新建一张表，改下Appid和appSecret即可
<?php
namespace app\api\controller;
use think\Controller;
use think\Db;
class Jssdk extends Controller
{
private $appId = '';
private $appSecret = '';
//获取配置
public function getConf(){
$jsapiTicket = $this->getJsApiTicket();
//不对url进行过滤
$url = empty(input('post.url'))?"http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]":input('post.url','',null);
$timestamp = time();
$nonceStr = $this->createNonceStr();
// // 这里参数的顺序要按照 key 值 ASCII 码升序排序
$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
$signature = sha1($string);
$signPackage = array(
"appId" => $this->appId,
"nonceStr" => $nonceStr,
"timestamp" => $timestamp,
"url" => $url,
"signature" => $signature,
"rawString" => $string
);
return json($signPackage);
}
//获取jsapiTicket
private function getJsApiTicket() {
// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例
$data = Db::name('weixin_token')
->where('type','jsapi_ticket')
->find();
if($data['expire_time'] < time()){
// //如果数据库内令牌已失效 令牌有效期
$accessToken = $this->getAccessToken();
// print_r($accessToken);
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
$res = $this->httpGet($url);
if(!empty($res->errcode)){
$res->remarks = 'api_ticket获取失败';
die(json_encode($res));
}
if ($res->ticket) {
Db::name('weixin_token')
->where('type','jsapi_ticket')
->update([
'expire_time'=> time()+7000,
'code'=>$res->ticket
]);
}
return $res->ticket;
}
return $data['code'];
}
//获取AccessToken
private function getAccessToken() {
// access_token 应该全局存储与更新，以下代码以写入到文件中做示例
$data = Db::name('weixin_token')
->where('type','access_token')
->find();
// print_r($data);
if($data['expire_time']<time()){
//如果数据库内Token过期
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
//如果接口错误
if(!empty($res->errcode)){
$res->remarks = 'accessToken获取失败';
die(json_encode($res));
}
//更新数据库内token
if ($res->access_token) {
Db::name('weixin_token')
->where('type','access_token')
->update([
'expire_time'=> time()+7000,
'code'=>$res->access_token
]);
}
return $res->access_token;
}
return $data['code'];
}
//创建随机字符
private function createNonceStr($length = 16) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
//http获取
private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
}
