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跨域有哪些解决方法?
2022-06-12 02:30:00 【竹林小蝦】
跨域是前端請求接口常見的場景,如何解决跨域呢?以及最常見的方法有哪些呢?
- CORS
cors是需要服務器端配置一個允許跨域的配置,
配置後請求頭就多了一條Access-Control-Allow-Origin,瀏覽器判斷通過就會允許跨域 - JSONP
其實是通過script標簽的特性(無跨域限制)來實現跨域的,也需要服務器端配合,且只能用get方法 - 反向代理
意思是用一個代理服務器來代理服務端 - 正向代理
意思是用一個代理服務器來代理客戶端,一般用瀏覽器做代理服務器
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