tp5分享微信朋友圈

php文件

public function weixin(){
        $url = input('urll');//获取当前页面的url，接收请求参数
        $root['url'] = $url;
        //获取access_token，并缓存
        $file = RUNTIME_PATH.'/access_token';//缓存文件名access_token
        $appid='wx----------da7'; // 填写自己的appid
        $secret='53bd6-------------bde'; // 填写自己的appsecret
        $expires = 3600;//缓存时间1个小时
        if(file_exists($file)) {
        $time = filemtime($file);
        if(time() - $time > $expires) {
        $token = null;
        }else {
        $token = file_get_contents($file);
        }
        }else{
        fopen("$file", "w+");
        $token = null;
        }
        if (!$token || strlen($token) < 6) {
        $res = file_get_contents("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$secret."");
        $res = json_decode($res, true);
        $token = $res['access_token'];
        // write('access_token', $token, 3600);
        @file_put_contents($file, $token);
        }

        //获取jsapi_ticket，并缓存
        $file1 = RUNTIME_PATH.'/jsapi_ticket';
        if(file_exists($file1)) {
        $time = filemtime($file1);
        if(time() - $time > $expires) {
        $jsapi_ticket = null;
        }else {
        $jsapi_ticket = file_get_contents($file1);
        }
        }else{
        fopen("$file1", "w+");
        $jsapi_ticket = null;
        }
        if (!$jsapi_ticket || strlen($jsapi_ticket) < 6) {
        $ur = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=$token&type=jsapi";
        $res = file_get_contents($ur);
        $res = json_decode($res, true);
        $jsapi_ticket = $res['ticket'];
        @file_put_contents($file1, $jsapi_ticket);
        }

        $timestamp = time();//生成签名的时间戳
        $metas = range(0, 9);
        $metas = array_merge($metas, range('A', 'Z'));
        $metas = array_merge($metas, range('a', 'z'));
        $nonceStr = '';
        for ($i=0; $i < 16; $i++) {
        $nonceStr .= $metas[rand(0, count($metas)-1)];//生成签名的随机串
        }

        $string1="jsapi_ticket=".$jsapi_ticket."&noncestr=".$nonceStr."&timestamp=".$timestamp."&url=".$url."";
        $signature=sha1($string1);
        $root['appid'] = $appid;
        $root['nonceStr'] = $nonceStr;
        $root['timestamp'] = $timestamp;
        $root['signature'] = $signature;

        echo json_encode($root);
    }  

html模板文件

<script src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
<script>
window.onload=function(){
var ajaxurl =  '{:url("index/weixin")}';
var urll=location.href.split('#')[0];
$.ajax({
    url:ajaxurl,
    type:"post",
    data:{urll:urll},
    dataType:"json",
    success:function(s){
        wx.config({
            debug: false, //分享成功后可以关闭 false
            appId: s.appid, 
            timestamp: s.timestamp, 
            nonceStr: s.nonceStr, 
            signature: s.signature,
            jsApiList: ['onMenuShareTimeline','onMenuShareAppMessage'] 
        });
        wx.ready(function(){
            wx.onMenuShareTimeline({
                title: '{$info.goods_name}', // 分享标题
                link: s.url, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
                imgUrl: "http://www.xiwang0470.com/{$info.title_pic}", // 分享图标 使用绝对路径
                success: function () {

                }
            });
            wx.onMenuShareAppMessage({
                title: '{$info.goods_name}', 
                desc: '{$info.goods_name}', // 分享描述
                link: s.url, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
                imgUrl: "http://www.xiwang0470.com/{$info.title_pic}", // 分享图标 使用绝对路径
                type: '', // 分享类型,music、video或link，不填默认为link
                dataUrl: '', // 如果type是music或video，则要提供数据链接，默认为空
                success: function () {
                
                }
            });
        });
        
    },
    error:function(){
        console.log("通信失败");
    }
});
}
/* alert(location.href.split('#')[0]); */ //弹出的url必须与访问地址一致

</script>