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微信手机端 网页 登陆(CI框架中的一个Model)
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<?php | |
/** | |
* 手机网页端三方登陆Model | |
* by 刘各欢 20150730 | |
* http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html | |
***/ | |
$id = config_item('wx_appid'); | |
$sec = config_item('wx_appsecret'); | |
define("APPID", $id); | |
define("APPSECRET",$sec); | |
class Login_model extends CI_Model{ | |
public $_id = APPID; | |
public $_sec = APPSECRET; | |
function _construct(){ | |
parent::__construct(); | |
} | |
function getServer(){ | |
$t1 = (strpos($_SERVER['SERVER_NAME'],"mtest.shuiqian.cc")===0); | |
$t2 = (strpos($_SERVER['HTTP_HOST'],"mtest.shuiqian.cc")===0); | |
$t3 = (strpos($_SERVER['SERVER_NAME'],"m.shuiqian.cc")===0); | |
$t4 = (strpos($_SERVER['HTTP_HOST'],"m.shuiqian.cc")===0); | |
if($t3||$t4){ | |
return "http://www.shuiqian.cc/"; | |
}else if($t1||$t2){ | |
return "http://test.shuiqian.cc/"; | |
} | |
} | |
/** | |
* 用获取的code去获取网页用户基本信息的access token | |
* @param $code | |
* @return mixed | |
*/ | |
public function getWxJSLoginToken($code){ | |
$actokenUrl = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" | |
.APPID | |
."&secret=" | |
.APPSECRET | |
."&code=" | |
.$code | |
."&grant_type=authorization_code"; | |
$res = $this->lhttps_request($actokenUrl);//记录access_token | |
$jsonArray = json_decode($res,true); | |
/*$actoken = $jsonArray["access_token"]; | |
$openid = $jsonArray["openid"]; | |
$unionid = $jsonArray["unionid"];*/ | |
return $jsonArray; | |
} | |
/** | |
* 用网页用户基本信息的access token和用户openid获取用户基本信息 | |
* @param $actoken | |
* @param $openid | |
* @return mixed | |
*/ | |
public function getWxUserInfo($actoken,$openid){ | |
//获取用户信息 | |
$userInfoUrl = "https://api.weixin.qq.com/sns/userinfo?access_token=".$actoken."&openid=".$openid."&lang=zh_CN"; | |
$userInfo = $this->lhttps_request($userInfoUrl); | |
$jsonArray = json_decode($userInfo,true); | |
return $jsonArray; | |
} | |
function returnAccessToken() | |
{ | |
$r = $this->db->get_where("tmp_info","id = 1")->row(); | |
$ac = ""; | |
if($r&&$r->wx_access_token){//如果记录存在,则验证时间是否过期 | |
$ac = $r->wx_access_token; | |
$ac_time = $r->wx_access_token_time; | |
if( (time()-$ac_time)>7100 ){//验证是否过期 | |
$temp = $this->getAccessToken(); | |
if($temp){ | |
$this->db->set('wx_access_token', $temp); | |
$this->db->set('wx_access_token_time', time()); | |
$this->db->where('id', 1); | |
$this->db->update('tmp_info'); | |
$ac = $temp; | |
} | |
} | |
}else{ //如果记录不存在 | |
$temp = $this->getAccessToken(); | |
if($temp){ | |
$this->db->set('wx_access_token', $temp); | |
$this->db->set('wx_access_token_time', time()); | |
if(!$r){ | |
$this->db->set('id', 1); | |
$this->db->insert('tmp_info'); | |
}else{ | |
$this->db->where('id', 1); | |
$this->db->update('tmp_info'); | |
} | |
$ac = $temp; | |
} | |
} | |
return trim($ac); | |
} | |
function getAccessToken() | |
{ | |
$info=$this->lhttp_request("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".APPID."&secret=".APPSECRET); | |
$token=json_decode($info); | |
if($info){ | |
return $token->{'access_token'}; | |
}else{ | |
return null; | |
} | |
} | |
function returnJsapiTicket() | |
{ | |
$this->db->reset_query(); | |
$r = $this->db->get_where("tmp_info","id = 1")->row(); | |
$ti = ""; | |
if($r&&$r->wx_jsapi_ticket){//如果记录存在,则验证时间是否过期 | |
$ti = $r->wx_jsapi_ticket; | |
$ti_time = $r->wx_jsapi_ticket_time; | |
if( (time()-$ti_time)>7100 ){//验证是否过期 | |
$temp = $this->getJsapiTicket(); | |
if($temp){ | |
$this->db->set('wx_jsapi_ticket', $temp); | |
$this->db->set('wx_jsapi_ticket_time', time()); | |
$this->db->where('id', 1); | |
$this->db->update('tmp_info'); | |
$ti = $temp; | |
} | |
} | |
}else{ //如果记录不存在 | |
$temp = $this->getJsapiTicket(); | |
if($temp){ | |
$this->db->set('wx_jsapi_ticket', $temp); | |
$this->db->set('wx_jsapi_ticket_time', time()); | |
$this->db->where('id', 1); | |
$this->db->update('tmp_info'); | |
$ti = $temp; | |
} | |
} | |
return trim($ti); | |
} | |
function getJsapiTicket() | |
{ | |
$info=$this->lhttps_request("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$this->returnAccessToken()."&type=jsapi"); | |
$token=json_decode($info); | |
return $token->{'ticket'}; | |
} | |
/** | |
* 生成随机字符串 | |
* @param int $pw_length | |
* @return string | |
*/ | |
function create_rand($pw_length = 6) | |
{ | |
$randpwd = ''; | |
for ($i = 0; $i < $pw_length; $i++) | |
{ | |
$randpwd .= chr(mt_rand(97, 122)); | |
} | |
return $randpwd; | |
} | |
function lhttp_request($url) | |
{ | |
$curl = curl_init(); | |
curl_setopt($curl, CURLOPT_URL, $url);//需要获取的URL地址,也可以在curl_init()函数中设置。 | |
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,FALSE);//禁用后cURL将终止从服务端进行验证。使用CURLOPT_CAINFO选项设置证书使用CURLOPT_CAPATH选项设置证书目录 如果CURLOPT_SSL_VERIFYPEER(默认值为2)被启用,CURLOPT_SSL_VERIFYHOST需要被设置成TRUE否则设置为FALSE。 | |
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); | |
curl_setopt($curl, CURLOPT_HTTPGET, TRUE);//默认即为GET请求 | |
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//将exec执行结果以文件流形式返回不是直接输出到浏览器 | |
$output = curl_exec($curl); | |
curl_close($curl); | |
return $output; | |
} | |
function lhttps_request($url,$data = null) | |
{ | |
$curl = curl_init(); | |
curl_setopt($curl, CURLOPT_URL, $url);//需要获取的URL地址,也可以在curl_init()函数中设置。 | |
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,FALSE);//禁用后cURL将终止从服务端进行验证。使用CURLOPT_CAINFO选项设置证书使用CURLOPT_CAPATH选项设置证书目录 如果CURLOPT_SSL_VERIFYPEER(默认值为2)被启用,CURLOPT_SSL_VERIFYHOST需要被设置成TRUE否则设置为FALSE。 | |
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); | |
curl_setopt($curl, CURLOPT_HTTPGET, TRUE);//默认即为GET请求 | |
if (!empty($data)) | |
{ | |
curl_setopt($curl, CURLOPT_HTTPGET, FALSE); | |
curl_setopt($curl, CURLOPT_POST, TRUE);//启用时会发送一个常规的POST请求,类型为:application/x-www-form-urlencoded,就像表单提交的一样。 | |
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);//全部数据使用HTTP协议中的"POST"操作来发送 | |
} | |
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//将exec执行结果以文件流形式返回不是直接输出到浏览器 | |
$output = curl_exec($curl); | |
curl_close($curl); | |
return $output; | |
} | |
/** | |
* 把url指向的图片保存在本地 | |
* @param $imgUrl | |
* @param $file | |
* @return mixed | |
*/ | |
function saveImgToFile($imgUrl,$file){ | |
$curl = curl_init(); | |
curl_setopt($curl, CURLOPT_URL, $imgUrl);//需要获取的URL地址,也可以在curl_init()函数中设置。 | |
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER,FALSE);//禁用后cURL将终止从服务端进行验证。使用CURLOPT_CAINFO选项设置证书使用CURLOPT_CAPATH选项设置证书目录 如果CURLOPT_SSL_VERIFYPEER(默认值为2)被启用,CURLOPT_SSL_VERIFYHOST需要被设置成TRUE否则设置为FALSE。 | |
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); | |
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//将exec执行结果以文件流形式返回不是直接输出到浏览器 | |
curl_setopt($curl, CURLOPT_FILE, $file); | |
curl_setopt($curl,CURLOPT_HEADER,0); | |
curl_setopt($curl, CURLOPT_HTTPGET, TRUE);//默认即为GET请求 | |
curl_exec($curl); | |
curl_close($curl); | |
} | |
} |
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