微信公众帐号 服务号可以使用 自定义菜单功能。之前在创建菜单时一直失败，原因是$data 格式一直没有传正确，后来终于解决了。这里先记录下 顺便封装了一个类，便于自定义菜单的管理。此类仅仅是自定义菜单的管理类，并未涉及微信自定义回复和菜单事件的代码。

代码如下

 /**
 * @author LSH 2013-09-06 
 * 
 * 微信自定义菜单的创建|查询|取消
 */
class weixinMenu {

 public static $appid = null;  // 申请得到的appid

 public static $secret = null; // 申请得到的secret 

 public static $getToken = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";

 public static $createMenu = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=";

 public static $selMenu ="https://api.weixin.qq.com/cgi-bin/menu/get?access_token=";

 public static $delMenu = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=";

 public static $opt = array(
  CURLOPT_SSL_VERIFYPEER => false,
  CURLOPT_SSL_VERIFYHOST => false,
  CURLOPT_USERAGENT => "Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)",
  CURLOPT_FOLLOWLOCATION => 1,
  CURLOPT_AUTOREFERER =>1,
  CURLOPT_RETURNTRANSFER => true
  );

 public $ACCESS_TOKEN = null;

 /**
 * 创建菜单
 */
 public function create()
 {

 $this->token();

 $strMeau = "{
   "button":[
   {
      "type":"click",
      "name":"菜单左",
      "key":"V_MENU_LEFT"
    },
    {
      "type":"click",
      "name":"菜单中",
      "key":"V_MENU_CENTER"
    },
    {
   "type":"click",
   "name":"菜单右",
   "key":"V_MENU_RIGHT"
  }]
 }";

 $ret = $this->HttpPost(self::$createMenu.$this->ACCESS_TOKEN,self::$opt, $strMeau);

 echo $ret;
 }

 /**
 * 查询菜单
 */
 public function sel()
 {
 $this->token();

 $ret = $this->HttpGet(self::$selMenu.$this->ACCESS_TOKEN,self::$opt);

 echo $ret;
 }

 /**
 * 取消菜单
 */
 public function del()
 {
 $this->token();

 $ret = $this->HttpGet(self::$delMenu.$this->ACCESS_TOKEN,self::$opt);

 echo $ret;
 }

 /**
 * 获取token
 */
 private function token()
 {
 $tokenUrl = self::$getToken."&appid=".self::$appid."&secret=".self::$secret;
 $ret = $this->HttpGet($tokenUrl,self::$opt);

 $arrRet = json_decode($ret,true);

 $this->ACCESS_TOKEN = $arrRet["access_token"];
 }

 /**
 * POST 模式
 * @param string $url    post 的地址
 * @param array $opt    post 选项
 * @param array $post_data post 数据
 * @return mixed
 */
 private function HttpPost($url, $opt = array(),$post_data) 
 {
 $setopt = array(
  CURLOPT_HEADER => 0,            
  CURLOPT_RETURNTRANSFER => 1,   
  CURLOPT_URL => $url,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POST => 1,             
  CURLOPT_POSTFIELDS => $post_data, 
 );

 if ( !empty($opt) ) {
  foreach ($opt as $key => $value) {
  $setopt[$key] = $value;
  }
 }

 $curl = curl_init($url);

 foreach ($setopt as $key => $value) {
  curl_setopt($curl, $key, $value );
 }

 $responseText = curl_exec($curl);

 curl_close($curl);

 return $responseText;
 }

 /**
 * GET 方式
 * @param stinrg $url GET 的url
 * @param array $opt GET 的选项
 * @return mixed 
 */
 private function HttpGet($url, $opt = array()) 
 {
 $setopt = array(
  CURLOPT_HEADER => 0,
  CURLOPT_RETURNTRANSFER => 1,
  CURLOPT_URL => $url
 );

 if ( !empty($opt) ) {
  foreach ($opt as $key => $value) {
  $setopt[$key] = $value;
  }
 }

 $curl = curl_init($url);

 foreach ($setopt as $key => $value) {
  curl_setopt($curl, $key, $value );
 }

 $responseText = curl_exec($curl);

 curl_close($curl);

 return $responseText;
 }
}

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