Context

context内部包含了*http.Request和http.ResponseWriter

  1. type Context struct {
  2.     // 对内使用，可以用于接受http.ResponseWriter的值
  3.     writermem responseWriter
  4.     Request   *http.Request
  5.     // http.ResponseWriter的增强版
  6.     Writer    ResponseWriter
  8.     Params   Params
  9.     handlers HandlersChain
  10.     index    int8
  11.     fullPath string
  13.     engine *Engine
  15.     // This mutex protect Keys map
  16.     mu sync.RWMutex
  18.     // Keys is a key/value pair exclusively for the context of each request.
  19.     Keys map[string]interface{}
  21.     // Errors is a list of errors attached to all the handlers/middlewares who used this context.
  22.     Errors errorMsgs
  24.     //...
  25. }

路由

路由分组是基于Radix树，即基数树，也称压缩前缀树

gin 源码解析 - 图1

image.pngimage.png

  1. r.GET("/user/:id", test)
  2. r.GET("/user/:id/page", test) // ok
  3. r.GET("/user/name", test)  // panic

点击查看【processon】