Nginx+ThinkPHP+Vue解决跨域问题的方法详解

解决过程主要有两个步骤。

1.nginx配置允许跨域

在你部署的网站对应的端口配置文件里设置，我的目录结构是这样的：

server {

listen 8080;

server_name localhost;

root "D:/phpstudy_pro/WWW/admin/landpage_server/public";

location / {

index index.php index.html error/index.html;

error_page 400 /error/400.html;

error_page 403 /error/403.html;

error_page 404 /error/404.html;

error_page 500 /error/500.html;

error_page 501 /error/501.html;

error_page 502 /error/502.html;

error_page 503 /error/503.html;

error_page 504 /error/504.html;

error_page 505 /error/505.html;

error_page 506 /error/506.html;

error_page 507 /error/507.html;

error_page 509 /error/509.html;

error_page 510 /error/510.html;

include D:/phpstudy_pro/WWW/admin/landpage_server/public/nginx.htaccess;

autoindex off;

}

location ~ \.php(.*)$ {

fastcgi_pass 127.0.0.1:9002;

fastcgi_index index.php;

fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;

fastcgi_param SCRIPT_FILENAME document_rootfastcgi_script_name;

fastcgi_param PATH_INFO $fastcgi_path_info;

fastcgi_param PATH_TRANSLATED document_rootfastcgi_path_info;

include fastcgi_params;

}

添加跨域配置

location / {

add_header 'Access-Control-Allow-Origin' '*';

add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';

if ($request_method = 'OPTIONS') {

add_header 'Access-Control-Allow-Origin' '*';

add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';

add_header 'Access-Control-Max-Age' 1728000;

add_header 'Content-Type' 'text/plain charset=UTF-8';

add_header 'Content-Length' 0;

return 204;

}

}

}

不过这有个坏处，就是每次你重启的时候就会被默认配置覆盖。所以这里有第二种办法：

或者在你的ThinkPHP项目的 nginx.htaccess 文件里配置。（我通过小皮将网站部署后会自动生成这个文件），上面那个文件会把这个配置文件引入进来。 include D:/phpstudy_pro/WWW/admin/landpage_server/public/nginx.htaccess;

#伪静态配置
location / {
    index  index.html index.htm index.php;
    autoindex  off;
    if (!-e $request_filename) {
        rewrite  ^(.*)$  /index.php?s=/$1  last;
        break;
    } 
}


 # 添加跨域配置
        location / {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
            add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*';
                add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain charset=UTF-8';
                add_header 'Content-Length' 0;
                return 204;
            }
 }

|----------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | worker_processes 1; events { ``worker_connections 1024; } http { ``include mime.types; ``default_type application``/octet-stream``; ``sendfile on; ``server { ``listen 80; ``# 域名 ``server_name localhost; ``# 服务器根目录 ``root H:\php\project\UserManager\public; ``# 默认读取的文件 ``index index.php index.html index.htm; ``location / { ``# 允许浏览器跨域请求 ``if ($request_method = ``'OPTIONS'``) { ``add_header Access-Control-Allow-Origin ``'*'``; ``add_header Access-Control-Allow-Headers ``'*'``; ``add_header Access-Control-Allow-Methods ``'*'``; ``add_header Access-Control-Allow-Credentials ``'true'``; ``return 204; ``} ``if (!-e $request_filename) { ``rewrite ^(.*)$ ``/index``.php?s=/$1 last; ``break``; ``} ``try_files $uri $uri/ ``/index``.php?$query_string; ``} ``# 监听127.0.0.1:9000端口，要和php-cgi.exe配置的ip:端口一致 ``location ~ \.php$ { ``fastcgi_pass 127.0.0.1:9000; ``include fastcgi_params; ``fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; ``} ``} } |

其中的"允许浏览器跨域请求"是关键点，因为浏览器在发现网页请求是跨域请求时，会再发送一个OPTIONS请求，只有这个请求成功了才会允许跨域请求，此时，要强行配置允许跨域。（这里配置的是允许全部请求跨域）

2.在ThinkPHP中允许跨域

编辑middleware.php文件

|-------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 | <?php // 全局中间件定义文件 return [ ``//允许跨域 ``//\think\middleware\AllowCrossDomain::class ``\app\middleware\AllowCrossDomain::``class ``// 全局请求缓存 ``// \think\middleware\CheckRequestCache::class, ``// 多语言加载 ``// \think\middleware\LoadLangPack::class, ``// Session初始化 ``// \think\middleware\SessionInit::class ]; |

|----------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | <?php declare (strict_types = 1); namespace app\middleware; use Closure; use think\Config; use think\Request; use think\Response; /** ``* 跨域请求支持 ``*/ class AllowCrossDomain { ``protected $cookieDomain``; ``protected $header = [ ``'Access-Control-Allow-Credentials' => ``'true'``, ``'Access-Control-Max-Age' => 1800, ``'Access-Control-Allow-Methods' => ``'GET, POST, PATCH, PUT, DELETE, OPTIONS'``, ``'Access-Control-Allow-Headers' => ``'Token, Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, X-CSRF-TOKEN, X-Requested-With'``, ``]; ``public function __construct(Config ``$config``) ``{ ``$this``->cookieDomain = ``$config``->get(``'cookie.domain'``, ``''``); ``} ``/** ``* 允许跨域请求 ``* @access public ``* @param Request $request ``* @param Closure $next ``* @param array $header ``* @return Response ``*/ ``public function handle(``$request``, Closure ``$next``, ? ``array $header = []) ``{ ``$header = !``empty``(``$header``) ? ``array_merge``(``$this``->header, ``$header``) : ``$this``->header; ``if (!isset(``$header``[``'Access-Control-Allow-Origin'``])) { ``$origin = ``$request``->header(``'origin'``); ``if (``$origin && (``'' == ``$this``->cookieDomain || ``strpos``(``$origin``, ``$this``->cookieDomain))) { ``$header``[``'Access-Control-Allow-Origin'``] = ``$origin``; ``} ``else { ``$header``[``'Access-Control-Allow-Origin'``] = ``'*'``; ``} ``} ``return $next``(``$request``)->header(``$header``); ``} } |

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