1 <?php 2 /**自己写的
　　*/ 3 $wechatObj = new wechatCallbackapiTest(); 4 $wechatObj->valid(); 5 $wechatObj->responseMsg();//响应消息 6 $wechatObj->set_menu();//自定义菜单 7  8 class wechatCallbackapiTest 9 { 10 /** 11 * 绑定url、token信息 12 */   13 public function valid() 14  { 15 $echoStr = $_GET["echostr"]; 16  17 //valid signature , option 18 if($this->checkSignature()){ 19 echo $echoStr; 20 exit; 21  } 22  } 23  24 /** 25 * 接收消息，并自动发送响应信息 26 */  27 public function responseMsg() 28  { 29 //get post data, May be due to the different environments 30 $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; 31  32 //extract post data 33  //提取post数据  34 if (!empty($postStr)){ 35  36 $postObj = simplexml_load_string($postStr, ‘SimpleXMLElement‘, LIBXML_NOCDATA); 37 $fromUsername = $postObj->FromUserName;//发送人  38 $toUsername = $postObj->ToUserName;//接收人  39 $keyword = trim($postObj->Content);//消息内容  40 $time = time();//当前时间做为回复时间  41  42 $textTpl = "<xml> 43  <ToUserName><![CDATA[%s]]></ToUserName> 44  <FromUserName><![CDATA[%s]]></FromUserName> 45  <CreateTime>%s</CreateTime> 46  <MsgType><![CDATA[%s]]></MsgType> 47  <Content><![CDATA[%s]]></Content> 48  <FuncFlag>0</FuncFlag> 49 </xml>";  50 if(!empty( $keyword )) 51  { 52 $msgType = "text"; 53 $contentStr = "lpc"; 54 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); 55 echo $resultStr; 56 }else{ 57 echo "Input something..."; 58  } 59  60 }else { 61 echo ""; 62 exit; 63  } 64  } 65  66 /** 67 * 检查签名，确保请求是从微信发过来的 68 */    69 private function checkSignature() 70  { 71 $signature = $_GET["signature"]; 72 $timestamp = $_GET["timestamp"]; 73 $nonce = $_GET["nonce"];  74  75 $token = TOKEN; 76 $tmpArr = array($token, $timestamp, $nonce); 77 sort($tmpArr); 78 $tmpStr = implode( $tmpArr ); 79 $tmpStr = sha1( $tmpStr ); 80  81 if( $tmpStr == $signature ){ 82 return true; 83 }else{ 84 return false; 85  } 86  } 87  88 /** 89 * 自定义菜单 90 */   91 public function set_menu() 92  { 93 $access_token = $this->check_token(); 94  95 if ($access_token==‘no‘) { 96  97 }else{ 98 $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=$access_token"; 99 100 $post_data = ‘ 101  {102  "button":[103  { 104  "type":"view",105  "name":"首页",106  "url":"http://www.lpcblog.com/weixin/shop/"107  },108  { 109  "name":"个人中心",110  "sub_button":[111  { 112  "type":"view",113  "name":"个人信息",114  "url":"http://www.lpcblog.com/weixin/shop/user.html"115  },116  { 117  "type":"view",118  "name":"个人账户",119  "url":"http://www.lpcblog.com/weixin/shop/myuser.html"120  }]121  },122  { 123  "type":"click",124  "name":"关于我们",125  "key":"V1001_TODAY_MUSIC"126  }127  ]128 }‘;129 130 //设置菜单也是post传值131 return json_decode($this->curl($url,$post_data);132  } 133  }134 135 //判断token值时效方法136 public function check_token()137  {138 if (file_exists(‘token.txt‘)) 139  { 140 //判断token值时效,修改时间141 $mtime=filemtime("token.txt");142 if((time()-$mtime)<7000){143 return $this->read_access_token();144 }else{145 return ‘NO‘;146  }147 }else{148 $this->mem_token();149 return $this->read_access_token();150  } 151  }152 153 //curl封装类154 public function curl($url,$data=array())155  {156 // 初始化curl157 $ch = curl_init();158 159 curl_setopt($ch, CURLOPT_URL, $url);160 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);161 162 // 开启支持https163 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);164 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);165 // post数据166 curl_setopt($ch, CURLOPT_POST, 1);167 // post的变量168 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);169 170 $output = curl_exec($ch);171 // 关闭curl172 curl_close($ch);173 return $output;174  }175 176 //获取access_token方法177 public function get_token()178  {179 //加载常量文件180 include(‘define.php‘);181 //微信获取access_token地址182 $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".APPID."&secret=".APP_SECRET;183 184 //传值方式POST185 $post_data = array(186 ‘grant_type‘=>‘client_credential‘,187 ‘appid‘=>APPID,188 ‘client_secret‘=>APP_SECRET,189  );190 //curl方法模拟提交获取access_token(格式json)191 $access_token = json_decode($this->curl($url,$post_data);192 if($access_token[‘access_token‘]){193 return $access_token;194 }else{195 return "获取access_token失败";196  }197  }198 199 //读取access_token的方法200 public function read_access_token()201  {202 $token = unserialize(file_get_contents(‘token.txt‘));203 return $token[‘access_token‘];204  }205 206 //存token方法207 public function mem_token()208  {209 //调用获取access_token的方法210 $access_token = $this->get_token();211 //序列化返回的access_token212 $txt = serialize($access_token);213 //保存access_token214 file_put_contents(‘token.txt‘,$txt);215  }216 }