fix: work js-api signature

officialaccount/js/js.go

@@ -39,7 +39,6 @@ func (js *Js) SetJsTicketHandle(ticketHandle credential.JsTicketHandle) {
 // GetConfig 获取jssdk需要的配置参数
 // uri 为当前网页地址
 func (js *Js) GetConfig(uri string) (config *Config, err error) {
-	config = new(Config)
 	var accessToken string
 	accessToken, err = js.GetAccessToken()
 	if err != nil {
@@ -50,12 +49,11 @@ func (js *Js) GetConfig(uri string) (config *Config, err error) {
 	if err != nil {
 		return
 	}
-
 	nonceStr := util.RandomStr(16)
 	timestamp := util.GetCurrTS()
 	str := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s&timestamp=%d&url=%s", ticketStr, nonceStr, timestamp, uri)
 	sigStr := util.Signature(str)
-
+	config = new(Config)
 	config.AppID = js.AppID
 	config.NonceStr = nonceStr
 	config.Timestamp = timestamp

work/jsapi/jsapi.go

@@ -1,7 +1,7 @@
 package jsapi
 
 import (
-	"strconv"
+	"fmt"
 
 	"github.com/silenceper/wechat/v2/credential"
 	"github.com/silenceper/wechat/v2/util"
@@ -49,7 +49,8 @@ func (js *Js) GetConfig(uri string) (config *Config, err error) {
 	}
 	config.NonceStr = util.RandomStr(16)
 	config.Timestamp = util.GetCurrTS()
-	config.Signature = util.Signature(ticketStr, config.NonceStr, strconv.FormatInt(config.Timestamp, 10), uri)
+	str := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s&timestamp=%d&url=%s", ticketStr, config.NonceStr, config.Timestamp, uri)
+	config.Signature = util.Signature(str)
 	return
 }
 
@@ -68,6 +69,7 @@ func (js *Js) GetAgentConfig(uri string) (config *Config, err error) {
 	}
 	config.NonceStr = util.RandomStr(16)
 	config.Timestamp = util.GetCurrTS()
-	config.Signature = util.Signature(ticketStr, config.NonceStr, strconv.FormatInt(config.Timestamp, 10), uri)
+	str := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s&timestamp=%d&url=%s", ticketStr, config.NonceStr, config.Timestamp, uri)
+	config.Signature = util.Signature(str)
 	return
 }