设置微信分享的标题 缩略图 连接 描述

<script>  
var imgUrl = 'img1.jpg';  
var lineLink = 'index1.php';  
var descContent = "index2.php";  
var shareTitle = '您要展现的文字内容';  
var appid = 'wxc123456789012345';  
  
function shareFriend() {  
    WeixinJSBridge.invoke('sendAppMessage',{  
                            "appid": appid,  
                            "img_url": imgUrl,  
                            "img_width": "640",  
                            "img_height": "640",  
                            "link": lineLink,  
                            "desc": descContent,  
                            "title": shareTitle  
                            }, function(res) {  
                            _report('send_msg', res.err_msg);  
                            })  
}  
function shareTimeline() {  
    WeixinJSBridge.invoke('shareTimeline',{  
                            "img_url": imgUrl,  
                            "img_width": "640",  
                            "img_height": "640",  
                            "link": lineLink,  
                            "desc": descContent,  
                            "title": shareTitle  
                            }, function(res) {  
                            _report('timeline', res.err_msg);  
                            });  
}  
function shareWeibo() {  
    WeixinJSBridge.invoke('shareWeibo',{  
                            "content": descContent,  
                            "url": lineLink,  
                            }, function(res) {  
                            _report('weibo', res.err_msg);  
                            });  
}  
// 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。  
document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {  
  
        // 发送给好友  
        WeixinJSBridge.on('menu:share:appmessage', function(argv){  
            shareFriend();  
            });  
  
        // 分享到朋友圈  
        WeixinJSBridge.on('menu:share:timeline', function(argv){  
            shareTimeline();  
            });  
  
        // 分享到微博  
        WeixinJSBridge.on('menu:share:weibo', function(argv){  
            shareWeibo();  
            });  
        }, false);  
</script>

在HTML头部加上以下内容：

<meta name="sharecontent" data-msg-img="缩略图地址" data-msg-title="标题" data-msg-content="简介" data-msg-callBack="" data-line-img="缩略图地址" data-line-title="标题" data-line-callBack=""/>