console.log("2019-10-09 19:42:46")
      console.log(Date.parse("2019-10-09 19:42:46"))
      console.log(Date.parse("2019-10-09 19:42:46".replace(/-/g,'/')))

   const  time = "2018-05-03"
   time.replace(/\-/g, "/");
   console.log(time);         2019/05/03
   
   
  // 在小程序的工具文件util.js中进行封装
  function formatTime(date) {
      var time = date==null?"": Date.parse(date.replace(/-/g, '/'));
      var date = new Date(time);
      var year = date.getFullYear();
      var month = date.getMonth() + 1;
      var day = date.getDate();
      var hour = date.getHours();
      var minute = date.getMinutes();
      var second = date.getSeconds();
      return [year, month, day].map(formatNumber).join('/');
    }