vantUI时间选择器将选中值改为 yyyy-mm-dd 00:00:00 格式

vantUI时间选择器默认选中值为：

更改之后

代码如下

 data() {
    return {
      currentDate: new Date()
    };
  }，
methods:{
Change（）{
console.log(this.currentDate);
 var date = this.currentDate;
      var seperator1 = "-";
      var seperator2 = ":";
      var month = date.getMonth() + 1;
      var strDate = date.getDate();
      if (month >= 1 && month <= 9) {
        month = "0" + month;
      }
      if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
      }
      this.currentdate =
        date.getFullYear() +
        seperator1 +
        month +
        seperator1 +
        strDate +
        " " +
        "00" +
        seperator2 +
        "00" +
        seperator2 +
        "00";
}
 
}