HTTP Methods, Status Codes and Payloads
本篇文章基于 REST api 介绍HTTP请求方法、HTTP响应码和API数据载荷, 是之前介绍 REST 那篇文章的延伸 HTTP Status Codes 1xx group: Signals that an operation is in progress 2xx group: Signals that a request was successfully processed 3xx group: Signals that a resource has been moved to a new location 4xx group: Signals that someting was wrong with the request 5xx group: Signals that there was an error while processing the request 在之前文章中, 定义的 HTTP status code 如下: POST /orders: 201 (Created) - 资源成功创建 GET /orders: 200 (OK) - 请求成功处理 GET /orders/{order_id}: 200 (OK) - 请求成功处理 PUT /orders/{order_id}: 200 (OK) - 资源成功更新 DELETE /orders/{order_id}: 204 (No Content) - 请求被成功处理, 但是没有响应内容, 对比其他方法, DELETE 请求不需要 payload 来删除资源 POST /orders/{order_id}/chanel: 200 (OK) - 取消成功, 由于并不创建任何资源, 故返回200 POST /orders/{orders\id}/pay: 200 (OK) - 支付成功, 同样由于未创建资源, 返回200 上面全是成功的响应, 下面介绍错误响应 ...