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WeChat service account development-obtain user location information, obtain_PHP tutorial
- WBOYOriginal
- 2016-07-12 09:05:091251browse
WeChat service account development-obtain user location information, obtain
WeChat service account development-obtain user location information
In the development of WeChat public accounts, obtaining user location information is a very common functional requirement. Through the user's location information, you can do some map navigation and LBS-based marketing activities.
The following will introduce the principles and steps for WeChat service accounts to obtain user location information.
Principle
1. Location information acquisition process
2. Location information message
<xml><ToUserName><![CDATA[gh_public_member_account]]></ToUserName> <FromUserName><![CDATA[oNEGGwGfl8f5xMEqVHToL63LDL40]]></FromUserName> <CreateTime>1444035882</CreateTime> <MsgType><![CDATA[event]]></MsgType> <Event><![CDATA[LOCATION]]></Event> <Latitude>28.701618</Latitude> <Longitude>115.818817</Longitude> <Precision>30.000000</Precision> </xml>
Parameter description:
| 参数 | 描述 |
|---|---|
| ToUserName | 开发者微信号 |
| FromUserName | 发送方帐号（一个OpenID） |
| CreateTime | 消息创建时间 （整型） |
| MsgType | 消息类型，event |
| Event | 事件类型，LOCATION |
| Latitude | 地理位置纬度 |
| Longitude | 地理位置经度 |
| Precision | 地理位置精度 |
Steps to obtain location information
1. Apply for service account certification
Only certified service accounts can gain access to WeChat advanced services.
2. Enable user location information acquisition function
Developer Center -> Get user location
3. weiPHP geographical location information message processing.
1. Configure WeChat service account development interface
The WeChat server will push the interaction event messages between the user and WeChat to the SP server through this interface.
2. Process the location message in IndexAction of WeixinController.
Convert the xml message into a php array, and then take out the latitude and longitude information for use.
$content = file_get_contents ( 'php://input' );
$data = new \SimpleXMLElement ( $content );
foreach ( $data as $key => $value ) {
$this->data [$key] = strval ( $value );
}
// to use data["longitude"]; data["latitude"].
LOCATION location information WeChat development