前端:时间格式转换(ISO时间转时间戳)

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            time(ms){
            //2020-08-01T04:24:43.230Z
            // 把时间的中的T和Z 替换成空字符串
            let date = ms.replace('T',' ');
            let data = date.replace('Z','');
            // 声明一个变量赋值给:日期时间字符串,并返回 1970/1/1 午夜距离该日期时间的毫秒数
            let datime = Date.parse(data)
            let time = new Date();
            let msi = time.getTime();
             
            let cha = msi - datime;
            // 以下是获取时,分,秒,
            let months = cha / 1000 / 60 / 60 / 24 / 30
            let weeks = cha / 1000 / 60 / 60 / 24 / 7
            let days = cha / 1000 / 60 / 60 / 24
            let hours = cha / 1000 / 60 /60
            let minutes = cha / 1000 / 60
            // 一下是声明一个字符串,然后判断月,周,天,时,分
            let str = ''
            if(months >= 1){
                str = `${parseInt(months)} 月前`
            }else if(weeks >= 1){
                str = `${parseInt(weeks)} 周前`
            }else if(days >= 1){
                str = `${parseInt(days)} 天前`
            }else if(hours >= 1){
                str = `${parseInt(hours)} 小时前`
            }else if(minutes >= 1){
                str = `${parseInt(minutes)} 分钟前`
            }else{
                str = '刚刚'
            }
            //这里时返回str
            return str
            // console.log(datime)
        }