微信 Jssdk 修改到无错的版本

来源：互联网发布：金钥匙注音软件编辑：程序博客网时间：2024/05/15 05:07

刚下载下来的JSSDK发现好多错误，然后经过多次调式修改后，终于没有错误了，我用的是ThinkPHP，jssdk.php，jsapi_ticket.php，access_token.php都放在ThinkPHP同级目录。

jssdk.php文件

<?php
class JSSDK {
private $appId;
private $appSecret;
private $url;

public function __construct($appId, $appSecret,$url) {
$this->appId = $appId;
$this->appSecret = $appSecret;
$this->url = $url;
}

public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();

// 注意 URL 一定要动态获取，不能 hardcode.
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
//$url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$url =$this->url;

$timestamp = time();//time() 函数返回当前时间的 Unix 时间戳。;
$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=$nonceStr&timestamp=$timestamp&url=$url";

$signature = sha1($string);

$signPackage = array(
"appId" => $this->appId,
"nonceStr" => $nonceStr,
"timestamp" => $timestamp,
"url" => $url,
"signature" => $signature,
"rawString" => $string
);
return $signPackage;
}

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;
}

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
$data = json_decode($this->get_php_file("jsapi_ticket.php"));
if ($data->expire_time < time()) {
$accessToken = $this->getAccessToken();
// 如果是企业号用以下 URL 获取 ticket
// $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
$res = json_decode($this->httpGet($url));
$ticket = $res->ticket;
if ($ticket) {
$data->expire_time = time() + 7000;
$data->jsapi_ticket = $ticket;
$this->set_php_file("jsapi_ticket.php", json_encode($data));
}
} else {
$ticket = $data->jsapi_ticket;
}

return $ticket;
}

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
$data = json_decode($this->get_php_file("access_token.php"));
if ($data->expire_time < time()) {
// 如果是企业号用以下URL获取access_token
// $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
$access_token = $res->access_token;
if ($access_token) {
$data->expire_time = time() + 7000;
$data->access_token = $access_token;
$this->set_php_file("access_token.php", json_encode($data));
}
} else {
$access_token = $data->access_token;
}
return $access_token;
}

private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
// 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。
// 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);// 被修改，原来是true;
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);// 被修改，原来是true;
curl_setopt($curl, CURLOPT_URL, $url);

$res = curl_exec($curl);
curl_close($curl);

return $res;
}

private function get_php_file($filename) {
return trim(file_get_contents($filename));// 被修改;
}
private function set_php_file($filename, $content) {
$fp = fopen($filename, "w");
fwrite($fp, $content);// 被修改;
fclose($fp);
}
}

access_token.php文件

{"access_token":"","expire_time":0}

jsapi_ticket.php文件

{"jsapi_ticket":"","expire_time":0}

IndexAction.class.php文件

class IndexAction extends Action {
public function index(){

require_once "jssdk.php";
$code = CODE;// 在其他地方（index.php里）把code值保存成全局变量;
$url = "http://jxltwh.com/weixin/dazpan/index.php?code=$code&state=123";
$jssdk = new JSSDK("wxdf4aad5e1b535e7e", "0500f3d3327d15d48f0d1a2bc54435d4", $url);
$signPackage = $jssdk->GetSignPackage();
$this -> assign('signPackage', $signPackage);

}

index.html文件

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>tests</title>
</head>
<body>

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