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root和alias的区别

 3 years ago
source link: https://blog.51cto.com/wemux/5343652
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root和alias的区别

alias 指定的目录是准确的，给location指定一个目录。
root 指定目录的上级目录，并且该上级目录要含有locatoin指定名称的同名目录。
以root方式设置资源路径：

语法: root path;
配置块: http、server、location、if



以alias 方式设置资源路径：



语法: alias path;
配置块: location



Example:



location /img/ {
    alias /var/www/image/;
}



#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



location /img/ {
    root /var/www/image;
}



#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



021/10/21 17:47:09 [error] 101161#101161: *970472 "/usr/share/nginx/image/image/index.html" is not found (2: No such file or directory), client: 192.168.10.1, server: _, request: "GET /foodsafety/ HTTP/1.1", host: "192.168.10.130"



错误日志查看
如果文件找不到，可以查看错误日志：logs/error.log，一般会告诉你nginx去哪个路径下找资源了，可以反查nginx.conf配置路径是否正确。

        

        

            

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