func NewServer(setting *ServerSetting) *Server {
if setting == nil {
panic("wechat.NewServer: setting == nil")
}
const requestPoolSize = 1024 // 不暴露这个选项是为了变更到 sync.Pool 不做大的变动
var srv Server
srv.setting.initialize(setting)
srv.messageRequestPool = pool.New(newMessageRequest, requestPoolSize)
return &srv
}
// It will default to http.DefaultClient if httpClient == nil.
func NewClient(appid, appsecret string, httpClient *http.Client) *Client {
const bufferPoolSize = 16 // 不暴露这个选项是为了变更到 sync.Pool 不做大的变动
c := &Client{
appid: appid,
appsecret: appsecret,
resetRefreshTickChan: make(chan time.Duration), // 同步 channel
bufferPool: pool.New(newBuffer, bufferPoolSize),
}
if httpClient == nil {
c.httpClient = http.DefaultClient
} else {
c.httpClient = httpClient
}
go c.tokenService() // 定时更新 c.token
c.TokenRefresh() // *同步*获取 access token
return c
}