83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package wechat
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/fonchain_enterprise/micro-account/pkg/cache"
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"io/ioutil"
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"net/http"
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"time"
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)
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type TokenInfo struct {
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AccessToken string `json:"access_token"`
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CreateDate string `json:"createDate"`
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ErrCode int `json:"errcode"`
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}
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func getNowAccessToken(appID, appSecret string) (openInfo *TokenInfo, err error) {
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str := "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s"
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url := fmt.Sprintf(str, appID, appSecret)
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resp, err := http.Get(url)
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if err != nil {
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fmt.Println(err)
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return nil, err
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}
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body, err := ioutil.ReadAll(resp.Body)
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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fmt.Printf("请求失败%d\n", resp.StatusCode)
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return nil, errors.New(fmt.Sprintf("请求失败%d", resp.StatusCode))
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}
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fmt.Println("返回数据是", string(body))
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err = json.Unmarshal(body, &openInfo)
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if err != nil {
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fmt.Println(err)
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return nil, err
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}
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if openInfo.ErrCode != 0 {
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fmt.Println("微信提示错误", string(body))
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return nil, errors.New("微信提示错误:" + string(body))
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}
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return
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}
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func GetAccessToken(appID, appSecret string) (openInfo *TokenInfo, err error) {
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key := "wx:token:" + appID
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str := cache.RedisClient.Get(key)
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if str.Val() != "" { //存在
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err := json.Unmarshal([]byte(str.Val()), &openInfo)
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return openInfo, err
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}
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//更新
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openInfo, err = getNowAccessToken(appID, appSecret)
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if err != nil {
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return nil, err
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}
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openInfo.CreateDate = time.Now().Format("2006-01-02 15:04:05")
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r, err := json.Marshal(openInfo)
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fmt.Println(string(r))
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_, err = cache.RedisClient.Set(key, string(r), 6500*time.Second).Result()
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return openInfo, err
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}
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