微信小程序数据缓存

page1.js页面存储数据

onLoad: function (opt) {
var that = this;
console.log("onLoad");
console.log('deviceId=' + opt.deviceId);
console.log('name=' + opt.name);
that.setData({ deviceId: opt.deviceId });
//放在onLoad:
function ()方法里面,页面启动自动加载进来
wx.setStorage({
key: 'deviceId',
data: '11111',
success:function(res){
console.log('异步保存成功')
}
})
}

page2.js接收

//获取数据缓存,同样放在onload:function()里面方便进入页面第一次加载进来

onLoad: function (opt) {

wx.getStorage({
key: 'deviceId',
data: '11111',
success: function (res) {
console.log('获取数据缓存res.data',res.data)
var deviceId = res.data
console.log('deviceId', deviceId)
}
})
}