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

时间 2021-07-12

标签线上问题分析繁體版

原文原文链接

什么是跨域访问在A网站中，我们希望使用Ajax来获得B网站中的特定内容。如果A网站与B网站不在同一个域中，那么就出现了跨域访问问题。你可以理解为两个域名之间不能跨过域名来发送请求或者请求数据，否则就是不安全的。跨域访问违反了同源策略，同源策略规定，浏览器的ajax只能访问跟它的HTML页面同源（相同域名或IP）的资源。跨域

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1. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource
2. 解决跨域No 'Access-Control-Allow-Origin' header is present on the requested resource.
3. 跨域问题 No 'Access-Control-Allow-Origin' header is present on the requested resourc
4. 解决跨域问题：No 'Access-Control-Allow-Origin' header is present on the requested resource.
5. VUE axios 跨域问题 No 'Access-Control-Allow-Origin' header is present on the requested resource.
6. 解决ajax中No 'Access-Control-Allow-Origin' header is present on the requested resource跨域问题
7. No ‘Access-Control-Allow-Origin‘ header is present on the requested resource.跨域问题解决
8. 解决No 'Access-Control-Allow-Origin' header is present on the requested resource.跨域问题
9. No 'Access-Control-Allow-Origin' header is present on the requested resource:前后端的跨域问题
10. No 'Access-Control-Allow-Origin' header is present on the requested resource
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1. 跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource
2. 解决跨域No 'Access-Control-Allow-Origin' header is present on the requested resource.
3. 跨域问题 No 'Access-Control-Allow-Origin' header is present on the requested resourc
4. 解决跨域问题：No 'Access-Control-Allow-Origin' header is present on the requested resource.
5. VUE axios 跨域问题 No 'Access-Control-Allow-Origin' header is present on the requested resource.
6. 解决ajax中No 'Access-Control-Allow-Origin' header is present on the requested resource跨域问题
7. No ‘Access-Control-Allow-Origin‘ header is present on the requested resource.跨域问题解决
8. 解决No 'Access-Control-Allow-Origin' header is present on the requested resource.跨域问题
9. No 'Access-Control-Allow-Origin' header is present on the requested resource:前后端的跨域问题
10. No 'Access-Control-Allow-Origin' header is present on the requested resource

>>更多相关文章<<