wx.setStorage、wx.getStorage和wx.getStorageSync

Page({
  data: {
    testnum:""//设置测试参数
  },
  test:function(){
    var Num = this.data.testnum;
    wx.setStorage({//存储到本地
      key:"testNum",
      data:Num
    })
  }
})
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Page({
  data: {
    testnum:""//设置测试参数
  },
onLoad:function(option){
    var that = this,
    wx.getStorage({//获取本地缓存
      key:"testNum",
      success:function(res){
        that.setData({
          testnum:res.data
        )};
      },
    })
  }
})
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Page({
  data: {
    testnum:""//设置测试参数
  },
  onLoad:function(option){
    var num = wx.getStorageSync('testNum');//wx.getStorageSync(key)，获取本地缓存
    this.setData({
      testnum: num
    })；
  }
})
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