text: function formatTime(date) {
    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('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
  }
  function formatDate (strTime) {
      var date = new Date(strTime);
      return date.getFullYear()+"年"+(date.getMonth()+1)+"月"+date.getDate()+"日";
  }
  function formatNumber(n) {
      n = n.toString()
      return n[1] ? n : '0' + n
  }
  
  function accMul(a, b) {
      var c = 0,
          d = a.toString(),
          e = b.toString();
      try {
          c += d.split(".")[1].length;
      } catch (f) {}
      try {
          c += e.split(".")[1].length;
      } catch (f) {}
      return Number(d.replace(".", "")) * Number(e.replace(".", "")) / Math.pow(10, c); 
  } 
  //加法运算中级解决办法
  function accAdd(a, b) {   
      var c, d, e;
      try {
          c = a.toString().split(".")[1].length;
      } catch (f) {
          c = 0;
      }
      try {
          d = b.toString().split(".")[1].length;
      } catch (f) {
          d = 0;
      }
      return e = Math.pow(10, Math.max(c, d)), (a * e + b * e) / e; 
  } 
  //返回值：arg1减上arg2的精确结果   
  function accSub(a,b){      
     var c, d, e;
      try {
          c = a.toString().split(".")[1].length;
      } catch (f) {
          c = 0;
      }
      try {
          d = b.toString().split(".")[1].length;
      } catch (f) {
          d = 0;
      }
      return e = Math.pow(10, Math.max(c, d)), (a * e - b * e) / e;
  }
  //返回值：arg1除以arg2的精确结果
  function accDiv(a, b) {
      var c, d, e = 0,
          f = 0;
      try {
          e = a.toString().split(".")[1].length;
      } catch (g) {}
      try {
          f = b.toString().split(".")[1].length;
      } catch (g) {}
      return c = Number(a.toString().replace(".", "")), d = Number(b.toString().replace(".", "")), c / d * Math.pow(10, f - e);
  } 
  module.exports = {
    formatTime: formatTime,
    formatDate:formatDate,
    accMul: accMul,
    accAdd:accAdd,
    accDiv:accDiv,
    accSub:accSub
  }
  