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php一個文件搞定微信jssdk配置
學習PHP的小伙伴在處理微信jssdk配置的時候可能會遇到一些問題。以下是百分網小編精心為大家整理的php一個文件搞定微信jssdk配置，希望對大家有所幫助!更多內容請關注應屆畢業生網!
包括緩存，包括https通訊，獲取微信access_token，簽名什么的都有。但是防范性編程做得比較少，商業用的話，需要完善下代碼。
使用姿勢
?
^ajax(Common.ServerUrl + "GetWX.php", {
data: {
Type: "config",
url: location.href.split('#')[0]
},
dataType: 'json',
type: 'get',
timeout: 5000,
success: function(data) {
wx.config({
debug: true, // 開啟調試模式,調用的所有api的返回值會在客戶端alert出來，若要查看傳入的參數，可以在pc端打開，參數信息會通過log打出，僅在pc端時才會打印。
appId: '……', // 必填，公眾號的唯一標識
timestamp: data.timestamp, // 必填，生成簽名的時間戳
nonceStr: data.nonceStr, // 必填，生成簽名的隨機串
signature: data.signature, // 必填，簽名，見附錄1
jsApiList: ["getLocation"] // 必填，需要使用的JS接口列表，所有JS接口列表見附錄2
});
}
})
wx.ready(function() {
wx.getLocation({
type: 'wgs84', // 默認為wgs84的gps坐標，如果要返回直接給openLocation用的火星坐標，可傳入'gcj02'
success: function(res) {
var latitude = res.latitude; // 緯度，浮點數，范圍為90 ~ -90
var longitude = res.longitude; // 經度，浮點數，范圍為180 ~ -180。
plus2.storage.setItem("latitude", latitude);
plus2.storage.setItem("longitude", longitude);
}
});
});
服務端
GetWX.php
?
include "lib/Cache.php";
define($APPID, "……");
define($SECRET, "……")
if($_GET['Type'] == "access_token"){
// echo getAccess_token();
}
else if($_GET['Type'] == "jsapi_ticket"){
// echo getJsapi_ticket();
}
else if($_GET['Type'] == "config"){
$jsapi_ticket = getJsapi_ticket();
$nonceStr = "x".rand(10000,100000)."x"; //隨機字符串
$timestamp = time(); //時間戳
$url = $_GET['url'];
$signature = getSignature($jsapi_ticket,$nonceStr, $timestamp, $url);
$result = array("jsapi_ticket"=>$jsapi_ticket, "nonceStr"=>$nonceStr,"timestamp"=>$timestamp,"url"=>$url,"signature"=>$signature);
echo json_encode($result);
}
function getSignature($jsapi_ticket,$noncestr, $timestamp, $url){
$string1 = "jsapi_ticket=".$jsapi_ticket."&noncestr=".$noncestr."×tamp=".$timestamp."&url=".$url;
$sha1 = sha1($string1);
return $sha1;
}
function getJsapi_ticket(){
$cache = new Cache();
$cache = new Cache(7000, 'cache/'); //需要創建cache文件夾存儲緩存文件。
//從緩存從讀取鍵值 $key 的數據
$jsapi_ticket = $cache -> get("jsapi_ticket");
$access_token = getAccess_token();
//如果沒有緩存數據
if ($jsapi_ticket == false) {
$access_token = getAccess_token();
$url = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket';
$data = array('type'=>'jsapi','access_token'=>$access_token);
$header = array();
$response = json_decode(curl_https($url, $data, $header, 5));
$jsapi_ticket = $response->ticket;
//寫入鍵值 $key 的數據
$cache -> put("jsapi_ticket", $jsapi_ticket);
}
return $jsapi_ticket;
}
function getAccess_token(){
$cache = new Cache();
$cache = new Cache(7000, 'cache/');
//從緩存從讀取鍵值 $key 的數據
$access_token = $cache -> get("access_token");
//如果沒有緩存數據
if ($access_token == false) {
$url = 'https://api.weixin.qq.com/cgi-bin/token';
$data = array('grant_type'=>'client_credential','appid'=>$APPID,'secret'=>$SECRET);
$header = array();
$response = json_decode(curl_https($url, $data, $header, 5));
$access_token = $response->access_token;
//寫入鍵值 $key 的數據
$cache -> put("access_token", $access_token);
}
return $access_token;
}
/** curl 獲取 https 請求
* @param String $url 請求的url
* @param Array $data 要發送的數據
* @param Array $header 請求時發送的header
* @param int $timeout 超時時間，默認30s
*/
function curl_https($url, $data=array(), $header=array(), $timeout=30){
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳過證書檢查
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
$response = curl_exec($ch);
if($error=curl_error($ch)){
die($error);
}
curl_close($ch);
return $response;
}
?>
Cache.php
不知道哪位寫的源代碼~
?
class Cache {
private $cache_path;
//path for the cache
private $cache_expire;
//seconds that the cache expires
//cache constructor, optional expiring time and cache path
public function Cache($exp_time = 3600, $path = "cache/") {
$this -> cache_expire = $exp_time;
$this -> cache_path = $path;
}
//returns the filename for the cache
private function fileName($key) {
return $this -> cache_path . md5($key);
}
//creates new cache files with the given data, $key== name of the cache, data the info/values to store
public function put($key, $data) {
$values = serialize($data);
$filename = $this -> fileName($key);
$file = fopen($filename, 'w');
if ($file) {//able to create the file
fwrite($file, $values);
fclose($file);
} else
return false;
}
//returns cache for the given key
public function get($key) {
$filename = $this -> fileName($key);
if (!file_exists($filename) || !is_readable($filename)) {//can't read the cache
return false;
}
if (time() < (filemtime($filename) + $this -> cache_expire)) {//cache for the key not expired
$file = fopen($filename, "r");
// read data file
if ($file) {//able to open the file
$data = fread($file, filesize($filename));
fclose($file);
return unserialize($data);
//return the values
} else
return false;
} else
return false;
//was expired you need to create new
}
}
?>
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