Response to preflight request doesn't pass access control check跨域问题，session不共享也同样
说明：这个异常是由于跨域而引起的 （你没有解决跨域的问题） 第一种：拦截器方式 第二种：注解方式 把下面这个注解，放在需要跨域的controller上面，需要的话，也可以配置一个过滤器，实现全局跨域 springboot 有 如果使用SSM 则需要把spring版本更新到4.2以上使用该注解 第三种：前端ajax请求方式增加header头信息 我这里就不弄了 还有一种就是 请求时没有加
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- 1. Response to preflight request doesn't pass access control check
- 2. 前端跨域问题：Response to preflight request doesn't pass access control check
- 3. 跨域问题Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin
- 4. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' he
- 5. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin'
- 6. sprng boot 跨域 过滤器 fetch react Response to preflight request doesn't pass access control check
- 7. GO + React + Axios Response to preflight request doesn't pass access control check: It does not hav
- 8. Response to preflight request doesn‘t pass access control check: It does not have HTTP ok status.
- 9. has been blocked by CORS policy: Response to preflight request doesn‘t pass access control check 报错
- 10. vue2.0报错request doesn‘t pass access control check: No ‘Access-Control-Allow-Origin跨域问题！