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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                由于同源策略(Same origin policy)的影響,瀏覽器一般默認會禁止跨域訪問。 同源既相同的協義(protocol)相同的主機(host)和相同的端口(port)。 **如何使用Nginx來允許跨域訪問?** 做個模擬,先配置下host > windows: C:\Windows\System32\drivers\etc\hosts > linux: /etc/hosts ~~~ 192.168.33.88 www.a.com 192.168.33.88 www.b.com 192.168.33.88 www.c.com ~~~ Nginx通過添加 Access-Control-Allow-Origin、Access-Control-Allow-Methods、Access-Control-Allow-Headers 等HTTP頭信息的來實現訪控制。 > "Access-Control-Allow-Origin" 設置允許發起跨域請求的網站 "Access-Control-Allow-Methods" 設置允許發起跨域請求請求的HTTP方法 "Access-Control-Allow-Headers" 設置允許跨域請求包含 Content-Type頭 window下修改nginx.conf配置文件,修改如下: ~~~ # 配置網站www.a.com server { server_name www.a.com; root /vagrant/a; # 允許 http://www.b.com 使用 GET,POST,DELETE HTTP方法發起跨域請求 add_header Access-Control-Allow-Origin http://www.b.com; add_header Access-Control-Allow-Method GET,POST,DELETE; } # 配置網站www.b.com server { server_name www.b.com; root /vagrant/b; } # 配置網站www.c.com server { server_name www.c.com; root /vagrant/c; } ~~~
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