<?php
/********************************************************
* @author Kyler You* @link http://mp.weixin.qq.com/wiki/home/index.html
* @version 2.0.1
* @uses $wxApi = new WxApi();
* @package 微信API接口 陆续会继续进行更新
********************************************************/
class WxApi {
const appId = "";
const appSecret = "";
const mchid = ""; //商户号
const privatekey = ""; //私钥
public $parameters = array();
public function __construct(){
}
/****************************************************
* 微信提交API方法，返回微信指定JSON
****************************************************/
public function wxHttpsRequest($url,$data = null){
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
if (!empty($data)){
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($curl);
curl_close($curl);
return $output;
}
/****************************************************
* 微信带证书提交数据 - 微信红包使用
****************************************************/
public function wxHttpsRequestPem($url, $vars, $second=30,$aHeader=array()){
$ch = curl_init();
//超时时间
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
//这里设置代理，如果有的话
//curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98');
//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
//以下两种方式需选择一种
//第一种方法，cert 与 key 分别属于两个.pem文件
//默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/apiclient_cert.pem');
//默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/apiclient_key.pem');
curl_setopt($ch,CURLOPT_CAINFO,'PEM');
curl_setopt($ch,CURLOPT_CAINFO,getcwd().'/rootca.pem');
//第二种方式，两个文件合成一个.pem文件
//curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem');
if( count($aHeader) >= 1 ){
curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
}
curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
$data = curl_exec($ch);
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
echo "call faild, errorCode:$error\n";
curl_close($ch);
return false;
}
}
/****************************************************
* 微信获取AccessToken 返回指定微信公众号的at信息
****************************************************/
public function wxAccessToken($appId = NULL , $appSecret = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$appSecret = is_null($appSecret) ? self::appSecret : $appSecret;
//echo $appId,$appSecret;
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appId."&secret=".$appSecret;
$result = $this->wxHttpsRequest($url);
//print_r($result);
$jsoninfo = json_decode($result, true);
$access_token = $jsoninfo["access_token"];
return $access_token;
}
/****************************************************
* 微信通过OPENID获取用户信息，返回数组
****************************************************/
public function wxGetUser($openId){
$wxAccessToken = $this->wxAccessToken();
$url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$wxAccessToken."&openid=".$openId."&lang=zh_CN";
$result = $this->wxHttpsRequest($url);
$jsoninfo = json_decode($result, true);
return $jsoninfo;
}
/****************************************************
* 微信通过指定模板信息发送给指定用户，发送完成后返回指定JSON数据
****************************************************/
public function wxSendTemplate($jsonData){
$wxAccessToken = $this->wxAccessToken();
$url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$wxAccessToken;
$result = $this->wxHttpsRequest($url,$jsonData);
return $result;
}
/****************************************************
* 发送自定义的模板消息
****************************************************/
public function wxSetSend($touser, $template_id, $url, $data, $topcolor = '#7B68EE'){
$template = array(
'touser' => $touser,
'template_id' => $template_id,
'url' => $url,
'topcolor' => $topcolor,
'data' => $data
);
$jsonData = json_encode($template);
$result = $this->wxSendTemplate($jsonData);
return $result;
}
/****************************************************
* 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_base //验证时不返回确认页面，只能获取OPENID
****************************************************/
public function wxOauthBase($redirectUrl,$state = "",$appId = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_base&state=".$state."#wechat_redirect";
return $url;
}
/****************************************************
* 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_userinfo //获取用户完整信息
****************************************************/
public function wxOauthUserinfo($redirectUrl,$state = "",$appId = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect";
return $url;
}
/****************************************************
* 微信OAUTH跳转指定URL
****************************************************/
public function wxHeader($url){
header("location:".$url);
}
/****************************************************
* 微信通过OAUTH返回页面中获取AT信息
****************************************************/
public function wxOauthAccessToken($code,$appId = NULL , $appSecret = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$appSecret = is_null($appSecret) ? self::appSecret : $appSecret;
$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appId."&secret=".$appSecret."&code=".$code."&grant_type=authorization_code";
$result = $this->wxHttpsRequest($url);
//print_r($result);
$jsoninfo = json_decode($result, true);
//$access_token = $jsoninfo["access_token"];
return $jsoninfo;
}
/****************************************************
* 微信通过OAUTH的Access_Token的信息获取当前用户信息 // 只执行在snsapi_userinfo模式运行
****************************************************/
public function wxOauthUser($OauthAT,$openId){
$url = "https://api.weixin.qq.com/sns/userinfo?access_token=".$OauthAT."&openid=".$openId."&lang=zh_CN";
$result = $this->wxHttpsRequest($url);
$jsoninfo = json_decode($result, true);
return $jsoninfo;
}
/*****************************************************
* 生成随机字符串 - 最长为32位字符串
*****************************************************/
public function wxNonceStr($length = 16, $type = FALSE) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
if($type == TRUE){
return strtoupper(md5(time() . $str));
}
else {
return $str;
}
}
/*******************************************************
* 微信商户订单号 - 最长28位字符串
*******************************************************/
public function wxMchBillno($mchid = NULL) {
if(is_null($mchid)){
if(self::mchid == "" || is_null(self::mchid)){
$mchid = time();
}
else{
$mchid = self::mchid;
}
}
else{
$mchid = substr(addslashes($mchid),0,10);
}
return date("Ymd",time()).time().$mchid;
}
/*******************************************************
* 微信格式化数组变成参数格式 - 支持url加密
*******************************************************/
public function wxSetParam($parameters){
if(is_array($parameters) && !empty($parameters)){
$this->parameters = $parameters;
return $this->parameters;
}
else{
return array();
}
}
/*******************************************************
* 微信格式化数组变成参数格式 - 支持url加密
*******************************************************/
public function wxFormatArray($parameters = NULL, $urlencode = FALSE){
if(is_null($parameters)){
$parameters = $this->parameters;
}
$restr = "";//初始化空
ksort($parameters);//排序参数
foreach ($parameters as $k => $v){//循环定制参数
if (null != $v && "null" != $v && "sign" != $k) {
if($urlencode){//如果参数需要增加URL加密就增加，不需要则不需要
$v = urlencode($v);
}
$restr .= $k . "=" . $v . "&";//返回完整字符串
}
}
if (strlen($restr) > 0) {//如果存在数据则将最后“&”删除
$restr = substr($restr, 0, strlen($restr)-1);
}
return $restr;//返回字符串
}
/*******************************************************
* 微信MD5签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法]
*******************************************************/
public function wxMd5Sign($content, $privatekey){
try {
if (is_null($key)) {
throw new Exception("财付通签名key不能为空！");
}
if (is_null($content)) {
throw new Exception("财付通签名内容不能为空");
}
$signStr = $content . "&key=" . $key;
return strtoupper(md5($signStr));
}
catch (Exception $e)
{
die($e->getMessage());
}
}
/*******************************************************
* 微信Sha1签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法]
*******************************************************/
public function wxSha1Sign($content, $privatekey){
try {
if (is_null($key)) {
throw new Exception("财付通签名key不能为空！");
}
if (is_null($content)) {
throw new Exception("财付通签名内容不能为空");
}
$signStr = $content . "&key=" . $key;
return strtoupper(sha1($signStr));
}
catch (Exception $e)
{
die($e->getMessage());
}
}
/*******************************************************
* 将数组解析XML - 微信红包接口
*******************************************************/
public function wxArrayToXml($parameters = NULL){
if(is_null($parameters)){
$parameters = $this->parameters;
}
if(!is_array($parameters) || empty($parameters)){
die("参数不为数组无法解析");
}
$xml = "";
foreach ($arr as $key=>$val)
{
if (is_numeric($val))
{
$xml.="".$val."";
}
else
$xml.="";
}
$xml.="";
return $xml;
}
}
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