https://www.liwenzhou.com/posts/Go/go_http/

http-server(API)

package main
import (
    "fmt"
    "net/http"
)
func HealthCheck(writer http.ResponseWriter, request *http.Request) {
    str := "server ok"
    //接收请求
    fmt.Println(request.URL)
    fmt.Println(request.Body)
    fmt.Println(request.Method)//GET POST
    //返回结果
    writer.Write([]byte(str))
}
func main() {
    http.HandleFunc("/hello", func(writer http.ResponseWriter, request *http.Request) {
        writer.Write([]byte("hello world"))
    })
    http.HandleFunc("/healthCheck", HealthCheck)
    http.ListenAndServe("0.0.0.0:8080", nil)
}

http-client

package main
import (
    "fmt"
    "io"
    "io/ioutil"
    "net/http"
    "net/url"
    "os"
)
func main() {
    //rsp, err := http.Get("http://127.0.0.1:8080/healthCheck")
    //if err != nil {
    //
    //}
    //rs, err := ioutil.ReadAll(rsp.Body)
    //if err != nil {
    //
    //}
    //fmt.Println(string(rs))
    //接受完请求要关闭
    //rsp.Body.Close()
    //组装请求
    data := url.Values{}
    urlObj, _ := url.ParseRequestURI("http://127.0.0.1:8080/healthCheck")
    data.Set("A", "测试")
    urlStr := data.Encode()
    fmt.Println(urlStr)
    //A=%E6%B5%8B%E8%AF%95
    //中文会转化为编码
    urlObj.RawQuery = urlStr
    req, err := http.NewRequest("GET", urlObj.String(), nil)
    if err != nil {
    }
    //添加请求头
    req.Header.Add("","")
    resp, err := http.DefaultClient.Do(req)
    if err != nil {
    }
    rsp, _ := ioutil.ReadAll(resp.Body)
    fmt.Println(string(rsp))
    //接受完请求要关闭
    resp.Body.Close()
    //post请求
    http.PostForm("url", url.Values{"id": {"11"}})
    //上传文件
    http.Post("url","image/jpeg",*io.Reader)
    //json
    data=`{"name":"test","age":10}`
    resp,err:=http.Post("url","application/json",strings.NewReader(data))
    if err != nil {
    }
    rsp, _ := ioutil.ReadAll(resp.Body)
    fmt.Println(string(rsp))
    resp.Body.Close()
}