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HTTP 417 Expectation Failed客户端错误响应代码指示Expect无法满足请求标头中给出的期望值。

查看Expect标题了解更多详情。

状态

417 Expectation Failed

规范

规范	标题
RFC 7231，第6.5.14节：417期望失败	超文本传输协议（HTTP / 1.1）：语义和内容

也可以看看

Expect

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