跨域问题:Access to XMLHttpRequest at 'XXX' from origin...
这两天有个玩前端同学突然问我一个跨域的问题，直接给我发了个截图 然后问是不是前端那里错了 我的反应却不是前端那里错了，而是后端那里错了~ 想想跨域问题八成是后端小伙纸没开允许跨域吧，于是我去服务器（我借他的）瞅了一眼源码，果不其然 小伙用的是Flask，在app.py中没有设置允许跨域，于是加上，重启，就OK了 至于我为啥会这么反应，那得从Springboot的注释说起~
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相关文章
- 1. 跨域问题Access to XMLHttpRequest'*'from origin '*' has been blocked by CORS..Access-Control-Allow-Origin
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- 9. 【调试错误】Access to XMLHttpRequest at file:E590/ceshi.json from origin null
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