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Ayanokouji

求教 cors 问题

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  •   Ayanokouji Oct 17, 2024 2110 views
    This topic created in 560 days ago, the information mentioned may be changed or developed.
    访问路径:浏览器-> nginx -> springboot

    如果 nginx 和 springboot 都配置了跨域,且策略不一样,请问优先级是什么样的。
    10 replies    2024-10-17 11:25:02 +08:00
    bestie
        1
    bestie  
       Oct 17, 2024
    多个 cors 头会导致请求失败,浏览器会拒绝
    cF06myaQ57WHKMBv
        2
    cF06myaQ57WHKMBv  
       Oct 17, 2024
    试一下不就知道了
    4Et5ShxMIq58n6Lr
        3
    4Et5ShxMIq58n6Lr  
       Oct 17, 2024
    不太理解,nginx -> spring 存在跨域么. 这部不都是后端么?
    wogogoing
        4
    wogogoing  
    PRO
       Oct 17, 2024
    1L 说的对,不存在优先级。重复的跨域响应头会导致浏览器拒绝。
    githmb
        5
    githmb  
       Oct 17, 2024
    nginx 有这么蠢吗?不会改写吗?要是我实现 nginx 的话肯定会改写相关的 Header
    Ayanokouji
        6
    Ayanokouji  
    OP
       Oct 17, 2024
    @githmb 历史遗留太乱
    Ayanokouji
        7
    Ayanokouji  
    OP
       Oct 17, 2024
    @bestie 请问有参考文献之类的吗
    Richex
        8
    Richex  
       Oct 17, 2024
    一般都是只在一处处理 CORS 。如果逻辑不复杂,可以用 nginx 直接处理更方便。如果需要做一些较为复杂的逻辑处理用来控制 CORS 则建议在后端。
    见过挺多对 CORS 不了解的开发到处乱加的。
    另外注意处理好 OPTIONS 请求,我甚至还遇到过因为跨域出现一个 POST 请求创建了两条记录的 API :)
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