Post请求 - Go相关

package main
    
    import (
            "fmt"
            "io/ioutil"
            "net/http"
            "crypto/md5"
            "encoding/hex"
            "strings"
            "os"
            "time"
    )
    
    func MD5(str string) string {
            h := md5.New()
            h.Write([]byte(str))
            return hex.EncodeToString(h.Sum(nil))
    }
    
    
    func main() {
    
        mobile := os.Args[1]
        username := "xwvoice2"
        password := "552512"
        secretkey := "0c+Vqc7NBWW3ZkV-"
        checktype := 1
        timestamp := time.Now().UnixNano() / 1000000
        sign := MD5(string(checktype) + string(mobile) + string(secretkey) + fmt.Sprintf("%d",timestamp))
    
    
        url := "http://150.158.105.68:8080/hbck/check?mobile=" + mobile + "&username=" + username + "&password=" + password + "&sign=" + sign + "&timestamp=" + fmt.Sprintf("%d",timestamp) + "&checktype=" +   fmt.Sprintf("%d",checktype)
        fmt.Println(url)
    
        client := &http.Client{}
    
        req, err := http.NewRequest("POST", url , strings.NewReader("name=test"))
        if err != nil {
            // handle error
        }
        req.Header.Set("Content-Type","application/json; charset=utf-8")
        //req.Header.Set("Cookie", "name=anny")
    
        resp, err := client.Do(req)
    
        defer resp.Body.Close()
    
        body, err := ioutil.ReadAll(resp.Body)
        if err != nil {
            // handle error
        }
    
        fmt.Println(string(body))
	}