About the settings of WeChat applet URL and token

This article mainly introduces the relevant information on the detailed explanation of the URL and token settings of the WeChat applet. I hope this article can help everyone solve similar problems. Friends in need can refer to the following

WeChat applet Detailed explanation of url and token settings

Create a weixin.php file in the code of Sina Cloud Application sae and write the following code

define("TOKEN","myToken");// 后台填写的token，在微信公众平台启用
$wechatObj = new wechatAPI();
$wechatObj->isValid();
class wechatAPI
{
  public function isValid()//验证微信接口，验证函数以外的代码和微信公众号开发token设置相同
  {
     $echoStr = $_GET["echostr"];
     if ($this->checkSignature()) {
       header('content-type:text');//add，一定要加入header
      echo $echoStr;
      exit;
     }
  }
  private function checkSignature()  //官方的验证函数
  {
     $signature = $_GET["signature"];
     $timestamp = $_GET["timestamp"];
     $nonce = $_GET["nonce"];
     $token = TOKEN;
     $tmpArr = array($token, $timestamp, $nonce);
     sort($tmpArr, SORT_STRING);
     $tmpStr = implode( $tmpArr );
     $tmpStr = sha1( $tmpStr );
     if( $tmpStr == $signature ){
      return true;
     }else{
      return false;
     }
  }
};

After saving, access via url, copy the url in the address bar, and write it into the WeChat public platform

In the development settings of the WeChat public platform, fill in the url obtained above and The set token will automatically generate EncodingASEKey

Setting completed

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