go实现http的请求方式&接受参数方式

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原作者: [db:作者] 来自: [db:来源] 收藏邀请

1.默认的常规方法

//默认多路复用器
import (
	"fmt"
	"net/http"
)
func IndexHand (w http.ResponseWriter,r *http.Request) {
	content:="this is test info"
	fmt.Fprint(w,content)
}
func main(){
	http.HandleFunc("/test",IndexHand)
	http.ListenAndServe("127.0.0.1:8005",nil)
}

　2.多路复用器

//个性化多路复用器
func IndexFucn(w http.ResponseWriter,r * http.Request) {
	content:="this is content"
	fmt.Fprint(w,content)
}
func secondFun(w http.ResponseWriter,r * http.Request){
	content:="this is second"
	fmt.Fprint(w,content)
}
func  main(){
	mux:=http.NewServeMux()
	mux.HandleFunc("/aa",IndexFucn)
	mux.HandleFunc("/bb",secondFun)
	server:=&http.Server{
		Addr: "0.0.0.0:8099",
		Handler: mux,
	}
	err:=server.ListenAndServe()
	if err!=nil {
		log.Fatal(err)
	}
}

　3.接收Http传递参数

　　GET 和 POST 是我们最常用的两种请求方式，今天讲一讲如何在 golang 服务中，正确接收这两种请求的参数信息

　　1.1 接收GET请求

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
)
func hello( w http.ResponseWriter, r * http.Request){
    params:=make(map[string]string)
    query := r.URL.Query()
    id:= query.Get("id")
    name:= query.Get("name")
    age:= query.Get("age")

    params["id"]=id
    params["name"]=name
    params["age"]= age

    strParams,_:= json.Marshal(params)
    w.Write(strParams)
}
func main() {
    http.HandleFunc("/",hello)
    err:= http.ListenAndServe(":9007",nil)
    if err != nil {
        fmt.Print(err)
    }
}

1.2 接收POST请求

func helloPost(w http.ResponseWriter, request * http.Request){
    request.ParseForm()
    id:= request.FormValue("id")
    name:= request.FormValue("name")
    age:=request.FormValue("age")

    params:=make(map[string]string)
    params["id"] = id
    params["name"] = name
    params["age"] = age
    strParams,_:= json.Marshal(params)
    w.Write(strParams)
}
func main() {
    http.HandleFunc("/",helloPost)
    err:= http.ListenAndServe(":9007",nil)
    if err != nil {
        fmt.Print(err)
    }
}