1 <?php
2
3 getwxacode();
4
5 //生成二维码
6 function getwxacode(){
7 $url = "https://api.weixin.qq.com/wxa/getwxacode?";
8 $url .= "access_token=" . getToken();
9 $postdata = [
10 "path" => "pages/index/index?clientId=3",
11 "width" => 430,
12 ];
13
14 $res = curl_post($url,json_encode($postdata),$options=array());
15 $img = './img/'.time().'.jpg';
16 $r = file_put_contents($img,$res);
17 echo "<img src='".$img."'>";
18
19 }
20
21
22 //发送获取token请求,获取token(2小时)
23 function getToken() {
24 $url = getTokenUrlStr();
25 $res = curl_post($url,$postdata='',$options=array());
26
27 $data = json_decode($res,JSON_FORCE_OBJECT);
28 return $data['access_token'];
29 }
30
31 //获取token的url参数拼接
32 function getTokenUrlStr()
33 {
34 $getTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?"; //获取token的url
35 $WXappid = "wx0399845015067c51"; //APPID
36 $WXsecret = "7d7205f85b79805006ecfa2121ef4272"; //secret
37 $str = $getTokenUrl;
38 $str .= "grant_type=client_credential&";
39 $str .= "appid=" . $WXappid . "&";
40 $str .= "secret=" . $WXsecret;
41
42 return $str;
43 }
44
45 function curl_post($url='',$postdata='',$options=array()){
46 $ch=curl_init($url);
47 curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
48 curl_setopt($ch,CURLOPT_POST,1);
49 curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
50 curl_setopt($ch, CURLOPT_TIMEOUT, 5);
51 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
52 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
53 if(!empty($options)){
54 curl_setopt_array($ch, $options);
55 }
56 $data=curl_exec($ch);
57 curl_close($ch);
58 return $data;
59 }
60
61 function curl_get($url='',$options=array()){
62 $ch=curl_init($url);
63 curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
64 curl_setopt($ch,CURLOPT_TIMEOUT,5);
65 if(!empty($options)){
66 curl_setopt_array($ch,$options);
67 }
68 $data=curl_exec($ch);
69 curl_close($ch);
70 return $data;
71 }
