小程序——动态控制最小高度

<!-- index.wxml -->
<view class="container" style="min-height: {{minHeight}}rpx;">
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</view>

<!-- index.js -->
data: {
    minHeight:getApp().globalData.minHeight
  },

<!-- app.js -->
App({
  onLaunch: function () {
        let that = this;
        // 获取最小高度
        that.getMinHeight();
        
  },
    // 获取最小高度
    getMinHeight(){
        let that = this;
        wx.getSystemInfo({
            success: function(res) {
                let windowHeightRpx = (res.windowHeight * (750 / res.windowWidth)); //将高度乘以换算后的该设备的rpx与px的比例
                that.globalData.minHeight = windowHeightRpx - 158;
            }
        })
    },
  globalData: {
        hasLogin:false,
        minHeight:0
  }
})