包括缓存，包括https通讯，获取微信access_token，签名什么的都有。但是防范性编程做得比较少，商业用的话，需要完善下代码。
使用姿势
服务端
GetWX.PHP
echo json_encode($result);
}
function getSignature($jsapi_ticket,$noncestr,$url){
$string1 = "jsapi_ticket=".$jsapi_ticket."&noncestr=".$noncestr."×tamp=".$timestamp."&url=".$url;
$sha1 = sha1($string1);
return $sha1;
}
function getJsapi_ticket(){
$cache = new Cache();
$cache = new Cache(7000,'cache/'); //需要创建cache文件夹存储缓存文件。
//从缓存从读取键值 $key 的数据
$jsapi_ticket = $cache -> get("jsapi_ticket");
$access_token = getAccess_token();
//如果没有缓存数据
if ($jsapi_ticket == false) {
$access_token = getAccess_token();
$url = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket';
$data = array('type'=>'jsapi','access_token'=>$access_token);
$header = array();
$response = json_decode(curl_https($url,$data,$header,5));
$jsapi_ticket = $response->ticket;
//写入键值 $key 的数据
$cache -> put("jsapi_ticket",$jsapi_ticket);
}
return $jsapi_ticket;
}
function getAccess_token(){
$cache = new Cache();
$cache = new Cache(7000,'cache/');
//从缓存从读取键值 $key 的数据
$access_token = $cache -> get("access_token");
//如果没有缓存数据
if ($access_token == false) {
$url = 'https://api.weixin.qq.com/cgi-bin/token';
$data = array('grant_type'=>'client_credential','appid'=>$APPID,'secret'=>$SECRET);
$header = array();
$response = json_decode(curl_https($url,5));
$access_token = $response->access_token;
//写入键值 $key 的数据
$cache -> put("access_token",$access_token);
}
return $access_token;
}
/** curl 获取 https 请求
- @param String $url 请求的url
- @param Array $data 要發送的數據
- @param Array $header 请求时发送的header
- @param int $timeout 超时时间，默认30s
*/
function curl_https($url,$data=array(),$header=array(),$timeout=30){
$ch = curl_init();
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); // 跳过证书检查
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_HTTPHEADER,$header);
curl_setopt($ch,CURLOPT_POST,true);
curl_setopt($ch,CURLOPT_POSTFIELDS,http_build_query($data));
curl_setopt($ch,CURLOPT_RETURNTRANSFER,CURLOPT_TIMEOUT,$timeout);
$response = curl_exec($ch);
if($error=curl_error($ch)){
die($error);
}
curl_close($ch);
return $response;
}
?>
public function Cache($exp_time = 3600,$path = "cache/") {
$this -> cache_expire = $exp_time;
$this -> cache_path = $path;
}
//returns the filename for the cache
private function fileName($key) {
return $this -> cache_path . md5($key);
}
//creates new cache files with the given data,$key== name of the cache,data the info/values to store
public function put($key,$data) {
$values = serialize($data);
$filename = $this -> fileName($key);
$file = fopen($filename,'w');
if ($file) {//able to create the file
fwrite($file,$values);
fclose($file);
} else
return false;
}
//returns cache for the given key
public function get($key) {
$filename = $this -> fileName($key);
if (!file_exists($filename) || !is_readable($filename)) {//can't read the cache
return false;
}
if (time() < (filemtime($filename) + $this -> cache_expire)) {//cache for the key not expired
$file = fopen($filename,"r");
// read data file
if ($file) {//able to open the file
$data = fread($file,filesize($filename));
fclose($file);
return unserialize($data);
//return the values
} else
return false;
} else
return false;
//was expired you need to create new
}
}
?>
