微信公众平台开发入门教程
要对微信公众平台进行开发,首先需要成为开发者,可以到https://mp.weixin.qq.com/注册一个帐号,然后按要求填写相关信息即可。
有了公众号后,在公众平台的高级功能里选择开发模式,然后在服务器配置那里填写URL和Token两个选项,Token可以随便定义,一般是英文字母加数字,但对于URL就有一点难度了,最好有自己的主机或者虚似空间,没有的最好到新浪那里注册一个免费的空间。
技术方面,我最讨厌理论的东西了,我喜欢实例操作,相信很多人也是这样吧,那下面我就把我的操作过程写下来吧。
下面是我的操作记录,图也截下来了,如果上面的要求都满足了,不妨也跟着步骤操作一下。
1、下载微信公从平台官方的示例文件
到“http://mp.weixin.qq.com/wiki/index.php?title=接入指南”,找下载PHP求例代码,如图
2、获取URL
解压上面下载的文件后得到wx_sample.php,这里我把它重命名为wx.php,然后我到我的空间根目录新建一个文件夹api,再把wx.php文件上传到目录api里,这样我就获取到了,我的URL为http://w3note.com/api/wx.php,Token我就取名为w3note吧。
3、修改示例文件
上一步我们已经拥有了URL和Token,在填写公众平台开发模式下的服务器配置之前,先把我们先前上传的wx.php文件下载打开,找到”define("TOKEN", "weixin");“,这里我把weixin替换成我的Token名称为w3note,然后保存,上传覆盖,如图所示
4、填写服务器配置
在微信公众平台的开发模式的服务器配置那里填写上面获取的URL和Token信息,然后提交,成功后,会有提示,“你已成为开发者”,如图所示,
到这里,我已经成为开发者了,这是开发微信公众平台的开始!可能我们还对成为开发者能做什么一无所知,下面我就做一个实验,算作”扫肓“吧。
打开wx.php,写一个语句,调用接收器方法,如下图红框,
然后找到第49行,给$contentStr重新赋值为"hello world!",如图
接下来,用微信号和微信公众号通讯。
首先我用我的手机微信扫一下下面的图,然后关注w3note这个公众号。
为了测试方便,我就登录微信网页版(用手机也可以),https://web.weixin.qq.com/
我向w3note这个公众号发了一个笑脸,然后它就自动回复,如图
图中输出的"hello world!",就是前面代码中$contentStr变量的值。
再来一张

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