Page({ data: { theme: 'light', sharedata: { theme: 'light', title: '自定义转发标题', desc: '自定义转发描述', path: 'packageAPI/pages/api/share/share' } }, onLoad() { this.setData({ theme: wx.getSystemInfoSync().theme || 'light' }) if (wx.onThemeChange) { wx.onThemeChange(({theme}) => { this.setData({theme}) }) } }, onShareAppMessage() { return this.data.shareData } })