面包旅行如何实现在微信里唤醒 App 的

wx.config({
    beta: true,
    appId: data.appid,
    timestamp: data.timestamp,
    nonceStr: data.nonceStr, 
    signature: data.signature,
    jsApiList: [
        'onMenuShareTimeline',
        ...
        'launch3rdApp',
        'openCard'
    ]
});

wx.ready(function() {
    wx.invoke("getInstallState", {
        packageName: "com.breadtrip",
        packageUrl: "breadtrip://"
    }, function(a) {}),

    wx.invoke("launch3rdApp", {
        appID: "wxe334a1e34a01d971",
        messageExt: encodeURI(a.iosUrl || a.url),
        extInfo: encodeURI(a.androidUrl || a.url)
    }, function(b) {
    });
});