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老师批语：
微信公众号 地理位置，使用jssdk
配置jssdk 的域名，view 中html引入js文件
配置wx.config
通过wx.ready处理成功的情况
application\index\controller\Weixin.php
<?php
namespace app\index\controller;
use think\Controller;
use think\facade\Cache;
class Weixin extends Controller
{
public function __construct(){
parent::__construct();
$this->model=model('Weixin');
}
public function index()
{
$valid=$this->model->valid();
if(!$valid){
exit('signature error');
}
$xmldata=file_get_contents("php://input");
file_put_contents('D://subs.txt',$xmldata);
/*
$xmldata='<xml><ToUserName><![CDATA[gh_f10a1709655b]]></ToUserName>
<FromUserName><![CDATA[o9i9i0TUiPy3hlFgcVk2lswL9T_U]]></FromUserName>
<CreateTime>1527982562</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[subscribe]]></Event>
<EventKey><![CDATA[]]></EventKey>
</xml>';
*/
// xml transfer object
$postObj=simplexml_load_string($xmldata,'SimpleXMLElement',LIBXML_NOCDATA);
$data=(array)$postObj;
// dump($data['FromUserName']);
if(isset($data['MsgType']) && $data['MsgType'] == 'event'){
//subscribe
if($data['Event'] == 'subscribe'){
$this->model->subscribe($data);
return 'subscribe ok';
}
//unsubscribe
if($data['Event'] == 'unsubscribe'){
$this->model->unsubscribe($data);
return 'unsubscribe ok';
}
}
// exit('');
}
public function get_access_token($iscache=true){
$cache_key='access_token';
if(!$iscache){
Cache::rm($cache_key);
}
$data=Cache::get($cache_key);
if($data && $iscache){
return $data;
}
$appid=config('app.appid');
$appsecret=config('app.APPSECRET');
$url='https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$appid.'&secret='.$appsecret;
$res=http_Get($url);
// dump($res);
$res=json_decode($res,true);
// dump($res);
if(!isset($res[$cache_key])){
return false;
}
Cache::set($cache_key,$res['access_token'],($res['expires_in']-600));
return $res[$cache_key];
}
public function custom_menu(){
$access_token=$this->get_access_token();
if(!$access_token){
exit('access_token get failed');
}
$url='https://api.weixin.qq.com/cgi-bin/menu/create?access_token='.$access_token;
$data = '{
"button":[
{
"type":"view",
"name":"Home",
"url":"http://scottshen.top/"
},
{
"type":"view",
"name":"视频教程",
"url":"http://www.baidu.com"
},
{
"name":"用户info",
"sub_button":[
{
"type":"view",
"name":"用户信息",
"url":"http://881c65b6.ngrok.io/index.php/index/weixin/auth"
},
{
"type":"view",
"name":"用户地理位置",
"url":"http://881c65b6.ngrok.io/index.php/index/weixin/location"
}]
}]
}';
$res=http_Post($url,$data);
dump($res);
}
public function auth(){
// halt(config('app.APPID'));
$appid=config('app.appid');
$redirect='http://881c65b6.ngrok.io/index.php/index/weixin/userinfo';
$url_code = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$appid.'&redirect_uri='.urlEncode($redirect)
.'&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect';
header('Location:'.$url_code);
}
public function userinfo(){
// dump(config('app.APPID'));
$code=input('get.code');
// dump($code);
$res=$this->model->auth_access_token($code);
// dump($res);
$auth_access_token=$res['access_token'];
$openid=$res['openid'];
// dump($auth_access_token);
$userinfo=$this->model->get_userinfo($auth_access_token,$openid);
dump($userinfo);
}
public function location(){
$data['appid']=config('app.appid');
$data['timestamp']=time();
$data['nonceStr']=md5(time().rand(1,999));
//生成签名
$access_token=$this->get_access_token();
$jsapi_ticket=$this->model->jsapi_ticket($access_token);
//签名字符串
//noncestr s小写，查了好久这个问题，报invalid signature,
//拼接字符串是noncestr
$parmas['noncestr']=$data['nonceStr'];
$parmas['jsapi_ticket']=$jsapi_ticket;
$parmas['timestamp']=$data['timestamp'];
$parmas['url']="http://881c65b6.ngrok.io/index.php/index/weixin/location";
ksort($parmas,SORT_STRING);
// dump($parmas);
$str=urldecode(http_build_query($parmas));
//生成签名
$data['signature']=sha1($str);
// dump(sha1($str));
// dump($data['signature']);
return $this->fetch('',$data);
}
}点击 "运行实例" 按钮查看在线实例
application\index\model\Weixin.php
<?php
namespace app\index\model;
use think\Model;
use think\Db;
use think\facade\Cache;
class Weixin extends Model
{
public function valid()
{
$signature=input('get.signature');
// $signature='c5052967c11f8d7e59c3b4011407b94c697b1ceb';
// var_dump($signature);
$timestamp=input('get.timestamp');
// $timestamp='1527896867';
$nonce=input('get.nonce');
// $nonce='3010175004';
$echostr=input('get.echostr');
// $echostr='9044276551450221539';
$token=config('app.token');
file_put_contents('d://data.txt','signature='.$signature.' timestmp='.$timestamp.' nonce='.$nonce.' echostr='.$echostr);
$tmpArr=array($timestamp,$nonce,$token);
sort($tmpArr,SORT_STRING);
// dump($tmpArr);
$tmpStr=implode($tmpArr);
// echo $tmpStr;
// $tmpStr=sha1($tmpStr);
//
if(sha1($tmpStr) != $signature){
// exit('error');
return false;
}
// 首次接入成功需要输出$echostr
// exit($echostr);
return true;
}
//网页授权access_tonken
public function auth_access_token($code){
$appid=config('app.appid');
$appsecret=config('app.APPSECRET');
$url='https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.
$appsecret.'&code='.$code.'&grant_type=authorization_code';
$res=http_Get($url);
$res=json_decode($res,true);
if(!isset($res['access_token'])){
return false;
}
return $res;
}
public function get_userinfo($auth_access_token,$openid){
$url='https://api.weixin.qq.com/sns/userinfo?access_token='.
$auth_access_token.'&openid='.
$openid.'&lang=zh_CN';
$res=http_Get($url);
$res=json_decode($res,true);
return $res;
}
public function subscribe($data){
dump($data['FromUserName']);
$user=Db::table('wechat')
->where('openid',$data['FromUserName'])
->find();
// halt($user);
// 新关注用户
if(!$user){
$data=['openid'=>$data['FromUserName'],
'sub_status'=>1,
'add_time'=>time(),
];
Db::table('wechat')
->insertGetId($data);
} else {
Db::table('wechat')
->where('openid',$data['FromUserName'])
->update(['sub_status'=>1]);
}
}
public function unsubscribe(){
Db:table('wechat')
->where('openid',$data['FromUserName'])
->update(['sub_status'=>0]);
}
// 获取jsai_ticket
public function jsapi_ticket($access_token,$iscache=true){
$key='jsapi_ticket';
if(!$iscache){
Cache::rm($key);
}
$data=Cache::get($key);
if($data && $iscache){
return $data;
}
$appid=config('app.appid');
$appsecret=config('app.APPSECRET');
$url='https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token='.
$access_token.'&type=jsapi';
$res=http_Get($url);
$res=json_decode($res,true);
if(!isset($res['ticket'])){
return false;
}
Cache::set($key,$res['ticket'],$res['expires_in']-100);
return $res['ticket'];
}
}点击 "运行实例" 按钮查看在线实例
application\index\view\weixin\location.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>location</title>
<script type="text/javascript" src="//res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
</head>
<body>
</body>
</html>
<script type="text/javascript">
wx.config({
debug: true, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
appId: '{$appid}', // 必填，公众号的唯一标识
timestamp: {$timestamp}, // 必填，生成签名的时间戳
nonceStr: '{$nonceStr}', // 必填，生成签名的随机串
signature: '{$signature}',// 必填，签名
jsApiList: ['getLocation','openLocation'] // 必填，需要使用的JS接口列表
});
wx.ready(function(){
getLocation(openLocation);
})
function getLocation(callback){
wx.getLocation({
type: 'gcj02', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02'
success: function (res) {
var latitude = res.latitude; // 纬度，浮点数，范围为90 ~ -90
var longitude = res.longitude; // 经度，浮点数，范围为180 ~ -180。
var speed = res.speed; // 速度，以米/每秒计
var accuracy = res.accuracy; // 位置精度
if(callback != undefined){
callback(res);
}
}
});
}
function openLocation(res){
wx.openLocation({
latitude: res.latitude, // 纬度，浮点数，范围为90 ~ -90
longitude: res.longitude, // 经度，浮点数，范围为180 ~ -180。
name: '', // 位置名
address: '', // 地址详情说明
scale: 20, // 地图缩放级别,整形值,范围从1~28。默认为最大
infoUrl: '' // 在查看位置界面底部显示的超链接,可点击跳转
});
}
</script>点击 "运行实例" 按钮查看在线实例
通过alert提示配置成功，显示wx.getLocation $res 信息，openLocation调用ok,最后显示地图中的定位
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