go发送get或post请求

package main

import (
    "bytes"
    "crypto/md5"
    "crypto/tls"
    "encoding/json"
    "fmt"
    "io"
    "io/ioutil"
    "log"
    "net/http"
    "strconv"
    "time"
)

func main() {
    // GetData()
    PostMethod()
}

//这是get请求
func GetData() {
    tr := &http.Transport{
        TLSClientConfig: &tls.Config{InsecureSkipVerify: true}} //如果需要测试自签名的证书 这里需要设置跳过证书检测 否则编译报错
    client := &http.Client{Transport: tr}
    resp, err := client.Get("https://192.168.7.15:8080/v1/getaction.do")
    //此处需要注意经过测试，不论是否有err在此之前一定要判断resp.Body如果不为空则需要关闭,测试环境go1.16
    if resp.Body != nil {
        defer resp.Body.Close()
    }
    if err != nil {
        fmt.Println("error:", err)
        return
    }

    body, err := ioutil.ReadAll(resp.Body)
    fmt.Println(string(body))
}

//这是post请求
func PostMethod() {
    var rsp io.Reader
    tr := &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}} //如果需要测试自签名的证书 这里需要设置跳过证书检测 否则编译报错
    client := &http.Client{Transport: tr}
    data := "cmd=123"
    resp, err := client.Post("https://192.168.7.15:8080/v1/postaction.do", data, rsp)
    //此处需要注意经过测试，不论是否有err在此之前一定要判断resp.Body如果不为空则需要关闭,测试环境go1.16
    if resp.Body != nil {
        defer resp.Body.Close()
    }
    if err != nil {
        fmt.Println("err:", err)
    } else {
        body, er := ioutil.ReadAll(resp.Body)
        if er != nil {
            fmt.Println("err:", er)
        } else {
            fmt.Println(string(body))
        }
    }

}

func PostMethod() {
    //{"carmeraId":"epark-370211-dongjiakou~~cctv-dahua~channelCode~dahua!1000003$1$0$6","carmeraDesc":"","status":"1","areaId":"001","dataTime":"2020-11-17 14:30:12"}
    //{"carmeraId":"epark-370211-dongjiakou~~cctv-dahua~channelCode~dahua!1000003$1$0$7","carmeraDesc":"2F走廊西","status":"1","areaId":"001","dataTime":"2020-11-17 15:42:01"}
    m3 := map[string]string{
        "cameraId":   "epark-370211-dongjiakou~~cctv-dahua~channelCode~dahua!1000003$1$0$7",
        "cameraDesc": "2F走廊西",
        "status":     "1",
        "areaId":     "001",
        "dataTime":   "2020-11-17 15:42:01",
    }
    exportData, err := json.Marshal(m3)

    tr := &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}}
    client := &http.Client{Transport: tr}
    req, err := http.NewRequest(http.MethodPost, "https://eug-test.elinkit.com.cn/epmet-acs/report/video/info", bytes.NewReader(exportData))
    if err != nil {
        log.Fatal(err.Error)
    }
    times := strconv.FormatInt(time.Now().Unix(), 10)
    data := []byte("c3c4029b9741f26ab4a4cbd98c2310ff" + times)
    has := md5.Sum(data)
    accessToken := fmt.Sprintf("%x", has)
    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("AccessToken", accessToken)
    req.Header.Set("Timestamp", times)

    response, err := client.Do(req)
    //此处需要注意经过测试，不论是否有err在此之前一定要判断 response.Body 如果不为空则需要关闭,测试环境go1.16
    if response.Body != nil {
        defer response.Body.Close()
    }

    if err != nil {
        fmt.Println("err:", err)

    }

    body, er := ioutil.ReadAll(response.Body)
    if er != nil {
        fmt.Println("err:", er)
    }
    fmt.Println(string(body))
}