开发微信公众平台消息接口过程中,我们首先需要验证消息接口的有效性,验证通过后,才可以进行其他开发。首先我们来看一下微信公众平台给我的 PHP SDK
1、需要设置一个 TOKEN 信息
efine("TOKEN", "weixin");
这个 TOKEN 信息可以由开发者自行设定。
2、有个 wechatCallbackapiTest 类,该类中含有3个方法:valid、responseMsg、checkSignature,其中方法valid、checkSignature是用作验证接口URL有效性用的,responseMsg是我们使用最多的方法,后续大部分的开发工作都会在这里完成。
在我们对接口进行有效性验证通过后,就不再需要进行验证了,这时我们就需要使用到 responseMsg 方法。那么如何保证接口验证通过后,不需要去切换其中的方法或修改其中的代码呢?
我是这样做的:
<?php public function indexAction() { if (isset($_GET['echostr'])) { $echoStr = $_GET["echostr"]; //valid signature , option if ($this->checkSignatureAction()) { echo $echoStr; exit; } } else { $this->responseMsgAction(); } return FALSE; } ?>
讲解一下:
因为在验证接口有效性时传递了个 echostr 参数,而在消息接口响应过程中没有这个参数,所有我们这里用这个参数来判断是验证接口还是接口响应:
isset($_GET['echostr'])
永久链接:
转载随意!带上文章地址吧。

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