How to use ThinkPHP6 to implement WeChat JS-SDK signature

With the popularity of WeChat public account development, during the development process, WeChat JS-SDK can be used to conveniently operate WeChat API. The most important step is to implement the signature of JS-SDK. This article will introduce how to use the ThinkPHP6 framework to efficiently complete the implementation of WeChat JS-SDK signature.

1. Obtain the parameters required for WeChat JS-SDK

Before using JS-SDK, you need to apply for some parameters from the WeChat server, including appid, timestamp , nonceStr, signature, the acquisition method is as follows:

$appId = "wxxxxxxxxxxxxxxx"; //正确的微信AppID
$jsTicket = "kgt8ON7yVITDhtdwci0qed6Q8tW6ozAAAAAAAAAABw0VFbV6GMpGqzPJHxhUW1Xa"; //正确的jsTicket
$url = "http://tocacar.com/wechat/index/index"; //当前网页的URL，不包含#及其后面部分
$timestamp = time(); //当前时间戳
$nonceStr = md5(uniqid(mt_rand(), true));

$signature = sha1("jsapi_ticket={$jsTicket}&noncestr={$nonceStr}&timestamp={$timestamp}&url={$url}");

// $signature 即为所需要的签名值

2. Define the method of obtaining signature

In ThinkPHP6, you can A method to obtain the WeChat JS-SDK signature is defined in the Controller, as follows:

// 定义获取微信JS-SDK签名的方法
public function getJsSdkSign()
{
    $appId = "wxxxxxxxxxxxxxxx"; //正确的微信AppID
    $jsTicket = "kgt8ON7yVITDhtdwci0qed6Q8tW6ozAAAAAAAAAABw0VFbV6GMpGqzPJHxhUW1Xa"; //正确的jsTicket
    $url = "http://tocacar.com/wechat/index/index"; //当前网页的URL，不包含#及其后面部分
    $timestamp = time(); //当前时间戳
    $nonceStr = md5(uniqid(mt_rand(), true));
    
    $signature = sha1("jsapi_ticket={$jsTicket}&noncestr={$nonceStr}&timestamp={$timestamp}&url={$url}");
    
    $res = [
        'appId' => $appId,
        'timestamp' => $timestamp,
        'nonceStr' => $nonceStr,
        'signature' => $signature,
        'jsApiList' => ['onMenuShareTimeline', 'onMenuShareAppMessage', 'chooseWXPay'] //需要使用的JS接口列表
    ];
    
    return json($res); //返回JSON格式的数据
}

3. Call the method to obtain the signature in the page

In the page that needs to call the JS-SDK, you can use AJAX calls the method defined above to obtain the signature. After obtaining the signature parameters, the WeChat API is called. The sample code is as follows:

$.ajax({
    type: 'get',
    url: '/index/getJsSdkSign', //定义的获取微信JS-SDK签名的方法的URL
    dataType: 'json',
    success: function(data) {
        //获取到签名参数后，再调用微信API
        wx.config({
            debug: false,
            appId: data.appId,
            timestamp: data.timestamp,
            nonceStr: data.nonceStr,
            signature: data.signature,
            jsApiList: data.jsApiList
        });
        
        wx.ready(function () {
            // 在这里调用需要使用JS-SDK的微信API
        });
    }
});

4. Summary

This article introduces how to use the ThinkPHP6 framework to efficiently complete the implementation of WeChat JS-SDK signature. By defining the method of obtaining the signature, it is easier and more efficient to obtain the WeChat JS-SDK signature parameters. If you are developing a WeChat public account, you may wish to refer to the above methods to improve development efficiency.

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