效果展示

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1.公眾號設置

1.1公眾號需要經過認證，具有分享接口功能

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1.2填寫正確的域名(域名需要經過備案)

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1.3 保存好AppID、AppSecret、設置好ip白名單(非常重要)

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2.php代碼(需要有php環境下，放到域名目錄下)

2.1展示下目錄結構-wxDemo

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2.2index.html

wxDome

document.write("

/*填寫路徑是公眾號上的安全域名*/

var baseUrl = "http://xxxxx.cn/wxDemo/index.html";

var wxData = {

"imgUrl" : 'http://xxxxx.cn/wxDemo/wx300.jpg',

"link" : baseUrl,

"title" : 'wxDemo-標題',

"desc" : 'wxDemo-描述信息！'

};

wx.config({

debug: false,

appId: signPackage.appId,

timestamp: parseInt(signPackage.timestamp),

nonceStr: signPackage.nonceStr,

signature: signPackage.signature,

jsApiList: [

'onMenuShareAppMessage',

'onMenuShareTimeline',

'updateAppMessageShareData',

'updateTimelineShareData'

]

});

wx.ready(function () {

wx.onMenuShareAppMessage({

title: wxData.title,

desc: wxData.desc,

link: wxData.link,

imgUrl: wxData.imgUrl,

type: 'link',

dataUrl: '',

success: function () {

}

});

wx.onMenuShareTimeline({

title: wxData.title,

desc: wxData.desc,

link: wxData.link,

imgUrl: wxData.imgUrl,

type: 'link',

dataUrl: '',

success: function () {

}

});

wx.updateAppMessageShareData({

title: wxData.title,

desc: wxData.desc,

link: wxData.link,

imgUrl: wxData.imgUrl,

type: 'link',

dataUrl: '',

success: function () {

}

});

wx.updateTimelineShareData({

title: wxData.title,

desc: wxData.desc,

link: wxData.link,

imgUrl: wxData.imgUrl,

type: 'link',

dataUrl: '',

success: function () {

}

});

});

2.3 signPackage.php

// 實現微信分享功能

// 通過script標簽引入該文件，通過url參數傳遞原網頁的完整url

error_reporting(0);

$queryString = $_SERVER["QUERY_STRING"];// 獲取PHP后的網址參數，格式為：originUrl=...

$url = substr($queryString,10); // 截取原網頁的完整url

require_once "jssdk.php";

$jssdk = new JSSDK("xxxxxx", "xxxxxx", $url);// 改為自己公眾號的AppID、AppSecret

$signPackage = $jssdk->GetSignPackage();

echo "var signPackage=";

die(json_encode($signPackage));// 返回微信分享所需參數

?>

2.4 jssdk.php

class JSSDK {

private $appId;

private $appSecret;

private $url;

public function __construct($appId, $appSecret, $url) {

$this->appId = $appId;

$this->appSecret = $appSecret;

$this->url = $url;

}

public function getSignPackage() {

$jsapiTicket = $this->getJsApiTicket();

// 注意 URL 一定要動態獲取，不能 hardcode.

$url = $this->url;

$timestamp = time();

$nonceStr = $this->createNonceStr();

// 這里參數的順序要按照 key 值 ASCII 碼升序排序

$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";

$signature = sha1($string);

$signPackage = array(

"appId" => $this->appId,

"nonceStr" => $nonceStr,

"timestamp" => $timestamp,

"url" => $url,

"signature" => $signature,

"rawString" => $string

);

return $signPackage;

}

private function createNonceStr($length = 16) {

$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

$str = "";

for ($i = 0; $i < $length; $i++) {

$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);

}

return $str;

}

private function getJsApiTicket() {

// jsapi_ticket 應該全局存儲與更新，以下代碼以寫入到文件中做示例

$data = json_decode(file_get_contents("jsapi_ticket.php"));

if ($data->expire_time < time()) {

$accessToken = $this->getAccessToken();

// 如果是企業號用以下 URL 獲取 ticket

// $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";

$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";

$res = json_decode($this->httpGet($url));

$ticket = $res->ticket;

if ($ticket) {

$data->expire_time = time() + 7000;

$data->jsapi_ticket = $ticket;

$fp = fopen("jsapi_ticket.php", "w");

fwrite($fp, json_encode($data));

fclose($fp);

}

} else {

$ticket = $data->jsapi_ticket;

}

return $ticket;

}

private function getAccessToken() {

// access_token 應該全局存儲與更新，以下代碼以寫入到文件中做示例

$data = json_decode(file_get_contents("access_token.php"));

if ($data->expire_time < time()) {

// 如果是企業號用以下URL獲取access_token

// $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";

$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";

$res = json_decode($this->httpGet($url));

$access_token = $res->access_token;

if ($access_token) {

$data->expire_time = time() + 7000;

$data->access_token = $access_token;

$fp = fopen("access_token.php", "w");

fwrite($fp, json_encode($data));

fclose($fp);

}

} else {

$access_token = $data->access_token;

}

return $access_token;

}

private function httpGet($url) {

$curl = curl_init();

curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

curl_setopt($curl, CURLOPT_TIMEOUT, 500);

curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);

curl_setopt($curl, CURLOPT_URL, $url);

$res = curl_exec($curl);

curl_close($curl);

return $res;

}

}

2.5 jsapi_ticket.php

{"expire_time":1588134786,"jsapi_ticket":"kgt8ON7yVITDhtdwci0qeUFZYyjmx63aUn0jr944H7-QrUdILt6kff8cY3ujO0GNYP4dewtFw5od1LVZl2u9-g"}

2.6 access_token.php

獲取access_token expires_in值為7200表示成功

將獲取到的access_token寫到access_token.php里

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{"expire_time":1588134785,"access_token":"32_4MgWOCPonWbReM49JBL7VNN3RFLDFF6-7Vx04S3Pv3lIglbAvr9RNrDT14F5jKXbtNdPBee8C9QJuDql2oI5dqnn1JzTLt2a_3G3-u1DwzRmW47AHU22P1v73goT16-CKRxAOcc6wHtPwq1ZJGPaAJAOLU"}

3. 服務器

我的服務器是遠程服務器(window serve 2012 r2)

服務器一定要保證可以完全寫入文件(這就是我在那坑待了很久的原因)

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文件下載地址

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