httpserver实现简单的上下文

Posted 2022-05-24 sunlong88

package main

import (
    "net/http"

    "com.jtthink.net/myhttpserver/core"
)

type MyHandler struct 


func(*MyHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request)

     writer.Write([]byte("hello,myhandler"))


func main()  

     router:=core.DefaultRouter()

    router.Get("/", func(ctx *core.MyContext) 
        ctx.WriteString("my string GET")
    )
    router.Post("/", func(ctx *core.MyContext) 
        ctx.WriteString("my string POST")
    )

    http.ListenAndServe(":8099",router)

main.go

 

package core

import (
    "net/http"
)
type MyHandlerFunc func(ctx *MyContext)
type MyRouter struct 
     Mapping map[string]map[string]MyHandlerFunc
     Ctx *MyContext


func DefaultRouter() *MyRouter 
    return &MyRoutermake(map[string]map[string]MyHandlerFunc),&MyContext

func(this *MyRouter) Get(path string,f MyHandlerFunc)  
    if this.Mapping["GET"]==nil
        this.Mapping["GET"]=make(map[string]MyHandlerFunc)
    
    this.Mapping["GET"][path]=f

func(this *MyRouter) Post(path string,f MyHandlerFunc)  
    if this.Mapping["POST"]==nil
        this.Mapping["POST"]=make(map[string]MyHandlerFunc)
    
    this.Mapping["POST"][path]=f



func(this *MyRouter) ServeHTTP(writer http.ResponseWriter, request *http.Request)

    this.Ctx.request=request
    this.Ctx.ResponseWriter=writer

    //chrome 会默认请求图标地址
     if f,OK:=this.Mapping[request.Method][request.URL.Path];OK
         f(this.Ctx)
     

MyRouter.go

 

package core

import "net/http"

type MyContext struct  //上下文对象
      request *http.Request
      http.ResponseWriter

func(this *MyContext) WriteString(str string)
    this.Write([]byte(str))

MyContext.go