php一個(gè)文件搞定微信jssdk配置：

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(yè)用的話，需要完善下代碼。

使用姿勢(shì)

^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(diào)試模式,調(diào)用的所有api的返回值會(huì)在客戶端alert出來(lái)，若要查看傳入的參數(shù)，可以在pc端打開，參數(shù)信息會(huì)通過(guò)log打出，僅在pc端時(shí)才會(huì)打印。   appId: '……', // 必填，公眾號(hào)的唯一標(biāo)識(shí)   timestamp: data.timestamp, // 必填，生成簽名的時(shí)間戳   nonceStr: data.nonceStr, // 必填，生成簽名的隨機(jī)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(rèn)為wgs84的gps坐標(biāo)，如果要返回直接給openLocation用的火星坐標(biāo)，可傳入'gcj02'  success: function(res) {   var latitude = res.latitude; // 緯度，浮點(diǎn)數(shù)，范圍為90 ~ -90   var longitude = res.longitude; // 經(jīng)度，浮點(diǎn)數(shù)，范圍為180 ~ -180。   plus2.storage.setItem("latitude", latitude);   plus2.storage.setItem("longitude", longitude);  } });});

服務(wù)端

GetWX.php

<?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(jī)字符串  $timestamp = time(); //時(shí)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=".$noncestr."&timestamp=".$timestamp."&url=".$url;  $sha1 = sha1($string1);  return $sha1; } function getJsapi_ticket(){  $cache = new Cache();  $cache = new Cache(7000, 'cache/'); //需要?jiǎng)?chuàng)建cache文件夾存儲(chǔ)緩存文件。  //從緩存從讀取鍵值 $key 的數(shù)據(jù)  $jsapi_ticket = $cache -> get("jsapi_ticket");  $access_token = getAccess_token();  //如果沒有緩存數(shù)據(jù)  if ($jsapi_ticket == false) {   $access_token = getAccess_token();   $url = 'http://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(shù)據(jù)   $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(shù)據(jù)  $access_token = $cache -> get("access_token");  //如果沒有緩存數(shù)據(jù)  if ($access_token == false) {   $url = 'http://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(shù)據(jù)   $cache -> put("access_token", $access_token);  }  return $access_token; } /** curl 獲取 https 請(qǐng)求  * @param String $url 請(qǐng)求的url  * @param Array $data 要發(fā)送的數(shù)據(jù)  * @param Array $header 請(qǐng)求時(shí)發(fā)送的header  * @param int $timeout 超時(shí)時(shí)間，默認(rèn)30s  */  function curl_https($url, $data=array(), $header=array(), $timeout=30){   $ch = curl_init();   curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳過(guò)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~

<?phphtml' target='_blank'>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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