由於iOS不支持"-"格式的時間,如"2020-03-31",需要將"-"替換成"/",如"2020/3/31",安卓均支持,下圖是將時分秒去掉保留年月日
this.regDate = this.regDate.replace(/-/g, '/')
let year = new Date(this.regDate).getFullYear()
let month = new Date(this.regDate).getMonth() + 1
if (month <= 9) {
month = '0' + month
}
let date = new Date(this.regDate).getDate()
this.regDate = year + '-' + month + '-' + date