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This article introduces the knowledge of "how to understand the configuration and request of Wechat public platform development". Many people will encounter this dilemma in the operation of actual cases. then let the editor lead you to learn how to deal with these situations! I hope you can read it carefully and be able to achieve something!

I. configuration parameters

Define ('WEIXIN_APPID',' wxzzzzzzzz'); define ('WEIXIN_APPSECRET',' ouewjdsaudsamkh'); define ('WEIXIN_TOKEN',' 9973833232232'); define ('WEIXIN_NOTIFY_URL',' http://xx.com/xx/xx');define('WEIXIN_MCHID', '322221121'); define ('WEIXIN_KEY',' xddsdswewew')

1) ID in the development of Wechat official account

WEIXIN_APPID: apply ID

WEIXIN_APPSECRET: application key

Go to the home page of the public platform, click on the developer Center, and you will be surprised to see that these two defaults are available on the configuration page.

2) Server configuration

WEIXIN_TOKEN, or token token, is custom, must be in English or numeric, and is 3-32 characters long.

The URL server address, that is, the entrance address of the Wechat official account. On this page, I will do signature verification or receive event messages, click to view Wechat-related documents.

1. Signature verification: when you modify the configuration, you need to use this address for signature verification.

2. Receive event messages: it means to push some messages when following, and to do some specific logical operations.

3) WeChat Pay configuration

Click WeChat Pay menu

WEIXIN_MCHID: merchant number, which can be found in the merchant information

WEIXIN_NOTIFY_URL: WeChat Pay's asynchronous callback API, which can be used to update order status, send push and other logic.

WEIXIN_KEY: to set this payment key, log in to the WeChat Pay merchant platform. After logging in, click to enter API Security, and then download the certificate and set your own key to OK.

II. Request and debugging

There is a convenient curl in php, and CURLOPT_SSL_VERIFYPEER is mentioned here. Without this attribute at the beginning, the data returned each time you request a Wechat server is false. After using the HttpRequester simulation request of firefox, you can return to the data and find that you want to set this property after looking up the information.

CURLOPT_SSL_VERIFYPEER: whether to detect whether the server's certificate is issued by an authorized CA authenticated by a regular browser

/ * *

* original POST

* @ param $url address of the url request

* @ param $raw raw data, which can be a string or an array

* @ return mixed returns the requested value

, /

Public function rawpost ($url, $raw)

{

$resource = curl_init ()

Curl_setopt ($resource, CURLOPT_POST, true)

Curl_setopt ($resource, CURLOPT_URL, $url)

Curl_setopt ($resource, CURLOPT_POSTFIELDS, $raw)

Curl_setopt ($resource, CURLOPT_RETURNTRANSFER, true)

Curl_setopt ($resource, CURLOPT_SSL_VERIFYHOST, false)

Curl_setopt ($resource, CURLOPT_SSL_VERIFYPEER, false)

/ / curl_setopt ($resource, CURLOPT_HTTPHEADER, array ('Expect:'))

$data = curl_exec ($resource)

Curl_close ($resource)

Return $data

}

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