``` package main //感谢帮助的朋友 //QQ29295842 欢迎大家技术交流 import ( "fmt" "io/ioutil" "net/http" "net/http/cookiejar" // "os" "net/url" "time" ) func main() { //Init jar j, _ := cookiejar.New(nil) // Create client client := &http.Client{Jar: j} // Create request req, err := http.NewRequest("GET", "http://zhanzhang.baidu.com", nil) // Fetch Request resp, err := client.Do(req) if err != nil { fmt.Println("Failure : ", err) } //开始修改缓存jar里面的值 var clist []*http.Cookie clist = append(clist, &http.Cookie{ Name: "BDUSS", Domain: ".baidu.com", Path: "/", Value: "cookie 值xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", Expires: time.Now().AddDate(1, 0, 0), }) urlX, _ := url.Parse("http://zhanzhang.baidu.com") j.SetCookies(urlX, clist) fmt.Printf("Jar cookie : %v", j.Cookies(urlX)) // Fetch Request resp, err = client.Do(req) if err != nil { fmt.Println("Failure : ", err) } // Read Response Body respBody, _ := ioutil.ReadAll(resp.Body) // Display Results fmt.Println("response Status : ", resp.Status) fmt.Println("response Headers : ", resp.Header) fmt.Println("response Body : ", string(respBody)) fmt.Printf("response Cookies :%v", resp.Cookies()) } ``` ![a1.png](https://static.studygolang.com/170901/4dc8804990d4897dccc65161c11b39d8.png)