Refused to set unsafe header Refused to set unsafe header "Host"waitServerDeal @ tGet.html:82async function (async)waitServerDeal @ tGet.html:24uploadFile @ tGet.html:98onchange @ tGet.html:10tGet.html:83 Refused to set unsafe header "Conte…
最近在调试后端下载的接口时在浏览器的控制台中发现了红色的错误信息,例如Refused to get unsafe header "XXX":前端是采用XMLHttpRequest对象进行http请求和对响应数据的处理,在调用getResponseHeader('XXX')方法获取相关请求头XXX的值时就报上述错误了:这是为什么呢?因为后端是利用HttpServletResponse对象进行响应的,在响应请求头中添加自定义的请求头key值,如XXX,此时需要使用请求头Access-Con…
https://stackoverflow.com/questions/7210507/ajax-post-error-refused-to-set-unsafe-header-connection/7210840 Remove these two lines: xmlHttp.setRequestHeader("Content-length", params.length); xmlHttp.setRequestHeader("Connection", "…
Fetch 由于Fetch API是基于Promise设计,因此旧的浏览器并不支持该API,需要引用时引用es6-promise. 基本知识 fetch请求返回response格式 body Fetch特性 跨域安全请求头 Accept Accept-Language Content-Language Content-Type 跨域安全请求方法 GET HEAD POST 禁止用户设置的请求头 Accept-Charset Accept-Encoding Access-Control-Reque…