<span style="font-size:24px;">
<view class="btn-area">
 <navigator url="../navigator/navigator?title=我是navi">跳转到新的页面post情求</navigator>
 <navigator url="../redirect/redirect?title=我是red" redirect>跳转到当前页面</navigator>
</view>
</span>
<view>
 <input style="border:2rpx solid red" placeholder="输入信息" bindinput="getInput" />
 <button style="border:2rpx solid yellow" bindtap="saveInput">存入</button>
</view>

//index.js
//获取应用实例
var app = getApp()
Page({
 data: {
  storage:''
 },
 onLoad: function () {
  var that = this

 //获取输入值
 getInput:function(e){
  this.setData({
   storage:e.detail.value
  })
 },
 //存储输入值
 saveInput:function(){
  wx.setStorageSync('storage', this.data.storage)
 }

})

<view>从存储中得到的数据:{{storage}}</view>

var app = getApp();
var that; 
Page( { 
 data: {  
  storage:''
 }, 
 onLoad: function(options) { 
  that = this; 
  //获取存储信息
  wx.getStorage({
   key: 'storage',
   success: function(res){
    // success
    that.setData({
     storage:res.data
    })
   }
  })
 }

})