紫色飞猪的研发之旅–05go封装http请求

package middlewareimport ("go/pkg/errno""go/pkg/getcookie""crypto/tls""fmt""io/ioutil""net""net/http""strings""errors""time")// request.Header.Set 与request.Header.Add 区别：https://www.cnblogs.com/Dong-Ge/articles/11269898.htmltype HTTPClient interface {Do(req *http.Request) (*http.Response, error)}var (Client HTTPClient)func init() {Client = &http.Client{Timeout: 3 * time.Second,//忽略https证书Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true},Proxy:           http.ProxyFromEnvironment,DialContext: (&net.Dialer{Timeout:   1 * time.Second,KeepAlive: 30 * time.Second, // HTTp keepliveDualStack: true,}).DialContext,MaxIdleConns:        100,MaxIdleConnsPerHost: 8,IdleConnTimeout:     120 * time.Second,},}}// CheckRespStatus 状态检查func CheckRespStatus(resp *http.Response) ([]byte, error) {bodyBytes, _ := ioutil.ReadAll(resp.Body)if resp.StatusCode >= 200 && resp.StatusCode < 400 {return bodyBytes, nil}return bodyBytes, errno.New(errno.InternalServerError, errors.New(string(bodyBytes)))}// GetRequest 建立Get请求func GetRequest(url string, headerSet map[string]string) (respStatusCode int, respBytes []byte, err error) {// 提交请求request, err := http.NewRequest("GET", url, nil)if err != nil {err = errno.New(errno.InternalServerError, err)return}// 添加token// request.Header.Set("Authorization", "Bearer " + token)// 添加cookiecookieName, cookieValue := getcookie.GetCookie()cookie := &http.Cookie{Name: cookieName, Value: cookieValue, HttpOnly: true}request.AddCookie(cookie)// header 添加字段if headerSet != nil {for k, v := range headerSet {// request.Header.Set 与request.Header.Add 区别：https://www.cnblogs.com/Dong-Ge/articles/11269898.htmlrequest.Header.Set(k, v)}}// 处理返回结果resp, err := Client.Do(request)if err != nil {err = errno.New(errno.InternalServerError, err)return 0, nil, err}defer resp.Body.Close()// 返回的状态码respBytes, err = CheckRespStatus(resp)respStatusCode = resp.StatusCodereturn}// PostRequest 建立Post请求func PostRequest(url, body string, headerSet map[string]string) (respStatusCode int, respBytes []byte, err error) {request, err := http.NewRequest("POST", url, strings.NewReader(body))if err != nil {err = errno.New(errno.InternalServerError, err)return}cookieName, cookieValue := getcookie.GetCookie() // 拿到cookiecookie := &http.Cookie{Name: cookieName, Value: cookieValue, HttpOnly: true}request.AddCookie(cookie)// header 添加字段if headerSet != nil {for k, v := range headerSet {// request.Header.Set 与request.Header.Add 区别：https://www.cnblogs.com/Dong-Ge/articles/11269898.htmlrequest.Header.Set(k, v)}}resp, err := Client.Do(request)if err != nil {err = errno.New(errno.InternalServerError, err)return 0, nil, err}defer resp.Body.Close()// 返回的状态码respBytes, err = CheckRespStatus(resp)respStatusCode = resp.StatusCodereturn}// PutRequest 建立Put请求func PutRequest(url, body string, headerSet map[string]string)  (respStatusCode int, respBytes []byte, err error) {request, err := http.NewRequest("PUT", url, strings.NewReader(body)); if err != nil {err = errno.New(errno.InternalServerError, err)return}cookieName, cookieValue := getcookie.GetCookie() // 拿到cookiecookie := &http.Cookie{Name: cookieName, Value: cookieValue, HttpOnly: true}request.AddCookie(cookie)// header 添加字段if headerSet != nil {for k, v := range headerSet {request.Header.Set(k, v)}}resp, err := Client.Do(request)if err != nil {fmt.Println(err.Error())err = errno.New(errno.InternalServerError, err)return 0, nil, err}defer resp.Body.Close()//返回的状态码respBytes, err = CheckRespStatus(resp)respStatusCode = resp.StatusCodereturn}// PatchRequest 建立Patch请求func PatchRequest(url, body string, headerSet map[string]string) (respStatusCode int, respBytes []byte, err error) {request, err := http.NewRequest("PATCH", url, strings.NewReader(body))if err != nil {err = errno.New(errno.InternalServerError, err)return}cookieName, cookieValue := getcookie.GetCookie() // 拿到cookiecookie := &http.Cookie{Name: cookieName, Value: cookieValue, HttpOnly: true}request.AddCookie(cookie)// header 添加字段if headerSet != nil {for k, v := range headerSet {request.Header.Set(k, v)}}resp, err := Client.Do(request)if err != nil {err = errno.New(errno.InternalServerError, err)return 0, nil, err}defer resp.Body.Close()//返回的状态码respBytes, err = CheckRespStatus(resp)respStatusCode = resp.StatusCodereturn}// DeleteRequest 建立Delete请求func DeleteRequest(url, body string, headerSet map[string]string) (respStatusCode int, respBytes []byte, err error) {request, err := http.NewRequest("DELETE", url, strings.NewReader(body))if err != nil {err = errno.New(errno.InternalServerError, err)return}cookiename, cookievalue := getcookie.GetCookie() // 拿到cookiecookie := &http.Cookie{Name: cookiename, Value: cookievalue, HttpOnly: true}request.AddCookie(cookie)// header 添加字段if headerSet != nil {for k, v := range headerSet {// request.Header.Set 与request.Header.Add 区别：https://www.cnblogs.com/Dong-Ge/articles/11269898.htmlrequest.Header.Set(k, v)}}resp, err := Client.Do(request)if err != nil {err = errno.New(errno.InternalServerError, err)return 0, nil, err}defer resp.Body.Close()//返回的状态码respBytes, err = CheckRespStatus(resp)respStatusCode = resp.StatusCodereturn}

• 注：上述五类http请求实质还可以写到一个函数中，这里为了调用清晰特地按类分开。