1

platformapi/trenditapi/trendit.go

@@ -12,7 +12,10 @@ func (a *API) AddPrinter(sn, key, name string) error {
 		Key:  key,
 		Name: name,
 	}}
-	resp := a.HttpPostJson("addPrinter", params)
+	resp, err := a.HttpPostJson("addPrinter", params)
+	if err != nil {
+		return err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return errors.New("HTTP请求错误，请检查重试")
 	}
@@ -33,11 +36,14 @@ func (a *API) AddPrinter(sn, key, name string) error {
 
 //修改打印机信息
 func (a *API) EditPrinter(sn, name string) (string, error) {
-	resp := a.HttpPostJson("editPrinter", []EditPrinterReq{{
+	resp, err := a.HttpPostJson("editPrinter", []EditPrinterReq{{
 		Sn:   sn,
 		Name: name,
 	},
 	})
+	if err != nil {
+		return "", err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return "", errors.New("HTTP请求错误，请检查重试")
 	}
@@ -58,7 +64,10 @@ func (a *API) EditPrinter(sn, name string) (string, error) {
 
 //删除打印机
 func (a *API) DelPrinter(snList []string) error {
-	resp := a.HttpPostJson("delPrinter", snList)
+	resp, err := a.HttpPostJson("delPrinter", snList)
+	if err != nil {
+		return err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return errors.New("HTTP请求错误，请检查重试")
 	}
@@ -79,10 +88,13 @@ func (a *API) DelPrinter(snList []string) error {
 
 //设置打印机浓度
 func (a *API) SetDensity(sn string, density int) error {
-	resp := a.HttpPostJson("setDensity", SetDensityReq{
+	resp, err := a.HttpPostJson("setDensity", SetDensityReq{
 		Sn:      sn,
 		Density: density,
 	})
+	if err != nil {
+		return err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return errors.New("HTTP请求错误，请检查重试")
 	}
@@ -94,10 +106,13 @@ func (a *API) SetDensity(sn string, density int) error {
 
 //设置音量
 func (a *API) SetVolume(sn string, volume int) error {
-	resp := a.HttpPostJson("setVolume", SetVolumeReq{
+	resp, err := a.HttpPostJson("setVolume", SetVolumeReq{
 		Sn:     sn,
 		Volume: volume,
 	})
+	if err != nil {
+		return err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return errors.New("HTTP请求错误，请检查重试")
 	}
@@ -109,7 +124,10 @@ func (a *API) SetVolume(sn string, volume int) error {
 
 //查询打印机状态
 func (a *API) GetDeviceStatus(sn string) (float64, float64, error) {
-	resp := a.HttpPostJson("getDeviceStatus", GetDeviceStatusReq{Sn: sn})
+	resp, err := a.HttpPostJson("getDeviceStatus", GetDeviceStatusReq{Sn: sn})
+	if err != nil {
+		return 0, 0, err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return 0, 0, errors.New("HTTP请求错误，请检查重试")
 	}
@@ -122,7 +140,10 @@ func (a *API) GetDeviceStatus(sn string) (float64, float64, error) {
 
 //清空设备待打印队列
 func (a *API) CleanWaitingQueue(sn string) error {
-	resp := a.HttpPostJson("cleanWaitingQueue", sn)
+	resp, err := a.HttpPostJson("cleanWaitingQueue", sn)
+	if err != nil {
+		return err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return errors.New("HTTP请求错误，请检查重试")
 	}
@@ -134,7 +155,7 @@ func (a *API) CleanWaitingQueue(sn string) error {
 
 //打印小票
 func (a *API) Print(sn, content, voice string) (string, error) {
-	resp := a.HttpPostJson("print", PrintReq{
+	resp, err := a.HttpPostJson("print", PrintReq{
 		Sn:                sn,
 		Content:           content,
 		Voice:             voice,
@@ -142,7 +163,9 @@ func (a *API) Print(sn, content, voice string) (string, error) {
 		VoicePlayInterval: 3,
 		Copies:            1,
 	})
-
+	if err != nil {
+		return "", err
+	}
 	if resp.HttpStatusCode != HttpStatusSuccessCode {
 		return "", errors.New("HTTP请求错误，请检查重试")
 	}

platformapi/trenditapi/trenditapi.go

@@ -68,7 +68,7 @@ func (a *API) sign(uid, timestamp string, param string) (sign string) {
 	return fmt.Sprintf("%x", md5.Sum([]byte(aa)))
 }
 
-func (a *API) HttpPostJson(url string, data interface{}) *TIResponse {
+func (a *API) HttpPostJson(url string, data interface{}) (*TIResponse, error) {
 	//序列化参数
 	b, err := json.Marshal(&data)
 	if err != nil {
@@ -77,7 +77,7 @@ func (a *API) HttpPostJson(url string, data interface{}) *TIResponse {
 		result := TIResponse{
 			HttpStatusCode: 500,
 		}
-		return &result
+		return &result, nil
 	}
 
 	fullUrl := utils.GenerateGetURL(BaseUrl, url, nil)
@@ -97,14 +97,12 @@ func (a *API) HttpPostJson(url string, data interface{}) *TIResponse {
 	resp, err := client.Do(request)
 	//resp, err := http.Post(utils.GenerateGetURL(BaseUrl, url, nil), "application/json;charset=UTF-8", bytes.NewBuffer(b))
 	if err != nil {
-		return nil
+		return nil, err
 	}
 	defer resp.Body.Close()
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		glo
+		return nil, err
-		var msg = fmt.Sprintf("post json error:%+v", err)
-		fmt.Println(msg)
 	}
 
 	result := TIResponse{
@@ -116,11 +114,10 @@ func (a *API) HttpPostJson(url string, data interface{}) *TIResponse {
 	if err == nil {
 		result.BaseRes = &content
 	} else {
-		var msg = fmt.Sprintf("unmarshal body failed, error:%+v", err)
+		return nil, err
-		fmt.Println(msg)
 	}
 
-	return &result
+	return &result, nil
 }
 
 func StrRepeat(str string, repeatTimes int) string {