PHP 微信分享页面(图文)

时间:2021-08-27 17:38:56

首先确保你的公众号配置没有问题,详细请看: PHP 微信公众号-创建菜单-配置

1、获取签名包

这里需要你的appid 和 开发者密码

//获取签名包
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$timestamp = time();
$nonceStr = $this->createNonceStr(); // 这里参数的顺序要按照 key 值 ASCII 码升序排序
$tmpArr = array(
'noncestr' => $nonceStr,
'timestamp' => $timestamp,
'jsapi_ticket' => $jsapiTicket,
'url' => $url
); ksort($tmpArr, SORT_STRING);
$string1 = http_build_query( $tmpArr );
$string1 = urldecode( $string1 );
$signature = sha1( $string1 ); $signPackage = array(
"appId" => $this->appid,
"nonceStr" => $nonceStr,
"timestamp" => $timestamp,
"url" => $url,
"signature" => $signature,
"rawString" => $string1
);
return $signPackage;
} //获取jsapi_ticket
private function getJsApiTicket() {
if (S('jsapi_ticket_'.$this->appid)) {
$ticket = S('jsapi_ticket_'.$this->appid);
} else {
$accessToken = $this->getToken($this->appid, $this->appsecret);
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
$res = $this->request_get($url);
$ticket = $res['ticket'];
if ($ticket) {
S('jsapi_ticket_'.$this->appid, $ticket, 7200);
}
}
return $ticket;
} /**
* @param $appid
* @param $appsecret
* @return mixed
* 获取token
*/
public function getToken($appid, $appsecret){
if (S($appid)) {
$access_token = S($appid);
} else {
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $appsecret;
$json = file_get_contents($url);
$result = json_decode($json);
$access_token = $result->access_token;
S($appid, $access_token, 7200);
}
return $access_token;
} /**
* 发送get请求
* @param string $url
* @return bool|mixed
*/
function request_get($url = ''){
if (empty($url)) {
return false;
}
$json = file_get_contents($url);
$result = json_decode($json,true);
return $result;
} public function createNonceStr($length = 16) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}

2、php控制器 配置图文消息内容,图片等。获取的签名包也要渲染到分享的页面

$invite = array(
  "Title"     => '标题',
  "Description" => '摘要内容',
  "PicUrl"    => '图片地址',
  "Url"     => '要分享的页面(就是点击图文进入的页面)'
);

3、页面

首先要引入官方JS:jweixin-1.0.0.js

!function(a,b){"function"==typeof define&&(define.amd||define.cmd)?define(function(){return b(a)}):b(a,!0)}(this,function(a,b){function c(b,c,d){a.WeixinJSBridge?WeixinJSBridge.invoke(b,e(c),function(a){g(b,a,d)}):j(b,d)}function d(b,c,d){a.WeixinJSBridge?WeixinJSBridge.on(b,function(a){d&&d.trigger&&d.trigger(a),g(b,a,c)}):d?j(b,d):j(b,c)}function e(a){return a=a||{},a.appId=z.appId,a.verifyAppId=z.appId,a.verifySignType="sha1",a.verifyTimestamp=z.timestamp+"",a.verifyNonceStr=z.nonceStr,a.verifySignature=z.signature,a}function f(a){return{timeStamp:a.timestamp+"",nonceStr:a.nonceStr,"package":a.package,paySign:a.paySign,signType:a.signType||"SHA1"}}function g(a,b,c){var d,e,f;switch(delete b.err_code,delete b.err_desc,delete b.err_detail,d=b.errMsg,d||(d=b.err_msg,delete b.err_msg,d=h(a,d),b.errMsg=d),c=c||{},c._complete&&(c._complete(b),delete 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o={config:"preVerifyJSAPI",onMenuShareTimeline:"menu:share:timeline",onMenuShareAppMessage:"menu:share:appmessage",onMenuShareQQ:"menu:share:qq",onMenuShareWeibo:"menu:share:weiboApp",onMenuShareQZone:"menu:share:QZone",previewImage:"imagePreview",getLocation:"geoLocation",openProductSpecificView:"openProductViewWithPid",addCard:"batchAddCard",openCard:"batchViewCard",chooseWXPay:"getBrandWCPayRequest"},p=function(){var b,a={};for(b in o)a[o[b]]=b;return a}(),q=a.document,r=q.title,s=navigator.userAgent.toLowerCase(),t=-1!=s.indexOf("micromessenger"),u=-1!=s.indexOf("android"),v=-1!=s.indexOf("iphone")||-1!=s.indexOf("ipad"),w=function(){var a=s.match(/micromessenger\/(\d+\.\d+\.\d+)/)||s.match(/micromessenger\/(\d+\.\d+)/);return 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a._complete=function(a){a=b(a)},a}())},openLocation:function(a){c("openLocation",{latitude:a.latitude,longitude:a.longitude,name:a.name||"",address:a.address||"",scale:a.scale||28,infoUrl:a.infoUrl||""},a)},getLocation:function(a){a=a||{},c(o.getLocation,{type:a.type||"wgs84"},function(){return a._complete=function(a){delete a.type},a}())},hideOptionMenu:function(a){c("hideOptionMenu",{},a)},showOptionMenu:function(a){c("showOptionMenu",{},a)},closeWindow:function(a){a=a||{},c("closeWindow",{immediate_close:a.immediateClose||0},a)},hideMenuItems:function(a){c("hideMenuItems",{menuList:a.menuList},a)},showMenuItems:function(a){c("showMenuItems",{menuList:a.menuList},a)},hideAllNonBaseMenuItem:function(a){c("hideAllNonBaseMenuItem",{},a)},showAllNonBaseMenuItem:function(a){c("showAllNonBaseMenuItem",{},a)},scanQRCode:function(a){a=a||{},c("scanQRCode",{needResult:a.needResult||0,scanType:a.scanType||["qrCode","barCode"]},function(){return a._complete=function(a){var b,c;v&&(b=a.resultStr,b&&(c=JSON.parse(b),a.resultStr=c&&c.scan_code&&c.scan_code.scan_result))},a}())},openProductSpecificView:function(a){c(o.openProductSpecificView,{pid:a.productId,view_type:a.viewType||0,ext_info:a.extInfo},a)},addCard:function(a){var e,f,g,h,b=a.cardList,d=[];for(e=0,f=b.length;f>e;++e)g=b[e],h={card_id:g.cardId,card_ext:g.cardExt},d.push(h);c(o.addCard,{card_list:d},function(){return a._complete=function(a){var c,d,e,b=a.card_list;if(b){for(b=JSON.parse(b),c=0,d=b.length;d>c;++c)e=b[c],e.cardId=e.card_id,e.cardExt=e.card_ext,e.isSuccess=e.is_succ?!0:!1,delete e.card_id,delete e.card_ext,delete e.is_succ;a.cardList=b,delete a.card_list}},a}())},chooseCard:function(a){c("chooseCard",{app_id:z.appId,location_id:a.shopId||"",sign_type:a.signType||"SHA1",card_id:a.cardId||"",card_type:a.cardType||"",card_sign:a.cardSign,time_stamp:a.timestamp+"",nonce_str:a.nonceStr},function(){return a._complete=function(a){a.cardList=a.choose_card_info,delete a.choose_card_info},a}())},openCard:function(a){var e,f,g,h,b=a.cardList,d=[];for(e=0,f=b.length;f>e;++e)g=b[e],h={card_id:g.cardId,code:g.code},d.push(h);c(o.openCard,{card_list:d},a)},chooseWXPay:function(a){c(o.chooseWXPay,f(a),a)}},b&&(a.wx=a.jWeixin=C),C});
    <script type="text/javascript">
wx.config({
debug: false, // 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: '{$signPackage['appId']}', // 必填,公众号的唯一标识
timestamp: '{$signPackage['timestamp']}', // 必填,生成签名的时间戳
nonceStr: '{$signPackage['nonceStr']}', // 必填,生成签名的随机串
signature: '{$signPackage['signature']}',// 必填,签名,见附录1
jsApiList: [
// 所有要调用的 API 都要加到这个列表中
'onMenuShareTimeline',
'onMenuShareAppMessage',
'hideMenuItems',
] // 必填,需要使用的JS接口列表,所有JS接口列表见附录2
}); wx.ready(function () {
wx.hideMenuItems({
menuList: ['menuItem:share:qq','menuItem:openWithSafari','menuItem:copyUrl']
});
        //这里就是后台渲染过来的内容,也可以在这里填写。
var shareData = {
title: '{$invite['Title']}',
desc: '{$invite['Description']}',
link: '{$invite['Url']}',
imgUrl: '{$invite['PicUrl']}',
success: function (res) {
// 用户确认分享后执行的回调函数
}
};
wx.onMenuShareAppMessage(shareData);
wx.onMenuShareTimeline(shareData);
});
</script>

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