No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null'

时间 2021-07-12

标签遇到的异常繁體版

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今天学习vue和axios时进行前后端结合出现了这个错误 No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘null’ 当使用ajax访问远程服务器时，请求失败，浏览器报如上错误。这是出于安全的考虑，默认禁止跨域访问导致的。一、什么是跨域访问举个栗子：在A网站中，我们希望使

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1. header is present on the requested resource. Origin 'null' is therefore not allowed access.
2. No 'Access-Control-Allow-Origin' header is present on the requested resource.
3. No 'Access-Control-Allow-Origin' header is present on the requested resource
4. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource
5. No ‘Access-Control-Allow-Origin‘ header is present on the requested resource.
6. 解决No 'Access-Control-Allow-Origin' header is present on the requested resource问题
7. "No 'Access-Control-Allow-Origin' header is present on the requested resource" 问题
8. 解决“No 'Access-Control-Allow-Origin' header is present on the requested resource”
9. 解决跨域No 'Access-Control-Allow-Origin' header is present on the requested resource.
10. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource.
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1. header is present on the requested resource. Origin 'null' is therefore not allowed access.
2. No 'Access-Control-Allow-Origin' header is present on the requested resource.
3. No 'Access-Control-Allow-Origin' header is present on the requested resource
4. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource
5. No ‘Access-Control-Allow-Origin‘ header is present on the requested resource.
6. 解决No 'Access-Control-Allow-Origin' header is present on the requested resource问题
7. "No 'Access-Control-Allow-Origin' header is present on the requested resource" 问题
8. 解决“No 'Access-Control-Allow-Origin' header is present on the requested resource”
9. 解决跨域No 'Access-Control-Allow-Origin' header is present on the requested resource.
10. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource.

>>更多相关文章<<