client_body_timeout time</em><plucida grande font-size:16px>default: <em>60</em><plucida grande font-size:16px>context: <em>http, server, location</em><plucida grande font-size:16px>该选项指定了客户端请求体的读取超时时间<plucida grande font-size:16px>只有在一次read不能读取完请求体的情况下,该选项才会起作用,如果超过了该时间,客户端没有发送任何数据,nginx将会返回<spanlucida grande line-height:20.78641128540039px>"Request time out" (408).错误<plucida grande font-size:16px><br><plucida grande font-size:16px><br><plucida grande font-size:16px><h2lucida grande>client_header_buffer_size<plucida grande font-size:16px>syntax: <em>client_header_buffer_size size</em><plucida grande font-size:16px>default: <em>1k</em><plucida grande font-size:16px>context: <em>http, server</em><plucida grande font-size:16px>该指令指定了用于存储客户端请求头的缓冲区大小。默认为1k大小,对于绝大多数的请求来说已足够,<plucida grande font-size:16px>但是,如果一个请求头中包含了一个非常大的cookie,或者请求是来自于一个wap-client,那么1k的空间无法容纳,此时nginx 会申请一个更大的内存空间用来存储请起头,这个更大的缓冲区的大小,可以通过<plucida grande font-size:16px><spanlucida grande line-height:20.78641128540039px>large_client_header_buffers指令来指定。<br><plucida grande font-size:16px><br><plucida grande font-size:16px><br><plucida grande font-size:16px><h2lucida grande>client_header_timeout<plucida grande font-size:16px>syntax: <em>client_header_timeout time</em><plucida grande font-size:16px>default: <em>60</em><plucida grande font-size:16px>context: <em>http, server</em><plucida grande font-size:16px>该指令指定了 nginx读取请求头的超时时间,如果超过该时间,那么nginx将返回<spanlucida grande font-size:16px>"Request time out" (408).错误<plucida grande font-size:16px><br><h2lucida grande>client_max_body_size<plucida grande font-size:16px>syntax: <em>client_max_body_size size</em><plucida grande font-size:16px>default: <em>client_max_body_size 1m</em><plucida grande font-size:16px>context: <em>http, server, location</em>该指令指定了客户端请求体的最大空间,如果超过了这个大小,nginx将返回<spanlucida grande font-size:16px>Request Entity Too Large" (413).错误,需要谨慎使用该选项,以免浏览器可能无法正确显示该错误。<plucida grande font-size:16px><spanlucida grande font-size:16px><br><plucida grande font-size:16px><spanlucida grande font-size:16px><br><plucida grande font-size:16px><spanlucida grande font-size:16px><h2lucida grande>default_type<plucida grande font-size:16px>syntax: <em>default_type MIME-type</em><plucida grande font-size:16px>default: <em>default_type text/plain</em><plucida grande font-size:16px>context: <em>http, server, location</em>该指令指定与文件相关的默认MIME的类型
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<p>版权声明:本文为博主原创文章,未经博主允许不得转载。</p>
<p>
以上就介绍了nginx 核心模块指令一,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。</p>
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