fix: code optimization and style adjustments

aliyun.go

@@ -15,9 +15,9 @@
 package go_sms_sender
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
+	"strings"
 
 	"github.com/aliyun/alibaba-cloud-sdk-go/services/dysmsapi"
 )
@@ -55,20 +55,13 @@ func (c *AliyunClient) SendMessage(param map[string]string, targetPhoneNumber ..
 		return err
 	}
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
-	phoneNumbers := bytes.Buffer{}
-	phoneNumbers.WriteString(targetPhoneNumber[0])
-	for _, s := range targetPhoneNumber[1:] {
-		phoneNumbers.WriteString(",")
-		phoneNumbers.WriteString(s)
-	}
-
 	request := dysmsapi.CreateSendSmsRequest()
 	request.Scheme = "https"
-	request.PhoneNumbers = phoneNumbers.String()
+	request.PhoneNumbers = strings.Join(targetPhoneNumber, ",")
 	request.TemplateCode = c.template
 	request.TemplateParam = string(requestParam)
 	request.SignName = c.sign

aws.go

@@ -30,7 +30,7 @@ type AmazonSNSClient struct {
 }
 
 func GetAmazonSNSClient(accessKeyID string, secretAccessKey string, template string, region []string) (*AmazonSNSClient, error) {
-	if len(region) < 1 {
+	if len(region) == 0 {
 		return nil, fmt.Errorf("missing parameter: region")
 	}
 
@@ -60,7 +60,7 @@ func (a *AmazonSNSClient) SendMessage(param map[string]string, targetPhoneNumber
 
 	bodyContent := fmt.Sprintf(a.template, code)
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
@@ -78,7 +78,6 @@ func (a *AmazonSNSClient) SendMessage(param map[string]string, targetPhoneNumber
 			PhoneNumber:       &targetPhoneNumber[i],
 			MessageAttributes: messageAttributes,
 		})
-
 		if err != nil {
 			return err
 		}

azure.go

@@ -54,7 +54,7 @@ func GetACSClient(accessToken string, message string, other []string) (*ACSClien
 }
 
 func (a *ACSClient) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 

baidubce.go

@@ -15,8 +15,8 @@
 package go_sms_sender
 
 import (
-	"bytes"
 	"fmt"
+	"strings"
 
 	"github.com/baidubce/bce-sdk-go/services/sms"
 	"github.com/baidubce/bce-sdk-go/services/sms/api"
@@ -29,7 +29,7 @@ type BaiduClient struct {
 }
 
 func GetBceClient(accessId, accessKey, sign, template string, endpoint []string) (*BaiduClient, error) {
-	if len(endpoint) < 1 {
+	if len(endpoint) == 0 {
 		return nil, fmt.Errorf("missing parameter: endpoint")
 	}
 
@@ -53,18 +53,15 @@ func (c *BaiduClient) SendMessage(param map[string]string, targetPhoneNumber ...
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	phoneNumbers := bytes.Buffer{}
-	phoneNumbers.WriteString(targetPhoneNumber[0])
-	for _, s := range targetPhoneNumber[1:] {
-		phoneNumbers.WriteString(",")
-		phoneNumbers.WriteString(s)
+	if len(targetPhoneNumber) == 0 {
+		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
 	contentMap := make(map[string]interface{})
 	contentMap["code"] = code
 
 	sendSmsArgs := &api.SendSmsArgs{
-		Mobile:      phoneNumbers.String(),
+		Mobile:      strings.Join(targetPhoneNumber, ","),
 		SignatureId: c.sign,
 		Template:    c.template,
 		ContentVar:  contentMap,

gccpay.go

@@ -70,7 +70,7 @@ func (c *GCCPAYClient) SendMessage(param map[string]string, targetPhoneNumber ..
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 

huawei.go

@@ -20,7 +20,7 @@ import (
 	"crypto/tls"
 	"encoding/base64"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"strings"
@@ -29,8 +29,10 @@ import (
 	"github.com/google/uuid"
 )
 
-const WSSE_HEADER_FORMAT = "UsernameToken Username=\"%s\",PasswordDigest=\"%s\",Nonce=\"%s\",Created=\"%s\""
-const AUTH_HEADER_VALUE = "WSSE realm=\"SDP\",profile=\"UsernameToken\",type=\"Appkey\""
+const (
+	WSSE_HEADER_FORMAT = "UsernameToken Username=\"%s\",PasswordDigest=\"%s\",Nonce=\"%s\",Created=\"%s\""
+	AUTH_HEADER_VALUE  = "WSSE realm=\"SDP\",profile=\"UsernameToken\",type=\"Appkey\""
+)
 
 type HuaweiClient struct {
 	accessId   string
@@ -67,16 +69,14 @@ func (c *HuaweiClient) SendMessage(param map[string]string, targetPhoneNumber ..
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	templateParas := fmt.Sprintf("[\"%s\"]", code)
-
-	phoneNumbers := bytes.Buffer{}
-	phoneNumbers.WriteString(targetPhoneNumber[0])
-	for _, s := range targetPhoneNumber[1:] {
-		phoneNumbers.WriteString(",")
-		phoneNumbers.WriteString(s)
+	if len(targetPhoneNumber) == 0 {
+		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
-	body := buildRequestBody(c.sender, phoneNumbers.String(), c.template, templateParas, "", c.sign)
+	phoneNumbers := strings.Join(targetPhoneNumber, ",")
+	templateParas := fmt.Sprintf("[\"%s\"]", code)
+
+	body := buildRequestBody(c.sender, phoneNumbers, c.template, templateParas, "", c.sign)
 	headers := make(map[string]string)
 	headers["Content-Type"] = "application/x-www-form-urlencoded"
 	headers["Authorization"] = AUTH_HEADER_VALUE
@@ -101,8 +101,8 @@ func buildRequestBody(sender, receiver, templateId, templateParas, statusCallBac
 }
 
 func buildWsseHeader(appKey, appSecret string) string {
-	var cTime = time.Now().Format("2006-01-02T15:04:05Z")
-	var nonce = uuid.New().String()
+	cTime := time.Now().Format("2006-01-02T15:04:05Z")
+	nonce := uuid.New().String()
 	nonce = strings.ReplaceAll(nonce, "-", "")
 
 	h := sha256.New()
@@ -133,7 +133,7 @@ func post(url string, param []byte, headers map[string]string) (string, error) {
 	}
 	defer resp.Body.Close()
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", err
 	}

huyi.go

@@ -18,7 +18,7 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -52,7 +52,7 @@ func (hc *HuyiClient) SendMessage(param map[string]string, targetPhoneNumber ...
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missin parer: trgetPhoneNumber")
 	}
 
@@ -68,7 +68,7 @@ func (hc *HuyiClient) SendMessage(param map[string]string, targetPhoneNumber ...
 		v.Set("password", GetMd5String(password))
 		v.Set("mobile", mobile)
 
-		body := strings.NewReader(v.Encode()) //encode form data
+		body := strings.NewReader(v.Encode()) // encode form data
 		client := &http.Client{}
 		req, _ := http.NewRequest("POST", "http://106.ihuyi.com/webservice/sms.php?method=Submit&format=json", body)
 
@@ -79,7 +79,7 @@ func (hc *HuyiClient) SendMessage(param map[string]string, targetPhoneNumber ...
 			return err
 		}
 		defer resp.Body.Close() // ！ close ReadCloser
-		_, err = ioutil.ReadAll(resp.Body)
+		_, err = io.ReadAll(resp.Body)
 		if err != nil {
 			return err
 		}

infobip.go

@@ -54,7 +54,7 @@ type Destination struct {
 }
 
 func GetInfobipClient(sender string, apiKey string, template string, baseUrl []string) (*InfobipClient, error) {
-	if len(baseUrl) < 1 {
+	if len(baseUrl) == 0 {
 		return nil, fmt.Errorf("missing parameter: baseUrl")
 	}
 
@@ -74,7 +74,7 @@ func (c *InfobipClient) SendMessage(param map[string]string, targetPhoneNumber .
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missin parer: trgetPhoneNumber")
 	}
 

msg91.go

@@ -39,7 +39,7 @@ func GetMsg91Client(senderId string, authKey string, templateId string) (*Msg91C
 }
 
 func (m *Msg91Client) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
@@ -57,7 +57,7 @@ func (m *Msg91Client) SendMessage(param map[string]string, targetPhoneNumber ...
 
 		err = postMsg91SendRequest(url, strings.NewReader(payload), m.authKey)
 		if err != nil {
-			return fmt.Errorf("send message failed：%v", err)
+			return fmt.Errorf("send message failed: %v", err)
 		}
 	}
 

netgsm.go

@@ -19,7 +19,7 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 )
 
@@ -47,8 +47,12 @@ func GetNetgsmClient(accessId, accessKey, sign, template string) (*NetgsmClient,
 	}, nil
 }
 
-func (c *NetgsmClient) SendMessage(param map[string]string, targetPhoneNumbers ...string) error {
-	for _, phoneNumber := range targetPhoneNumbers {
+func (c *NetgsmClient) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
+	if len(targetPhoneNumber) == 0 {
+		return fmt.Errorf("missing parameter: targetPhoneNumber")
+	}
+
+	for _, phoneNumber := range targetPhoneNumber {
 		data := fmt.Sprintf(`
 <mainbody>
    <header>
@@ -101,7 +105,7 @@ func (c *NetgsmClient) postXML(url, xmlData string, headers map[string]string) (
 	}
 	defer resp.Body.Close()
 
-	respBody, err := ioutil.ReadAll(resp.Body)
+	respBody, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", err
 	}

smsbao.go

@@ -16,7 +16,7 @@ package go_sms_sender
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"strings"
@@ -32,7 +32,7 @@ type SmsBaoClient struct {
 
 func GetSmsbaoClient(username string, apikey string, sign string, template string, other []string) (*SmsBaoClient, error) {
 	var goodsid string
-	if len(other) < 1 {
+	if len(other) == 0 {
 		goodsid = ""
 	} else {
 		goodsid = other[0]
@@ -52,7 +52,7 @@ func (c *SmsBaoClient) SendMessage(param map[string]string, targetPhoneNumber ..
 		return fmt.Errorf("missing parameter: code")
 	}
 
-	if len(targetPhoneNumber) < 1 {
+	if len(targetPhoneNumber) == 0 {
 		return fmt.Errorf("missing parameter: targetPhoneNumber")
 	}
 
@@ -73,7 +73,7 @@ func (c *SmsBaoClient) SendMessage(param map[string]string, targetPhoneNumber ..
 			return err
 		}
 		defer resp.Body.Close()
-		body, err := ioutil.ReadAll(resp.Body)
+		body, err := io.ReadAll(resp.Body)
 		if err != nil {
 			return err
 		}

submail.go

@@ -18,7 +18,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"mime/multipart"
 	"net/http"
 	"strings"
@@ -96,7 +96,7 @@ func (c *SubmailClient) SendMessage(param map[string]string, targetPhoneNumber .
 		return err
 	}
 
-	result, err := ioutil.ReadAll(resp.Body)
+	result, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return err
 	}

tencent.go

@@ -31,7 +31,7 @@ type TencentClient struct {
 }
 
 func GetTencentClient(accessId string, accessKey string, sign string, templateId string, appId []string) (*TencentClient, error) {
-	if len(appId) < 1 {
+	if len(appId) == 0 {
 		return nil, fmt.Errorf("missing parameter: appId")
 	}
 
@@ -56,6 +56,10 @@ func GetTencentClient(accessId string, accessKey string, sign string, templateId
 }
 
 func (c *TencentClient) SendMessage(param map[string]string, targetPhoneNumber ...string) error {
+	if len(targetPhoneNumber) == 0 {
+		return fmt.Errorf("missing parameter: targetPhoneNumber")
+	}
+
 	var paramArray []string
 	index := 0
 	for {

ucloud.go

@@ -33,7 +33,7 @@ type UcloudClient struct {
 }
 
 func GetUcloudClient(publicKey string, privateKey string, sign string, template string, projectId []string) (*UcloudClient, error) {
-	if len(projectId) < 1 {
+	if len(projectId) == 0 {
 		return nil, fmt.Errorf("missing parameter: projectId")
 	}
 
@@ -63,6 +63,10 @@ func (c *UcloudClient) SendMessage(param map[string]string, targetPhoneNumber ..
 		return fmt.Errorf("missing parameter: code")
 	}
 
+	if len(targetPhoneNumber) == 0 {
+		return fmt.Errorf("missing parameter: targetPhoneNumber")
+	}
+
 	req := c.core.NewSendUSMSMessageRequest()
 	req.SigContent = ucloud.String(c.Sign)
 	req.TemplateId = ucloud.String(c.Template)