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跨域有哪些解决方法？
2022-06-12 02:28:00 【竹林小虾】
跨域是前端请求接口常见的场景，如何解决跨域呢？以及最常见的方法有哪些呢？
- CORS
cors是需要服务器端配置一个允许跨域的配置，
配置后请求头就多了一条Access-Control-Allow-Origin，浏览器判断通过就会允许跨域 - JSONP
其实是通过script标签的特性（无跨域限制）来实现跨域的，也需要服务器端配合，且只能用get方法 - 反向代理
意思是用一个代理服务器来代理服务端 - 正向代理
意思是用一个代理服务器来代理客户端，一般用浏览器做代理服务器
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