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一文弄懂 CORS 跨域(前端+后端代码实例讲解)

 4 years ago
source link: https://juejin.im/post/5e359077f265da3e240b359d
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经常被问到一些问题，比如写 Java 服务端的同学的来问：我服务端明明正确返回了，测试环境 debug 能看到，为什么前端就是拿不到数据？ 然后写前端的同学会问：为什么我明明设置了 withCredentials=true，服务端同学还是拿不到 cookie？

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