自定义Navigation | 微信开放文档
本质就是设置一个变量isshare来判断是否是分享页面中进入的
页面js-data中设置
isshare: 0,//不是分享页面进入
onShareAppMessage: function () {return {title: 'xxx',path: 'pages/MyPages/detail?isshare=1&&id=' + this.data.id}},backHome: function () {wx.reLaunch({url: '/pages/home/index'})}
onload
if (options.isshare == 1) {console.log('是分享进入');this.setData({'isshare': options.isshare})}
wxml
<image wx:if="{{isshare}}" bindtap='backHome' class='d-back-home' src='http://cdn./icon-Return%20to%20the%20home%20page.png' lazy-load></image>
/* 回到首页icon,固定定位*/.d-back-home {position: fixed;width: 96rpx;height: 96rpx;right: 30rpx;bottom: 166rpx;z-index: 10000;}