blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request.
时间: 2023-08-23 21:15:35 浏览: 222
引用\[1\]和\[2\]提到的"CORS"是指跨源资源共享(Cross-Origin Resource Sharing)的缩写。它是一种浏览器安全机制,用于限制在Web应用程序中进行跨域请求的能力。跨域请求是指在一个域名下的网页请求另一个域名下的资源。CORS机制通过在服务器响应中添加特定的HTTP头部来实现。当浏览器发起跨域请求时,会先发送一个预检请求(preflight request)来检查服务器是否允许该跨域请求。如果服务器返回的响应中没有包含"Access-Control-Allow-Origin"头部,浏览器就会阻止该跨域请求,从而出现"blocked by CORS policy"的错误提示。\[1\]\[2\]
在你提供的引用中,还提到了一个链接\[3\],该链接提供了关于如何解决跨域问题和跨域预检未通过问题的详细信息。你可以点击链接查看更多关于这个问题的解决方法。
#### 引用[.reference_title]
- *1* [has been blocked by CORS policy: Response to preflight request doesn‘t pass access control check: ...](https://blog.csdn.net/m0_46833693/article/details/124016734)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [跨域问题解决办法 (has been blocked by CORS policy:Response……) 原因及解决办法](https://blog.csdn.net/weixin_35773751/article/details/123615866)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [浏览器预检请求返回400 has been blocked by CORS policy: Response to preflight request doesn’t pass ...](https://blog.csdn.net/weixin_53512283/article/details/123923734)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]
阅读全文