最近写的一个接口被跨域调用，但前端会返回No 'Access-Control-Allow-Origin' header is present on the requested resource.
查了一下，大概是因为ajax跨域访问不被浏览器接受引起的
可在后端controller接口上加一个注解
@CrossOrigin
最近写的一个接口被跨域调用，但前端会返回No 'Access-Control-Allow-Origin' header is present on the requested resource.
查了一下，大概是因为ajax跨域访问不被浏览器接受引起的
可在后端controller接口上加一个注解
@CrossOrigin
header("Access-Control-Allow-Origin: *");
No 'Access-Control-Allow-Origin' header is present on the...
No 'Access-Control-Allow-Origin' header is present on the...
No 'Access-Control-Allow-Origin' header is present on the...
后台
解决：后端配置 Access-Control-Allow-Origin：*
The 'Access-Control-Allow-Origin' header contains multipl...
header('Access-Control-Allow-Origin:*'); header('Access-C...
header("Access-Control-Allow-Origin:http://127.0.0.1"); h...
报错问题 The value of the 'Access-Control-Allow-Origin' heade...
本文标题：No 'Access-Control-Allow-Origin'
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