发布v2.5.3版本，更新内容请查看：https://github.com/bufanyun/hotgo/blob/v2.0/docs/guide-zh-CN/start-update-log.md

server/internal/library/wechat/cache.go

@@ -0,0 +1,64 @@
+package wechat
+
+import (
+	"context"
+	"github.com/gogf/gf/v2/os/gcache"
+	"hotgo/internal/library/cache"
+	"time"
+)
+
+type Cache struct {
+	ctx   context.Context
+	cache *gcache.Cache
+}
+
+// NewCache 实例化
+func NewCache(ctx context.Context, name ...*gcache.Cache) *Cache {
+	var defaultCache = cache.Instance()
+	if len(name) > 0 {
+		defaultCache = name[0]
+	}
+	return &Cache{ctx: ctx, cache: defaultCache}
+}
+
+// SetCache 设置缓存驱动
+func (r *Cache) SetCache(cache *gcache.Cache) {
+	r.cache = cache
+}
+
+// SetCtx 设置 ctx 参数
+func (r *Cache) SetCtx(ctx context.Context) {
+	r.ctx = ctx
+}
+
+// Get 获取一个值
+func (r *Cache) Get(key string) interface{} {
+	get, err := r.cache.Get(r.ctx, key)
+	if err != nil {
+		return nil
+	}
+	return get.Interface()
+}
+
+// Set 设置一个值
+func (r *Cache) Set(key string, val interface{}, timeout time.Duration) error {
+	return r.cache.Set(r.ctx, key, val, timeout)
+}
+
+// IsExist 判断key是否存在
+func (r *Cache) IsExist(key string) bool {
+	contains, err := r.cache.Contains(r.ctx, key)
+	if err != nil {
+		return false
+	}
+	return contains
+}
+
+// Delete 删除
+func (r *Cache) Delete(key string) error {
+	_, err := r.cache.Remove(r.ctx, key)
+	if err != nil {
+		return err
+	}
+	return nil
+}

server/internal/library/wechat/config.go

@@ -0,0 +1,13 @@
+package wechat
+
+import "hotgo/internal/model"
+
+var config *model.WechatConfig
+
+func SetConfig(c *model.WechatConfig) {
+	config = c
+}
+
+func GetConfig() *model.WechatConfig {
+	return config
+}

server/internal/library/wechat/wechat.go

@@ -0,0 +1,108 @@
+package wechat
+
+import (
+	"context"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/silenceper/wechat/v2"
+	"github.com/silenceper/wechat/v2/officialaccount"
+	offConfig "github.com/silenceper/wechat/v2/officialaccount/config"
+	officialJs "github.com/silenceper/wechat/v2/officialaccount/js"
+	officialOauth "github.com/silenceper/wechat/v2/officialaccount/oauth"
+	"github.com/silenceper/wechat/v2/openplatform"
+	openConfig "github.com/silenceper/wechat/v2/openplatform/config"
+	"hotgo/internal/consts"
+)
+
+// NewOfficialAccount 微信公众号实例
+func NewOfficialAccount(ctx context.Context) *officialaccount.OfficialAccount {
+	cfg := &offConfig.Config{
+		AppID:          config.OfficialAppID,
+		AppSecret:      config.OfficialAppSecret,
+		Token:          config.OfficialToken,
+		EncodingAESKey: config.OfficialEncodingAESKey,
+		Cache:          NewCache(ctx),
+	}
+	return wechat.NewWechat().GetOfficialAccount(cfg)
+}
+
+// NewOpenPlatform 开放平台实例
+func NewOpenPlatform(ctx context.Context) *openplatform.OpenPlatform {
+	cfg := &openConfig.Config{
+		AppID:          config.OpenAppID,
+		AppSecret:      config.OpenAppSecret,
+		Token:          config.OpenToken,
+		EncodingAESKey: config.OpenEncodingAESKey,
+		Cache:          NewCache(ctx),
+	}
+	return wechat.NewWechat().GetOpenPlatform(cfg)
+}
+
+// GetOpenOauthURL 代第三方公众号 - 获取网页授权地址
+func GetOpenOauthURL(ctx context.Context, redirectURI, scope, state string) (location string, err error) {
+	op := NewOpenPlatform(ctx)
+	appid := config.OfficialAppID // 公众号appid
+	oauth := op.GetOfficialAccount(appid).PlatformOauth()
+	if scope == "" {
+		scope = consts.WechatScopeBase
+	}
+	location, err = oauth.GetRedirectURL(redirectURI, scope, state, appid)
+	return
+}
+
+// GetOpenUserAccessToken 代第三方公众号 - 通过网页授权的code 换取access_token
+func GetOpenUserAccessToken(ctx context.Context, code string) (accessToken officialOauth.ResAccessToken, err error) {
+	op := NewOpenPlatform(ctx)
+	appid := config.OfficialAppID // 公众号appid
+	officialAccount := op.GetOfficialAccount(appid)
+	componentAccessToken, err := op.GetComponentAccessToken()
+	if err != nil {
+		return
+	}
+
+	accessToken, err = officialAccount.PlatformOauth().GetUserAccessToken(code, appid, componentAccessToken)
+	if err != nil {
+		return
+	}
+
+	if accessToken.ErrCode > 0 {
+		err = gerror.Newf("GetOpenUserAccessToken err:%+v", accessToken.ErrMsg)
+		return
+	}
+
+	return
+}
+
+// GetUserInfo 获取用户信息
+func GetUserInfo(ctx context.Context, token officialOauth.ResAccessToken) (info officialOauth.UserInfo, err error) {
+	oauth := NewOfficialAccount(ctx).GetOauth()
+	info, err = oauth.GetUserInfo(token.AccessToken, token.OpenID, "")
+	return
+}
+
+// GetOauthURL 获取网页授权地址
+func GetOauthURL(ctx context.Context, redirectURI, scope, state string) (location string, err error) {
+	oauth := NewOfficialAccount(ctx).GetOauth()
+	location, err = oauth.GetRedirectURL(redirectURI, scope, state)
+	return
+}
+
+// GetUserAccessToken 通过网页授权的code 换取access_token
+func GetUserAccessToken(ctx context.Context, code string) (accessToken officialOauth.ResAccessToken, err error) {
+	oauth := NewOfficialAccount(ctx).GetOauth()
+	accessToken, err = oauth.GetUserAccessToken(code)
+	if err != nil {
+		return
+	}
+
+	if accessToken.ErrCode > 0 {
+		err = gerror.Newf("GetUserAccessToken err:%+v", accessToken.ErrMsg)
+		return
+	}
+
+	return
+}
+
+// GetJsConfig 获取js配置
+func GetJsConfig(ctx context.Context, uri string) (config *officialJs.Config, err error) {
+	return NewOfficialAccount(ctx).GetJs().GetConfig(uri)
+}