A carry-look-ahead adder improves speed by reducing the time required to determine carry bits.The “CLA logic” is also the timing critical psth inthe design.面积换速度,3个16bit的CLA来提高一个32bit的CLA we wiil use three 16-bits adders to design…
//获取token
public function getAccessToken($appId,$appSecret)
{// 请求API获取 access_token$url "https://api.weixin.qq.com/cgi-bin/token?grant_typeclient_credential&appid{$this->appId}&secret{$this->appSecret}";$result $this->g…