The principles and steps for WeChat to obtain user geographical location information, obtain geographical location

The principles and steps for WeChat to obtain user geographical location information, obtain geographical location_PHP tutorial

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Release： 2016-07-12 09:04:59

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The principles and steps for WeChat to obtain user geographical location information. Obtaining geographical location

In the development requirements of WeChat public service accounts, there is often a function to obtain user location information, through the user's location Information, you can do some map navigation and LBS-based marketing activities.

The following will introduce to you the principles and steps for obtaining user location information through WeChat service accounts.

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>

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Parameter description:

参数	描述
ToUserName	开发者WeChat ID
FromUserName	Sender account (an OpenID)
CreateTime	Message creation time (integer)
MsgType	Message type, event
Event	Event type, LOCATION
Latitude	Geographical location latitude
Longitude	Geographical location longitude
Precision	Geolocation Accuracy

获取位置信息步骤

1. 申请服务号认证

只有通过认证的服务号，才能够获取访问微信高级服务的权限。

2. 开启用户位置信息获取功能

开发者中心 -> 获取用户地理位置

3. weiPHP地理位置信息消息处理。

1. 配置微信服务号开发接口

微信服务器将会把用户与微信之间的交互事件消息，通过此接口推送给SP服务器。

2. 在WeixinController的IndexAction中处理location消息。

将xml消息转化为php数组,然后取出经纬度信息，以备使用。

$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"].

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以上通过图文的方式给大家展示了微信获取用户地理位置信息的原理与步骤，希望大家喜欢。